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okra Abelmoschus esculentus 2
rosarypea Abrus precatorius 4
hairy Indian mallow Abutilon grandifolium 4
velvetleaf Abutilon theophrasti 12
earleaf acacia Acacia auriculiformis 4
cootamundra wattle Acacia baileyana 1
small Philippine acacia Acacia confusa 12
silver wattle Acacia dealbata 3
green wattle Acacia decurrens 1
sweet acacia Acacia farnesiana 4
black wattle Acacia mearnsii 12
black acacia Acacia melanoxylon 4
Egyptian Thorn Acacia nilotica 12
twisted acacia Acacia tortuosa 1
New Zealand Burr Acaena magellanica 2
slender copperleaf Acalypha gracilens 3
hophornbeam copperleaf Acalypha ostryifolia 6
Virginia copperleaf Acalypha virginica 1
timberman Acanthocinus aedilis 11
lesser pine borer Acanthocinus nodosus 1
roundheaded borer Acanthocinus obsoletus 4
ponderosa pine bark borer Acanthocinus princeps 1
pine false webworm Acantholyda erythrocephala 8
Paraguay starbur Acanthospermum australe 4
bristly starbur Acanthospermum hispidum 4
bear's breech Acanthus mollis 1
honey bee mite Acarapis woodi 8
hedge maple Acer campestre 8
vine maple Acer circinatum 4
Amur maple Acer ginnala 12
bigleaf maple Acer macrophyllum 8
Manitoba maple, boxelder Acer negundo 8
Japanese maple Acer palmatum 8
Norway maple Acer platanoides 20
Sycamore maple Acer pseudoplatanus 8
red maple Acer rubrum 16
sugar maple Acer saccharum 12
bindweed gall mite Aceria malherbae 1
croton caterpillar Achaea janata 4
giant Ghana tiger snail Achatina achatina 1
giant East African snail Achatina fulica 12
common yarrow Achillea millefolium 10
sneezewort yarrow Achillea ptarmica 1
punagrass Achnatherum brachychaetum 3
Japanese chaff flower Achyranthes japonica 12
bacterial fruit blotch Acidovorax citrulli 16
strawberry tortrix Acleris comariana 4
western blackheaded budworm Acleris gloverana 3
eastern blackheaded budworm Acleris variana 1
American sweetflag Acorus calamus 4
poplar carpenterworm Acossus centerensis 1
aspen carpenterworm Acossus populi 1
common myna Acridotheres tristis 4
walnut shoot moth Acrobasis demotella 3
pecan nut casebearer Acrobasis nuxvorella 1
cranberry fruitworm Acrobasis vaccinii 8
leek moth Acrolepiopsis assectella 8
green stink bug Acrosternum hilare 8
black cohosh Actaea racemosa var. racemosa 8
red baneberry Actaea rubra 4
eastern spruce gall adelgid Adelges abietis 5
Cooley spruce gall adelgid Adelges cooleyi 6
balsam woolly adelgid Adelges piceae 8
hemlock woolly adelgid Adelges tsugae 8
alfalfa plant bug Adelphocoris lineolatus 1
rough maidenhair fern Adiantum hispidulum 4
spring adonis Adonis vernalis 1
summer fruit tortrix moth Adoxophyes orana 12
Asian tiger mosquito Aedes albopictus 8
jointed goatgrass Aegilops cylindrica 10
barb goatgrass Aegilops triuncialis 4
ye gu Aeginetia indica 3
aeginetia Aeginetia spp. 2
tupelo borer Aegomorphus morrisii 3
goutweed Aegopodium podagraria 9
grain support beetle Aegosoma scabricorne 4
city longhorn beetle Aeolesthes sarta 4
Ohio buckeye Aesculus glabra 8
common horse chestnut Aesculus hippocastanum 12
small hive beetle Aethina tumida 8
African redhead agama Agama agama africana 4
sisal Agave sisalana 8
alder leaf beetle Agelastica alni alni 1
croftonweed Ageratina adenophora 8
white snakeroot Ageratina altissima 8
creeping croftonweed Ageratina riparia 6
tropic ageratum Ageratum conyzoides 2
defoliating hemlock moth Agonopterix alstroemeriana 8
spotworm borer Agrilus acutipennis 3
oak borer Agrilus angustulus 2
bronze birch borer Agrilus anxius 6
hickory spiral borer Agrilus arcuatus torquatus 2
oak splendour beetle Agrilus biguttatus 12
twolined chestnut borer Agrilus bilineatus 6
goldspotted oak borer Agrilus coxalis auroguttatus 8
hawthorn agrilus Agrilus crataegi 2
rose stem girdler Agrilus cuprescens 5
persimmon agrilus Agrilus fuscipennis 1
granulate poplar borer Agrilus granulatus granulatus 1
aspen root girdler Agrilus horni 4
St. Johnswort beetle Agrilus hyperici 7
bronze poplar borer Agrilus liragus 3
metalic wood-boring beetle Agrilus olivicolor 1
hickory agrilus Agrilus otiosus 4
emerald ash borer Agrilus planipennis 12
metalic wood-boring beetle Agrilus populneus 3
soapberry borer Agrilus prionurus 8
rednecked cane borer Agrilus ruficollis 2
metalic wood-boring beetles Agrilus spp. 3
beech splendor beetle Agrilus viridis 3
hawthorn root borer Agrilus vittaticollis 1
lined click beetle Agriotes lineatus 2
dusky wireworm beetle Agriotes obscurus 1
sweetpotato hornworm Agrius cingulata 4
crested wheatgrass Agropyron cristatum 6
desert wheatgrass Agropyron desertorum 1
Pacific bentgrass Agrostis avenacea 8
colonial bentgrass Agrostis capillaris 2
redtop Agrostis gigantea 1
creeping bentgrass Agrostis stolonifera 8
black cutworm Agrotis ipsilon 12
turnip moth Agrotis segetum 1
tree-of-heaven Ailanthus altissima 26
silver hairgrass Aira caryophyllea 11
carpet bugle Ajuga reptans 9
chocolate vine Akebia quinata 17
mimosa Albizia julibrissin 12
woman's tongue tree Albizia lebbeck 4
white rust Albugo occidentalis 11
white rust Albugo tragopogonis 5
hollyhock Alcea rosea 1
lady's-mantle Alchemilla mollis 3
chukar Alectoris chukar 3
alectra Alectra vogelii 2
orange spiny whitefly Aleurocanthus spiniferus 4
citrus blackfly Aleurocanthus woglumi 8
Alfalfa Mosaic Virus Alfamovirus AMV 8
camelthorn Alhagi maurorum 8
northern waterplantain Alisma plantago-aquatica 3
golden trumpet Allamanda cathartica 4
garlic mustard Alliaria petiolata 16
tapertip onion Allium acuminatum 3
wild onion Allium canadense 9
white garlic Allium neapolitanum 1
Allium neopolitanum 2
onions Allium spp. 8
textile onion Allium textile 2
three-cornered leek Allium triquetrum 1
three-cornered leek Allium triquetrum 2
wild garlic Allium vineale 10
bark beetle Alniphagus spp. 3
European black alder Alnus glutinosa 12
speckled alder Alnus incana ssp. rugosa 8
red alder Alnus rubra 4
meadow foxtail Alopecurus pratensis 3
Egyptian geese Alopochen aegyptiacus 4
blueback herring Alosa aestivalis 1
alewife Alosa pseudoharengus 4
red ginger Alpinia purpurata 8
fall cankerworm Alsophila pometaria 5
mat chaff-flower Alternanthera caracasana 4
alligatorweed Alternanthera philoxeroides 10
khakiweed Alternanthera pungens 2
sessile joyweed Alternanthera sessilis 3
brown spot Alternaria alternata 16
black spot Alternaria brassicicola 8
Alternaria leaf blight Alternaria cucumerina 14
Alternaria blight Alternaria dauci 1
purple blotch Alternaria porri 12
early blight Alternaria solani 12
Alternaria blight Alternaria tenuissima 6
Russian mallow Althaea armeniaca 4
yellow alyssum Alyssum alyssoides 1
tumble pigweed Amaranthus albus 10
prostrate pigweed Amaranthus blitoides 10
livid amaranth Amaranthus blitum 4
low amaranth Amaranthus deflexus 3
smooth pigweed Amaranthus hybridus 8
Palmer amaranth Amaranthus palmeri 12
Powell amaranth Amaranthus powellii 10
redroot pigweed Amaranthus retroflexus 12
common waterhemp Amaranthus rudis 4
spiny amaranth Amaranthus spinosus 10
tall waterhemp Amaranthus tuberculatus 9
slender amaranth Amaranthus viridis 5
red-lored parrot Amazona autumnalis 4
Mealy Parrot Amazona farinosa 2
lone star tick Amblyomma americanum 8
Madagascar tortoise tick Amblyomma chaubaudi 1
African tortoise tick Amblyomma marmoreum 1
annual bursage Ambrosia acanthicarpa 4
common ragweed Ambrosia artemisiifolia 11
annual ragweed Ambrosia artemisiifolia var. elatior 3
woollyleaf bursage Ambrosia grayi 1
western ragweed Ambrosia psilostachya 4
skeletonleaf bursage Ambrosia tomentosa 2
giant ragweed Ambrosia trifida 12
ambrosia beetle Ambrosiodmus funereus 1
ambrosia beetles Ambrosiodmus spp. 3
South American ground lizard Ameiva ameiva 1
serviceberry Amelanchier alnifolia 10
Allegheny serviceberry Amelanchier laevis 8
redstem Ammannia coccinea 7
greater ammi Ammi majus 4
toothpick ammi Ammi visnaga 4
European beachgrass Ammophila arenaria 12
leadplant Amorpha canescens 3
indigobush Amorpha fruticosa 10
peppervine Ampelopsis arborea 9
porcelain-berry Ampelopsis brevipedunculata 12
Midas cichlid Amphilophus citrinellus 1
European chafer Amphimallon majale 8
Douglas fiddleneck Amsinckia douglasiana 4
tarweed fiddleneck Amsinckia lycopsoides 1
common fiddleneck Amsinckia menziesii var. intermedia 8
western fiddleneck Amsinckia tessellata 3
Mormon cricket Anabrus simplex 1
pearly everlasting Anaphalis margaritacea 9
mallard Anas platyrhyncos 4
spot-billed duck Anas poecilorhyncha 1
squash bug Anasa tristis 12
South American fruit fly Anastrepha fraterculus 6
South American cucurbit fly Anastrepha grandis 4
Mexican fruit fly Anastrepha ludens 4
west indian fruit fly Anastrepha obliqua 1
sapote fruit fly Anastrepha serpentina 4
fruit flies Anastrepha spp. 1
guava fruit fly Anastrepha striata 5
Caribbean fruit fly Anastrepha suspensa 8
common bugloss Anchusa officinalis 7
big bluestem Andropogon gerardii 1
bushy bluestem Andropogon glomeratus 6
Elliott bluestem Andropogon gyrans 1
splitbeard bluestem Andropogon ternarius 2
broomsedge bluestem Andropogon virginicus 8
oak stem borer Aneflomorpha subpubescens 3
oak twig pruners Anelaphus spp. 1
southeastern gray twig pruner Anelaphus villosus 4
dill Anethum graveolens 4
seed-gall nematode Anguina funesta 2
wheat seed-gall nematode Anguina tritici 12
Eastern filbert blight Anisogramma anomala 11
Peigler's oakworm moth Anisota peigleri 2
orangestriped oakworm Anisota senatoria 8
spiny oakworm Anisota stigma 6
pinkstriped oakworm Anisota virginiensis 6
spurred anoda Anoda cristata 8
Hyacinth Macaw Anodorhynchus hyacinthinus 2
Hispaniolan green anole Anolis chlorocyanus 1
Largehead anole Anolis cybotes 2
bark anole Anolis distichus 4
Knight anole Anolis equestris equestris 3
Cuban knight anole Anolis equestris persparsus 4
Cuban Green Anole Anolis porcatus 2
brown anole Anolis sagrei 3
oriental beetle Anomala orientalis 3
longlegged ant Anoplolepis gracilipes 12
white-spotted longicorn beetle Anoplophora chinensis malasiaca 4
citrus longhorned beetle Anoplophora chinensis 11
Asian longhorned beetle Anoplophora glabripennis 12
madeiravine Anredera cordifolia 2
plantainleaf pussytoes Antennaria plantaginifolia 12
metalic wood-boring beetle Anthaxia hungarica 2
metalic wood-boring beetle Anthaxia manca 1
pasture splendour beetle Anthaxia salicis 1
metalic wood-boring beetles Anthaxia spp. 1
corn chamomile Anthemis arvensis 2
stinking chamomile Anthemis cotula 5
boll weevil Anthonomus grandis grandis 12
boll weevil Anthonomus grandis 12
apple blossom weevil Anthonomus pomorum 2
sweet vernalgrass Anthoxanthum odoratum 12
bur chervil Anthriscus caucalis 9
chervil Anthriscus cerefolium 4
wild chervil Anthriscus sylvestris 10
velvetbean caterpillar Anticarsia gemmatalis 8
coral vine Antigonon leptopus 8
pronghorn antelope Antilocapra americana 8
snapdragon Antirrhinum majus 3
spiny softshell turtle Apalone spinifera 2
black borer Apate monachus 4
silky windgrass Apera spica-venti 3
rice white tip nematode Aphelenchoides besseyi 7
strawberry crimp nematode Aphelenchoides fragariae 3
foliar nematode Aphelenchoides ritzemabosi 1
cowpea aphid Aphis craccivora 1
soybean aphid Aphis glycines 12
cotton aphid Aphis gossypii 12
oleander aphid Aphis nerii 12
Saratoga spittlebug Aphrophora saratogensis 2
brown-legged spurge flea beetle Aphthona lacertosa 1
black dot spurge flea beetle Aphthona nigriscutis 1
oak anthracnose Apiognomonia errabunda 3
anthracnose Apiognomonia quercina 2
sycamore anthracnose Apiognomonia veneta 12
black knot Apiosporina morbosa 12
Cape honey bee Apis mellifera capensis 8
honey bee Apis mellifera 12
Africanized honey bee Apis mellifera scutellata 8
spreading dogbane Apocynum androsaemifolium 9
hemp dogbane Apocynum cannabinum 12
black-veined white butterfly Aporia crataegi 7
baby sun rose Aptenia cordifolia 8
European columbine Aquilegia vulgaris 2
blue-and-yellow macaw Ara ararauna 2
red-and-green macaw Ara chloropterus 3
scarlet macaw Ara macao 4
military macaw Ara militaris 1
mouse-ear cress Arabidopsis thaliana 8
tower-mustard Arabis glabra 8
pine flat bug Aradus cinnamomeus 1
Japanese angelica tree Aralia elata 8
Grey-necked Wood Rail Aramides cajanea 2
brown-throated parakeet Aratinga pertinax 4
white bladderflower Araujia sericifera 4
Pacific madrone Arbutus menziesii 4
white fir dwarf mistletoe Arceuthobium abietinum f.sp. concoloris 2
American dwarf mistletoe Arceuthobium americanum 6
western dwarf mistletoe Arceuthobium campylopodum 4
limber pine dwarf mistletoe Arceuthobium cyanocarpum 6
pinyon dwarf mistletoe Arceuthobium divaricatum 4
Douglas-fir dwarf mistletoe Arceuthobium douglasii 5
larch dwarf mistletoe Arceuthobium laricis 6
eastern dwarf mistletoe Arceuthobium pusillum 4
hemlock dwarf mistletoe Arceuthobium tsugense 3
pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum 4
giant West African snail Archachatina marginata 1
fruittree leafroller Archips argyrospila 1
uglynest caterpillar Archips cerasivorana 3
brown oak Tortrix Archips crataegana 4
apple tortrix Archips fuscocupreanus 1
baldcypress leafroller Archips goyerana 6
larger boxelder leafroller Archips negundana 2
large fruit-tree tortrix Archips podana 6
variegated golden tortrix Archips xylosteanus 1
great burdock Arctium lappa 8
common burdock Arctium minus 8
bearberry Arctostaphylos uva-ursi 12
capeweed Arctotheca calendula 12
coral ardisia Ardisia crenata 12
shoebutton ardisia Ardisia elliptica 18
thymeleaf sandwort Arenaria serpyllifolia 1
birch sawfly Arge pectoralis 1
Mexican pricklypoppy Argemone mexicana 3
annual pricklepoppy Argemone polyanthemos 5
silverweed cinquefoil Argentina anserina 12
apple fruit moth Argyresthia conjugella 3
arborvitae leafminer Argyresthia thuiella 5
polyphagous leaf roller Argyrotaenia ljungiana 1
pine tube moth Argyrotaenia pinatubana 2
burnt pine longhorn beetle Arhopalus ferus 7
new house borer Arhopalus productus 1
long-horned beetle Arhopalus rusticus 12
wheel bug Arilus cristatus 12
Spanish slug Arion lusitanicus 2
European red slug Arion rufus 6
dusky slug Arion subfuscus 3
woollysheath threeawn Aristida lanosa 2
arrowfeather threeawn Aristida purpurascens 4
bark beetle Arixyleborus canaliculatus 2
bark beetles Arixyleborus spp. 3
pill bug Armadillidium vulgare 4
Armillaria root rot Armillaria gallica 9
Armillaria root rot Armillaria limonea 4
Armillaria root rot Armillaria mellea 12
Armillaria root rot Armillaria novae-zelandiae 4
Armillaria root rots Armillaria spp. 6
Armillaria root rot Armillaria tabescens 12
musk beetle Aromia moschata 12
oak timberworm Arrenodes minutus 3
tall oatgrass Arrhenatherum elatius 1
absinth wormwood Artemisia absinthium 6
annual wormwood Artemisia annua 2
biennial wormwood Artemisia biennis 3
common sagewort Artemisia campestris 6
California mugwort Artemisia douglasiana 3
tarragon Artemisia dracunculus 4
sand sagebrush Artemisia filifolia 3
prairie sagewort Artemisia frigida 7
Louisiana wormwood Artemisia ludoviciana 9
big sagebrush Artemisia tridentata 9
mugwort Artemisia vulgaris 12
small carpetgrass, joint-head grass Arthraxon hispidus 12
orange rust Arthuriomyces peckianus 1
leaf mold Articularia quercina 1
Italian arum Arum italicum 3
giant reed Arundo donax 8
bloodflower milkweed Asclepias curassavica 2
woollypod milkweed Asclepias eriocarpa 3
Mexican whorled milkweed Asclepias fascicularis 12
swamp milkweed Asclepias incarnata 11
balloon cottonbush Asclepias physocarpa 4
purple milkweed Asclepias purpurascens 2
showy milkweed Asclepias speciosa 5
western whorled milkweed Asclepias subverticillata 4
common milkweed Asclepias syriaca 8
butterfly milkweed Asclepias tuberosa 7
eastern whorled milkweed Asclepias verticillata 8
green milkweed Asclepias viridiflora 1
Ascochyta blight of cotton Ascochyta gossypii 6
Ascochyta blight of chickpea Ascochyta rabiei 12
sorghum rough leaf spot Ascochyta sorghi 1
black spruce borer Asemum striatum 7
pawpaw Asimina triloba 12
Sprenger's asparagus fern Asparagus aethiopicus 12
African asparagus fern Asparagus asparagoides 4
Sprenger's asparagus fern Asparagus densiflorus 1
asparagus Asparagus officinalis 9
black mold Aspergillus niger 8
catchweed Asperugo procumbens 4
onionweed Asphodelus fistulosus 12
oleander scale Aspidiotus nerii 1
giant whiptail Aspidoscelis motaguae 1
twogrooved milkvetch Astragalus bisulcatus 1
timber milkvetch Astragalus miser 11
oscar Astronotus ocellatus 1
Chinese violet Asystasia gangetica 8
long-horned beetle Ataxia hubbardi 1
fourwing saltbush Atriplex canescens 1
shadscale Atriplex confertifolia 1
garden orach Atriplex hortensis 3
triangle orach Atriplex prostrata 3
red orach Atriplex rosea 4
Australian saltbush Atriplex semibaccata 9
peregrine saltbush Atriplex suberecta 3
Atropellis canker Atropellis piniphila 5
forest bachac Atta cephalotes 4
leaf-cutting ant Atta sexdens 8
Texas leafcutting ant Atta texana 6
mango scale Aulacaspis tubercularis 1
cycad aulacaspis scale Aulacaspis yasumatsui 16
pumpkin beetle Aulacophora hilaris 4
foxglove aphid Aulacorthum solani 3
silver Y moth Autographa gamma 8
slender oat Avena barbata 5
wild oat Avena fatua 5
oat Avena sativa 6
sterile oat Avena sterilis 8
chital Axis axis 2
broadleaf carpetgrass Axonopus compressus 3
carpetgrass Axonopus fissifolius 4
Carolina mosquitofern Azolla caroliniana 10
Pacific mosquitofern Azolla filiculoides 4
feathered mosquito-fern Azolla pinnata 6
eastern baccharis Baccharis halimifolia 12
seepwillow Baccharis salicifolia 2
desertbroom Baccharis sarothroides 4
Monnier waterhyssop Bacopa monnieri 7
White Striped Fruit Fly Bactrocera albistrigata 8
Carambola fly Bactrocera carambolae 4
guava fruit fly Bactrocera correcta 8
melon fly Bactrocera cucurbitae 12
oriental fruit fly Bactrocera dorsalis 12
mango fly Bactrocera frauenfeldi 8
fruit fly Bactrocera kirki 4
Malaysian fruit fly Bactrocera latifrons 1
fruit fly Bactrocera musae 8
olive fruit fly Bactrocera oleae 8
fruit flies Bactrocera spp. 1
Queensland fruit fly Bactrocera tryoni 8
Breadfruit Fruit Fly Bactrocera umbrosa 4
peach fruit fly Bactrocera zonata 8
West African crowned crane Balearica pavonina 1
grey crowned crane Balearica regulorum 4
hedge bamboo Bambusa multiplex 8
bamboo Bambusa spp. 3
common bamboo Bambusa vulgaris 2
American yellow rocket Barbarea orthoceras 1
early wintercress Barbarea verna 4
yellow rocket Barbarea vulgaris 12
brown basilisk Basiliscus vittatus 4
fivehook bassia Bassia hyssopifolia 8
muscadine disease Beauveria spp. 1
Bean Golden Mosaic Virus Begomovirus BGMV 15
Tomato Yellow Leaf Curl Virus Begomovirus TYLCV 8
Chinese mysterysnail Bellamya chinensis 2
bellardia Bellardia trixago 4
English daisy Bellis perennis 5
pike killifish Belonesox belizanus 1
sting nematode Belonolaimus longicaudatus 1
silverleaf whitefly Bemisia argentifolii 12
sweetpotato whitefly Bemisia tabaci 1
Beet Necrotic Yellow Vein Virus Benyvirus BNYVV 12
mountain grape Berberis aquifolium 12
Japanese barberry Berberis thunbergii 16
common barberry Berberis vulgaris 12
Alabama supplejack Berchemia scandens 4
hoary alyssum Berteroa incana 5
river birch Betula nigra 12
European birch Betula pendula 8
bearded beggarticks Bidens aristosa 2
spanishneedles Bidens bipinnata 3
nodding beggarticks Bidens cernua 8
devils beggarticks Bidens frondosa 6
burmarigold Bidens laevis 4
hairy beggarticks Bidens pilosa 5
bur beggarticks Bidens tripartita 3
tall beggarticks Bidens vulgata 3
needle cast Bifusella linearis 1
needle cast Bifusella saccata 4
Squash Leaf Curl Virus Bigeminivirus SLCV 5
crossvine Bignonia capreolata 12
Southern corn leaf blight and stalk rot Bipolaris maydis 11
leaf spot of maize Bipolaris zeicola 2
Javanese bishopwood Bischofia javanica 8
Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata 3
faucet snail Bithynia tentaculata 1
wood rot Bjerkandera adusta 8
apple pith moth Blastodacna atra 2
oriental cockroach Blatta orientalis 8
Asian cockroach Blattella asahinai 2
German cockroach Blattella germanica 4
Browne's blechum Blechum pyramidatum 2
powdery mildew Blumeria graminis 12
Blumeriella leaf spot of cherry and plum Blumeriella jaapii 2
common boa Boa constrictor 3
Dumeril's boa Boa dumerili 4
plume poppy Bocconia frutescens 1
scarlet spiderling Boerhavia coccinea 8
brown tree snake Boiga irregularis 4
bumble bee Bombus impatiens 8
ruffed grouse Bonasa umbellus 2
common borage Borago officinalis 2
cane beardgrass Bothriochloa barbinodis 4
yellow bluestem Bothriochloa ischaemum 1
yellow bluestem Bothriochloa ischaemum var. songarica 8
pitted beardgrass Bothriochloa pertusa 4
star sea squirt Botryllus schlosseri 3
Botryosphaeria canker, white rot Botryosphaeria dothidea 12
Botryosphaeria canker Botryosphaeria rhodina 3
Botryosphaeria canker Botryosphaeria ribis 5
botrytis rot Botrytis allii 8
gray mold Botrytis cinerea 12
Botrytis leaf blight Botrytis squamosa 1
paperflower Bougainvillea glabra 8
hoary bowlesia Bowlesia incana 4
annual false-brome Brachypodium distachyon 3
perennial false-brome Brachypodium sylvaticum 1
watershield Brasenia schreberi 12
Indian mustard Brassica juncea 7
rapeseed Brassica napus 3
black mustard Brassica nigra 5
birdsrape mustard Brassica rapa 12
mustard Brassica spp. 12
African mustard Brassica tournefortii 12
downy mildew Bremia lactucae 8
red and black flat mite Brevipalpus phoenicis 2
snowbush Breynia disticha 4
big quakinggrass Briza maxima 8
little quakinggrass Briza minor 4
weedy brome Bromus alopecuros 3
Australian chess Bromus arenarius 4
field brome Bromus arvensis 4
rattlesnake brome Bromus briziformis 5
California brome Bromus carinatus 9
rescuegrass Bromus catharticus 8
ripgut brome Bromus diandrus 8
soft brome Bromus hordeaceus 8
smooth brome Bromus inermis 10
foxtail brome Bromus madritensis 4
mountain brome Bromus marginatus 4
red brome Bromus rubens 6
rye brome Bromus secalinus 4
poverty brome Bromus sterilis 9
cheatgrass Bromus tectorum 17
paper-mulberry Broussonetia papyrifera 16
redvine Brunnichia ovata 12
white bryony Bryonia alba 8
oak skeletonizer Bucculatrix ainsliella 4
Abyssinian ground hornbill Bucorvus abyssinicus 1
African ground hornbill Bucorvus leadbeateri 4
butterflybush Buddleja davidii 11
Lindley's butterflybush Buddleja lindleyana 1
smokebush Buddleja madagascariensis 8
butterflybush Buddleja spp. 4
corn gromwell Buglossoides arvensis 1
crested bunias Bunias erucago 1
Hill mustard Bunias orientalis 12
hare's ear Bupleurum rotundifolium 4
turpentine borer Buprestis apricans 1
golden buprestid Buprestis aurulenta 1
metalic wood-boring beetle Buprestis consularis 1
metalic wood-boring beetle Buprestis cupressi 1
Eastern metalic wood-boring Buprestis fasciata 1
lined Buprestis beetle Buprestis lineata 2
flat headed woodborer Buprestis novemmaculata 12
red-legged buprestis Buprestis rufipes 1
bacterial wilt Burkholderia caryophylli 3
sour skin of onion Burkholderia cepacia 1
slippery skin Burkholderia gladioli pv. alliicola 12
bacterial panicle blight Burkholderia glumae 8
pine wilt nematode Bursaphelenchus xylophilus 8
Great Black Hawk Buteogallus urubitinga 3
flowering-rush Butomus umbellatus 4
Oat Mosaic Virus Bymovirus OMV 1
Carolina fanwort Cabomba caroliniana 8
white cockatoo Cacatua alba 1
sulphur-crested cockatoo Cacatua galerita 4
Mediterranean carnation leafroller Cacoecimorpha pronubana 4
prickly pear moth Cactoblastis cactorum 12
bark beetles Cactopinus spp. 1
shoofly Caesalpinia decapetala 4
paradise poinciana Caesalpinia gilliesii 6
caiman Caiman spp. 4
Muscovy duck Cairina moschata 4
American searocket Cakile edentula 4
redmaids Calandrinia ciliata 4
field marigold Calendula arvensis 2
Caliciopsis canker Caliciopsis pinea 2
scarlet oak sawfly Caliroa quercuscoccineae 5
Japanese cedar longhorn beetle Callidiellum rufipenne 12
blackhorned pine borer Callidium antennatum hesperum 2
violet tanbark beetle Callidium violaceum 6
Bocourt swimming crab Callinectes bocourti 2
Bocourt swimming crab Callinectes bocourti 3
California quail Callipepla californica 8
purple poppymallow Callirhoe involucrata 1
horned oak gall Callirhytis cornigera 3
gouty oak gall Callirhytis quercuspunctata 1
basketplant Callisia fragrans 3
branch borer of coigue Callisphyris leptopus 1
bottlebrush Callistemon viminalis 2
waterstarwort Callitriche palustris 8
European waterstarwort Callitriche stagnalis 12
graham bean weevil Callosobruchus analis 4
azuki bean weevil Callosobruchus chinensis 8
heather Calluna vulgaris 8
incense-cedar Calocedrus decurrens 8
Alexandrian laurel Calophyllum inophyllum 12
Oriental Garden Lizard Calotes versicolor 1
roostertree Calotropis procera 2
bark boring beetle of dead and dying coigue Calydon submetallicum 8
sprawling horseweed Calyptocarpus vialis 2
Japanese bindweed Calystegia hederacea 12
hedge bindweed Calystegia sepium 10
smallseed falseflax Camelina microcarpa 4
horse chestnut leafminer Cameraria ohridella 8
clearwinged grasshopper Camnula pellucida 2
clustered bellflower Campanula glomerata 1
creeping bellflower Campanula rapunculoides 3
harebell Campanula rotundifolia 4
American bellflower Campanulastrum americanum 4
carpenter ants Camponotus spp. 6
trumpet creeper Campsis radicans 12
maunaloa Canavalia cathartica 1
citrus greening Candidatus Liberibacter asiaticus 12
apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO 4
palm lethal yellowing Candidatus Phytoplasma palmae PLY 4
coyote Canis latrans 8
dog (domestic) Canis lupus familiaris 12
Indian shot Canna indica 1
marijuana Cannabis sativa 6
Citrus Tatter Leaf Virus Capillovirus CTLV 3
peach capnodis Capnodis tenebrionis 1
pale corydalis Capnoides sempervirens 1
goat (domestic) Capra hircus (domestic type) 12
goat (feral) Capra hircus (feral type) 2
goat (feral) Capra hircus (feral type) 3
shepherd's-purse Capsella bursa-pastoris 8
oak leafroller Capua semiferana 1
Siberian peashrub Caragana arborescens 12
goldfish Carassius auratus 4
woodland bittercress Cardamine flexuosa 3
hairy bittercress Cardamine hirsuta 6
hairy bittercress Cardamine hirsuta 6
hairy bittercress Cardamine hirsuta 7
narrowleaf bittercress Cardamine impatiens 8
little western bittercress Cardamine oligosperma 2
Pennsylvania bittercress Cardamine pensylvanica 2
cuckoo bittercress Cardamine pratensis 4
hairy whitetop Cardaria pubescens 7
balloonvine Cardiospermum halicacabum 4
European goldfinch Carduelis carduelis 1
spiny plumeless thistle Carduus acanthoides 9
musk thistle Carduus nutans 19
Italian plumeless thistle Carduus pycnocephalus 12
slenderflower thistle Carduus tenuiflorus 4
wolftail sedge Carex cherokeensis 2
Frank sedge Carex frankii 1
waxy sedge Carex glaucescens 2
Japanese sedge Carex kobomugi 4
woolfruit sedge Carex lasiocarpa 4
Long's sedge Carex longii 4
Nebraska sedge Carex nebrascensis 2
hanging sedge Carex pendula 1
papaya Carica papaya 16
natal-plum Carissa macrocarpa 7
Potato Mop Top Virus Carlavirus PMTV 1
bark beetles Carphoborus spp. 1
sea fig Carpobrotus chilensis 4
hottentot fig Carpobrotus edulis 4
house finch Carpodacus mexicanus 4
peach fruit moth Carposina niponensis 1
woolly distaff thistle Carthamus lanatus 4
wild safflower Carthamus oxyacanthus 4
juniper scale Carulaspis juniperi 8
bermuda cedar scale Carulaspis minima 2
common caraway Carum carvi 8
pignut hickory Carya glabra 12
devil's gut Cassytha filiformis 4
field Indian paintbrush Castilleja arvensis 1
belah Casuarina cristata 1
Australian-pine Casuarina equisetifolia 20
gray sheoak Casuarina glauca 7
southern catalpa Catalpa bignonioides 12
Chinese catalpa Catalpa ovata 1
northern catalpa Catalpa speciosa 12
maple trumpet skeletonizer Catastega aceriella 3
Madagascar periwinkle Catharanthus roseus 11
Mediterranean clone of caulerpa Caulerpa taxifolia 8
Strawberry Vein Banding Virus Caulimovirus SVBV 1
maple petiole borer Caulocampus acericaulis 2
bushkiller Cayratia japonica 4
New Jersey tea Ceanothus americanus 4
prostrate ceanothus Ceanothus prostratus 1
snowbrush ceanothus Ceanothus velutinus 4
gouty pitch midge Cecidomyia piniinopis 4
trumpet-tree Cecropia obtusifolia 2
Deodar cedar Cedrus deodara 8
oriental bittersweet Celastrus orbiculatus 17
Cenangium limb canker Cenangium ferruginosum 8
Cenangium canker Cenangium singulare 1
southern sandbur Cenchrus echinatus 6
longspine sandbur Cenchrus longispinus 12
field sandbur Cenchrus spinifex 9
purple starthistle Centaurea calcitrapa 12
cornflower Centaurea cyanus 9
diffuse knapweed Centaurea diffusa 9
North African knapweed Centaurea diluta 2
brown knapweed Centaurea jacea 12
Malta starthistle Centaurea melitensis 8
meadow knapweed Centaurea moncktonii 12
black knapweed Centaurea nigra 8
alpine knapweed Centaurea nigrescens 4
yellow starthistle Centaurea solstitialis 13
knapweeds Centaurea spp. 8
spotted knapweed Centaurea stoebe 12
spotted knapweed Centaurea stoebe ssp. micranthos 11
sulphur knapweed Centaurea sulphurea 3
squarrose knapweed Centaurea virgata 12
European centaury Centaurium erythraea 1
Asiatic pennywort Centella asiatica 3
erect centella Centella erecta 5
erect centella Centella erecta 4
red valerian Centranthus ruber 6
common tarweed Centromadia pungens ssp. pungens 12
buttonbush Cephalanthus occidentalis 11
green alga Cephaleuros virescens 8
long-horned beetle Cerambyx carinatus 1
great capricorn beetle Cerambyx cerdo 7
capricorn beetle Cerambyx scopolii 3
field chickweed Cerastium arvense 6
common mouse-ear chickweed Cerastium fontanum 12
big chickweed Cerastium fontanum ssp. vulgare 9
sticky chickweed Cerastium glomeratum 2
boreal chickweed Cerastium tomentosum 1
Mediterranean fruit fly, Medfly Ceratitis capitata 8
sharp eyespot Ceratobasidium cereale 8
leaf spot Ceratobasidium stevensii 1
bur buttercup Ceratocephala testiculata 2
sapstreak disease of sugar maple Ceratocystis coerulescens 3
oak wilt Ceratocystis fagacearum 12
black rot Ceratocystis fimbriata 8
blue stain Ceratocystis tenella 1
coontail Ceratophyllum demersum 2
watersprite Ceratopteris thalictroides 12
tomato thrips Ceratothripoides brunneus 4
fishhook waterflea Cercopagis pengoi 1
Cercospora leaf spot Cercospora arachidicola 3
Cercospora leaf spot Cercospora beticola 7
white leaf spot Cercospora brassicicola 4
Cercospora leaf spot Cercospora capsici 3
carrot leaf blight Cercospora carotae 1
purple seed stain Cercospora kikuchii 8
frog-eye leafspot Cercospora nicotianae 3
juniper blight Cercospora sequoiae var. juniperi 1
frogeye leaf spot Cercospora sojina 1
Gray leaf spot Cercospora zeae-maydis 5
snail Cernuella cisalpina 8
snails Cernuella spp. 12
vineyard snail Cernuella virgata 3
soft scale Ceroplastes ceriferus 8
soft wax scale Ceroplastes destructor 1
Florida wax scale Ceroplastes floridensis 5
Japanese wax scale Ceroplastes japonicus 4
fig wax scale Ceroplastes rusci 2
wax scale Ceroplastes sinensis 5
wax scales Ceroplastes spp. 4
rust Cerotelium fici 12
bean leaf beetle Cerotoma trifurcata 1
canker rot Cerrena unicolor 9
red deer Cervus elaphus elaphus 3
elk Cervus elaphus 12
sambar deer Cervus unicolour 3
day jessamine Cestrum diurnum 1
night jessamine Cestrum nocturnum 11
corn flea beetle Chaetocnema pulicaria 3
redstriped butterflyfish Chaetodon lunula 1
bark beetles Chaetophloeus spp. 2
intensive dieback of ash Chalara fraxinea 12
flatheaded pine borer Chalcophora mariana 10
metalic wood-boring beetless Chalcophora spp. 2
large flat-headed pine heartwood borer Chalcophora virginiensis 2
partridgepea Chamaecrista fasciculata 8
sensitive partridgepea Chamaecrista nictitans 3
Port Orford cedar Chamaecyparis lawsoniana 12
Seifriz's chamaedorea Chamaedorea seifrizii 4
veiled chameleon Chamaeleo calyptratus 1
ridgeseed spurge Chamaesyce glyptosperma 3
garden spurge Chamaesyce hirta 7
prostrate spurge Chamaesyce humistrata 1
nodding spurge Chamaesyce nutans 2
ground spurge Chamaesyce prostrata 8
fireweed Chamerion angustifolium 11
northern snakehead Channa argus 4
bullseye snakehead Channa marulius 1
Indo Pacific swimming crab Charybdis hellerii 3
Indo Pacific swimming crab Charybdis hellerii 4
greater celandine Chelidonium majus 8
wood borer of coigue Cheloderus childreni 4
common snapping turtle Chelydra serpentina 8
lambsquarters Chenopodium album 8
Missouri lambsquarters Chenopodium album var. missouriense 3
perennial goosefoot Chenopodium bonus-henricus 4
Jerusalem-oak goosefoot Chenopodium botrys 1
blite goosefoot Chenopodium capitatum 2
figleaved goosefoot Chenopodium ficifolium 4
cutleaf goosefoot Chenopodium multifidum 2
nettleleaf goosefoot Chenopodium murale 12
giantseed goosefoot Chenopodium simplex 1
giantseed goosefoot Chenopodium simplex 1
red claw crayfish Cherax quadricarinatus 1
carpenter worm Chilecomadia valdiviana 2
Asiatic rice borer Chilo suppressalis 4
twicestabbed lady beetle Chilocorus stigma 4
pine needle scale Chionaspis pinifoliae 16
clown knifefish Chitala ornata 1
swollen fingergrass Chloris barbata 12
rhodesgrass Chloris gayana 4
Australian fingergrass Chloris truncata 3
feather fingergrass Chloris virgata 2
vervet monkey Chlorocebus aethiops 4
bamboo borer Chlorophorus annularis 12
pine cone cerambycid Chlorophorus strobilicola 2
false parasol or green-spored parasol Chlorophyllum molybdites 8
Choanephora fruit rot Choanephora cucurbitarum 12
rush skeletonweed Chondrilla juncea 10
silverleaf Chondrostereum purpureum 1
blue mustard Chorispora tenella 9
large aspen tortrix Choristoneura conflictana 4
western spruce budworm Choristoneura freemani 6
spruce budworm Choristoneura fumiferana 10
sugar pine tortrix Choristoneura lambertiana 6
jack pine budworm Choristoneura pinus pinus 3
bark beetles Chramesus spp. 3
panther grouper Chromileptes altivelis 1
cuckoo wasps Chrysis spp. 1
flatheaded appletree borer Chrysobothris femorata 3
Pacific flatheaded borer Chrysobothris mali 2
tomato looper Chrysodeixis chalcites 8
golden pheasant Chrysolophus pictus 1
cottonwood leaf beetle Chrysomela scripta 19
leaf beetles Chrysomela spp. 2
Florida red scale Chrysomphalus aonidum 12
spruce rust Chrysomyxa abietis 1
spruce broom rust Chrysomyxa arctostaphyli 3
Chrysomyxa rust of spruce Chrysomyxa ledi 2
large-spored spruce-laborador tea/needle rust Chrysomyxa ledicola 2
spruce needle rust Chrysomyxa weirii 1
satinleaf Chrysophyllum oliviforme 2
pilipiliula Chrysopogon aciculatus 4
deer fly Chrysops vittatus 8
cranberry girdler Chrysoteuchia topiaria 3
Douglas rabbitbrush Chrysothamnus viscidiflorus 6
ink spot leaf blight Ciborinia whetzelii 5
butterfly peacock bass Cichla ocellaris 1
black acara Cichlasoma bimaculatum 1
Mayan cichlid Cichlasoma urophthalma 1
chicory Cichorium intybus 8
white stork Ciconia ciconia 2
Wooly-necked Stork Ciconia episcopus 1
bulbous waterhemlock Cicuta bulbifera 2
western waterhemlock Cicuta douglasii 7
spotted waterhemlock Cicuta maculata 11
elm sawfly Cimbex americana 3
bed bug Cimex lectularius 12
cypress aphid Cinara cupressi 8
giant conifer aphids Cinara spp. 2
white pine aphid Cinara strobi 3
quinine Cinchona pubescens 3
camphortree Cinnamomum camphora 8
mysterysnails Cipangopaludina spp. 4
Canada thistle Cirsium arvense 17
field thistle Cirsium discolor 8
Indian thistle Cirsium edule 3
yellow thistle Cirsium horridulum 8
Japanese thistle Cirsium japonicum 4
western thistle Cirsium occidentale 2
yellowspine thistle Cirsium ochrocentrum 6
meadow thistle Cirsium scariosum 4
thistle Cirsium spp. 8
wavyleaf thistle Cirsium undulatum 5
Tracy's thistle Cirsium undulatum var. tracyi 1
bull thistle Cirsium vulgare 20
rock rose Cistus creticus 1
juniper berry Citharexylum caudatum 8
spiny fiddlewood Citharexylum spinosum 4
hickory horned devil Citheronia regalis 8
citronmelon Citrullus lanatus var. citroides 4
watermelon Citrullus lanatus var. lanatus 4
tangerine Citrus reticulata 7
lime Citrus x aurantiifolia 8
lemon Citrus x limon 12
orange Citrus x sinensis 12
pecan scab Cladosporium caryigenum 8
scab Cladosporium cucumerinum 8
Heterosporium leaf spot Cladosporium iridis 4
walking catfish Clarias batrachus 2
bacterial wilt Clavibacter michiganensis ssp. insidiosus 3
Goss' bacterial wilt Clavibacter michiganensis ssp. nebraskensis 3
ring rot of potato Clavibacter michiganensis ssp. sepedonicus 1
ergot Claviceps purpurea 4
broadleaf spring-beauty Claytonia caroliniana 2
miner's lettuce Claytonia perfoliata 4
Virginia springbeauty Claytonia virginica 12
western white clematis Clematis ligusticifolia 4
oriental virginsbower Clematis orientalis 3
sweet autumn virginsbower Clematis terniflora 8
devil's darning needles Clematis virginiana 4
evergreen clematis Clematis vitalba 12
spiderwisp Cleome gynandra 4
yellow spiderflower Cleome lutea 3
Rocky Mountain beeplant Cleome serrulata 12
Cyclamen Tortrix Clepsis spectrana 1
turk's turbin Clerodendrum indicum 2
soapbush Clidemia hirta 4
wild basil Clinopodium vulgare 1
bluebead-lily Clintonia borealis 8
poplar tentmaker Clostera inclusa 6
Citrus Tristeza Virus Closterovirus CTV 12
Grapevine Corky Bark-associated Virus Closterovirus GCBaV 2
Scottish asphodel Clusia rosea 8
rainbow Whiptail Cnemidophorus lemniscatus 1
bark beetles Cnemonyx spp. 2
bark beetles Cnesinus spp. 2
blessed thistle Cnicus benedictus 2
bullnettle Cnidoscolus stimulosus 9
Texas bullnettle Cnidoscolus texanus 12
Coconut cadang-cadang viroid Cocadviroid CCCVd 2
sevenspotted lady beetle Coccinella septempunctata 16
ivy gourd Coccinia grandis 8
bark beetles Coccotrypes spp. 4
redberry moonseed Cocculus carolinus 3
lecanium scales Coccus spp. 3
green scale Coccus viridis 7
pointed snail Cochlicella acuta 2
pointed snail Cochlicella spp. 1
Cochliobolus leaf spot / black kernel Cochliobolus lunatus 6
brown spot of rice Cochliobolus miyabeanus 8
cuckcoo bees Coelioxys spp. 8
Arabian coffee Coffea arabica 4
Job's tears Coix lacryma-jobi 4
pine colaspis Colaspis pini 3
larch casebearer Coleophora laricella 16
pine needle rust Coleosporium asterum 12
pine needle rusts Coleosporium spp. 6
needle rust Coleosporium tussilaginis 2
lodgepole needleminer Coleotechnites milleri 3
ponderosa pine needleminer Coleotechnites moreonella 1
anthracnose Colletotrichum acutatum 12
onion smudge Colletotrichum circinans 2
anthracnose Colletotrichum coccodes 2
anthracnose Colletotrichum dematium 3
anthracnose Colletotrichum fragariae 1
bitter rot and anthracnose Colletotrichum gloeosporioides 12
Anthracnose, pink boll rot or seedling blight of cotton Colletotrichum gossypii 1
anthracnose Colletotrichum graminicola 8
bean anthracnose Colletotrichum lindemuthianum 12
anthracnose Colletotrichum orbiculare 12
anthracnose Colletotrichum spp. 1
anthracnose Colletotrichum trifolii 1
anthracnose Colletotrichum truncatum 20
Collybia fungus Collybia fusipes 2
coco yam, wild taro Colocasia esculenta 20
pandora moth Coloradia pandora 6
Asian nakedwood Colubrina asiatica 12
rock dove Columba livia 4
Inca dove Columbina inca 1
bladder senna Colutea arborescens 12
Benghal dayflower Commelina benghalensis 19
Asiatic dayflower Commelina communis 11
spreading dayflower Commelina diffusa 2
Bean Pod Mottle Virus Comovirus BPMV 1
Squash Mosaic Virus Comovirus SqMV 8
sweetfern Comptonia peregrina 4
false armored scale Conchaspis cordiae 4
narrow-leaved iceplant Conicosia pugioniformis 2
wet rot Coniophora puteana 3
Coniothyrium fungus Coniothyrium concentricum 2
poison-hemlock Conium maculatum 15
blue mistflower Conoclinium coelestinum 10
American squawroot Conopholis americana 2
white pine cone beetle Conophthorus coniperda 3
lodgepole cone beetle Conophthorus ponderosae 5
Monterey pine cone beetle Conophthorus radiatae 1
red pine cone beetle Conophthorus resinosae 2
red pine cone beetle Conophthorus resinosae 3
cone beetles Conophthorus spp. 3
plum curculio Conotrachelus nenuphar 12
swede midge Contarinia nasturtii 12
Douglas-fir needle midge Contarinia pseudotsugae 4
lily of the valley Convallaria majalis 1
mallow bindweed Convolvulus althaeoides 2
field bindweed Convolvulus arvensis 15
Texas bindweed Convolvulus equitans 8
hairy fleabane Conyza bonariensis 9
horseweed Conyza canadensis 11
tall fleabane Conyza floribunda 4
leaf worm Copitarsia spp. 12
Tippler's bane Coprinus atramentarius 1
creeping mirrorplant Coprosma repens 4
canker-root Coptis trifolia 2
formosan subterranean termite Coptotermes formosanus 8
Asian Subterranean Termite Coptotermes gestroi 4
metalic wood-boring beetle Coraebus fasciatus 7
Wellenbindige oak splendour beetle Coraebus undatus 1
Asian clam Corbicula fluminea 1
Cordana fungus Cordana musae 2
Fungal disease of bees Cordyceps spp. 1
cabbage tree Cordyline australis 9
lanceleaf tickseed Coreopsis lanceolata 4
plains coreopsis Coreopsis tinctoria 2
whorled coreopsis Coreopsis verticillata 2
coriander Coriandrum sativum 8
European brown snail Cornu aspersum 8
bunchberry Cornus canadensis 4
flowering dogwood Cornus florida 12
Pacific dogwood Cornus nuttallii 4
lesser swinecress Coronopus didymus 5
greater swinecress Coronopus squamatus 4
purple pampasgrass Cortaderia jubata 12
Uruguayan pampas grass Cortaderia selloana 12
pampas grass Cortaderia spp. 1
Columbian timber beetle Corthylus columbianus 6
ambrosia beetles Corthylus spp. 3
white-naped raven Corvus albicollis 1
common raven Corvus corax 4
House Crow Corvus splendens 1
common filbert Corylus avellana 12
beaked hazelnut Corylus cornuta 4
Corynespora leaf spot Corynespora cassiicola 16
oak lace bug Corythucha arcuata 4
sycamore lace bug Corythucha ciliata 4
lace bugs Corythucha spp. 6
banana root borer Cosmopolites sordidus 8
sulphur cosmos Cosmos sulphureus 1
yellow velvet beetle Cosmosalia chrysocoma 1
pecan carpenterworm Cossula magnifica 5
canereed Costus speciosus 2
golden chamomile Cota tinctoria 2
green June beetle Cotinis nitida 8
milkflower cotoneaster Cotoneaster coriaceus 2
orange cotoneaster Cotoneaster franchetii 1
silverleaf cotoneaster Cotoneaster pannosus 12
cotoneaster Cotoneaster spp. 1
southern brassbuttons Cotula australis 1
brassbuttons Cotula coronopifolia 4
Mexican brassbuttons Cotula mexicana 1
freshwater jellyfish Craspedacusta sowerbyi 2
cockspur hawthorn Crataegus crus-galli 3
black hawthorn Crataegus douglasii 3
parsley hawthorn Crataegus marshallii 4
common hawthorn Crataegus monogyna 12
Washington hawthorn Crataegus phaenopyrum 4
pasture hawthorn Crataegus spathulata 1
smooth hawksbeard Crepis capillaris 4
bristly hawksbeard Crepis setosa 3
narrowleaf hawksbeard Crepis tectorum 9
alkaliweed Cressa truxillensis 12
Witches broom fungus Crinipellis perniciosa 3
Cucurbit Yellow Stunting Disorder Virus Crinivirus CYSDV 1
seven sisters swamplily Crinum americanum 3
asparagus beetle Crioceris asparagi 8
cabbage cluster caterpillar Crocidolomia pavonana 4
Neotropical soybean budborer Crocidosema aporema 3
montbretia Crocosmia x crocosmiiflora 6
oak leaftier Croesia semipurpurana 4
dusky birch sawfly Croesus latitarsus 4
stalactiform blister rust Cronartium coleosporioides 6
comandra blister rust Cronartium comandrae 6
fusiform rust Cronartium quercuum f.sp. fusiforme 16
gall rust of Virginia pine Cronartium quercuum f.sp. virginianae 1
eastern pine gall rust Cronartium quercuum 5
white pine blister rust Cronartium ribicola 12
southern cone rust Cronartium strobilinum 3
ambrosia beetle Crossotarsus minusculus 4
wedge-leaf rattlebox Crotalaria retusa 2
showy rattlebox Crotalaria spectabilis 10
rattlebox Crotalaria spp. 1
woolly croton Croton capitatus 3
tropic croton Croton glandulosus var. septentrionalis 4
Turkey mullein Croton setiger 4
smooth bedstraw Cruciata laevipes 8
common crupina Crupina vulgaris 8
bark beetle Cryphalus asperatus 5
bark beetle Cryphalus intermedius 2
small fir bark beetle Cryphalus piceae 10
bark beetles Cryphalus spp. 1
orange hobnail canker Cryphonectria gyrosa 6
chestnut blight or canker Cryphonectria parasitica 12
foxtail pricklegrass Crypsis alopecuroides 3
swamp pricklegrass Crypsis schoenoides 2
Cryptocline fungus Cryptocline betularum 4
beech scale Cryptococcus fagisuga 8
Japanese cedar Cryptomeria japonica 12
veiled polypore Cryptoporus volvatus 4
poplar-and-willow borer Cryptorhynchus lapathi 12
Cryptosphaeria canker Cryptosphaeria ligniota 8
Palay rubbervine Cryptostegia grandiflora 2
Madagascar rubbervine Cryptostegia madagascariensis 12
bryozoan Cryptosula pallasiana 2
west indian powderpost drywood termite Cryptotermes brevis 8
bark beetle Crypturgus pusillus 2
bark beetles Crypturgus spp. 3
Ctenarytaina spatulata Ctenarytaina spatulata 4
grass carp Ctenopharyngodon idella 3
Mexican Spiny-tailed Iguana Ctenosaura pectinata 3
black spiny-tailed iguana Ctenosaura similis 4
melon Cucumis melo 8
Cucumis melo var. dudaim 2
gooseberry gourd Cucumis myriocarpus 4
Cucumber Mosaic Virus Cucumovirus CMV 8
Peanut Stunt Virus Cucumovirus PSV 15
buffalo gourd Cucurbita foetidissima 3
Texas gourd Cucurbita pepo var. texana 8
Chinese fir Cunninghamia lanceolata 8
carrotwood Cupaniopsis anacardioides 12
tarweed cuphea Cuphea carthagenensis 2
Monterey cypress Cupressus macrocarpa 8
pecan weevil Curculio caryae 20
European chestnut weevil Curculio elephas 2
nut weevil Curculio nucum 3
acorn and nut weevils Curculio spp. 4
bacterial wilt Curtobacterium flaccumfaciens pv. flaccumfaciens 1
Curvularia fungus Curvularia trifolii 2
smallseed alfalfa dodder Cuscuta approximata 2
Australian dodder Cuscuta australis 2
flax dodder Cuscuta epilinum 2
clover dodder Cuscuta epithymum 2
swamp dodder Cuscuta gronovii 3
largeseed dodder Cuscuta indecora 4
Japanese dodder Cuscuta japonica 12
field dodder Cuscuta pentagona 10
fiveangled dodder Cuscuta pentagona var. pentagona 2
beaked dodder Cuscuta rostrata 1
Sandwich dodder Cuscuta sandwichiana 8
dodder Cuscuta spp. 8
green jay Cyanocorax yncas 1
burrowing parrot Cyanoliseus patagonus 2
Cyathus fungus Cyathus stercoreus 1
giant sumpweed Cyclachaena xanthifolia 6
Cyclaneusma needle cast Cyclaneusma minus 8
wild celery Cyclospermum leptophyllum 4
hickory shuckworm Cydia caryana 1
Tortricid moth Cydia fabivora 4
ponderosa pine seed moth Cydia piperana 1
codling moth Cydia pomonella 12
nut fruit tortix Cydia splendana 4
seed worms Cydia spp. 4
black swan Cygnus atratus 4
trumpeter swan Cygnus buccinator 4
Whooper Swan Cygnus cygnus 2
mute swan Cygnus olor 4
sweetpotato weevil Cylas formicarius 8
Boxwood blight Cylindrocladium buxicola 4
Cylindrocladium black rot Cylindrocladium parasiticum 3
Cylindrocladium blight and root rot Cylindrocladium scoparium 4
pine reproduction weevil Cylindrocopturus eatoni 2
Douglas-fir twig weevil Cylindrocopturus furnissi 1
toxic cyanobacteria Cylindrospermopsis raciborskii 1
Kenilworth ivy Cymbalaria muralis 2
barbwire grass Cymbopogon refractus 4
honeyvine swallowwort Cynanchum laeve 11
Black dog-strangling vine, black swallowwort Cynanchum louiseae 12
dog-strangling vine, European swallowwort Cynanchum rossicum 13
swallowwort Cynanchum spp. 4
cardoon Cynara cardunculus 8
bermudagrass Cynodon dactylon 10
Bermudagrass Cynodon spp. 1
houndstongue Cynoglossum officinale 9
black-tailed prairie dog Cynomys ludovicianus 8
crested dogtailgrass Cynosurus cristatus 1
hedgehog dogtailgrass Cynosurus echinatus 5
tapertip flatsedge Cyperus acuminatus 2
aggregate sedge Cyperus aggregatus 1
foxtail flatsedge Cyperus alopecuroides 2
navua sedge Cyperus aromaticus 3
annual sedge Cyperus compressus 2
globe sedge Cyperus croceus 2
coastal plain flatsedge Cyperus cuspidatus 2
smallflower umbrella sedge Cyperus difformis 8
globe flatsedge Cyperus echinatus 4
deeprooted sedge Cyperus entrerianus 8
tall flatsedge Cyperus eragrostis 8
redroot flatsedge Cyperus erythrorhizos 12
yellow nutsedge Cyperus esculentus 12
whiteedge flatsedge Cyperus flavicomus 2
brown flatsedge Cyperus fuscus 8
haspan flatsedge Cyperus haspan 8
umbrella plant Cyperus involucratus 4
rice flatsedge Cyperus iria 2
lance sedge Cyperus lanceolatus 2
flatsedge Cyperus odoratus 2
sharpscale flatsedge Cyperus oxylepis 1
pilose sedge Cyperus pilosus 4
miniature flatsedge Cyperus prolifer 3
knob sedge Cyperus pseudovegetus 1
cylindric sedge Cyperus retrorsus 3
purple nutsedge Cyperus rotundus 8
bloodscale sedge Cyperus sanguinolentus 8
bearded flatsedge Cyperus squarrosus 1
false nutsedge Cyperus strigosus 2
Surinam sedge Cyperus surinamensis 2
green sedge Cyperus virens 4
common carp Cyprinus carpio 1
Asiatic oak weevil Cyrtepistomus castaneus 8
bark beetle Cyrtogenius brevior 2
Scotch broom Cytisus scoparius 15
striated broom Cytisus striatus 2
Strawberry Crinkle Virus Cytorhabdovirus SCrV 2
Cytospora canker of fir Cytospora abietis 1
orchardgrass Dactylis glomerata 6
crowfootgrass Dactyloctenium aegyptium 9
Solomons Fruit Fly Dacus solomonensis 4
thin-walled maze polypore Daedaleopsis confragosa 14
grape phylloxera Daktulosphaira vitifoliae 4
carbon balls Daldinia concentrica 7
poverty oatgrass Danthonia spicata 4
spurgelaurel Daphne laureola 4
February daphne Daphne mezereum 12
water flea Daphnia lumholtzi 1
spruce gall midge Dasineura piceae 1
spruce bud midge Dasineura swainei 2
shrubby cinquefoil Dasiphora fruticosa ssp. floribunda 8
pine tussock moth Dasychira pinicola 2
nine-banded armadillo Dasypus novemcinctus 8
walnut caterpillar Datana integerrima 12
yellownecked caterpillar Datana ministra 5
Chinese thorn-apple Datura quercifolia 4
jimsonweed Datura stramonium 14
sacred thorn-apple Datura wrightii 4
Queen Anne's lace, wild carrot Daucus carota 10
wild carrot Daucus carota ssp. carota 8
southwestern carrot Daucus pusillus 2
iris leaf spot Davidiella macrospora 10
Medusa needle blight Davisomycella medusa 9
swamp loosestrife Decodon verticillatus 12
soybean stem borer Dectes texanus 1
Kellogg's tarweed Deinandra kelloggii 4
cape ivy Delairea odorata 12
tall larkspur Delphinium barbeyi 4
Carolina larkspur Delphinium carolinianum 4
low larkspur Delphinium nuttallianum 4
dwarf larkspur Delphinium tricorne 3
duncecap larkspur Delphinium x occidentale 4
roundheaded pine beetle Dendroctonus adjunctus 3
western pine beetle Dendroctonus brevicomis 12
southern pine beetle Dendroctonus frontalis 12
Jeffery pine beetle Dendroctonus jeffreyi 3
great spruce bark beetle Dendroctonus micans 12
mountain pine beetle Dendroctonus ponderosae 12
Douglas-fir beetle Dendroctonus pseudotsugae 5
spruce beetle Dendroctonus rufipennis 6
bark and ambrosia beetles Dendroctonus spp. 2
black turpentine beetle Dendroctonus terebrans 12
red turpentine beetle Dendroctonus valens 12
white-faced whistling-duck Dendrocygna viduata 4
Pine-tree lappet Dendrolimus pini 15
Masson pine caterpillar Dendrolimus punctatus 7
Siberian moth Dendrolimus sibiricus 12
Dendrophoma leaf blight Dendrophoma zeae 1
bark beetles Dendrosinus spp. 2
hay-scented fern Dennstaedtia punctilobula 1
Japanese false spleenwort Deparia petersenii 1
American dog tick Dermacentor variabilis 4
torsalo Dermatobia hominis 8
larder beetle Dermestes lardarius 8
longneck fieldslug Deroceras panormitanum 4
slug Deroceras spp. 1
long-horned beetle Deroplia genei 2
mountain tansymustard Descurainia incana 12
mountain tansymustard Descurainia incana ssp. incisa 3
pinnate tansymustard Descurainia pinnata 1
flixweed Descurainia sophia 10
Illinois bundleflower Desmanthus illinoensis 1
elder borer Desmocerus palliatus 1
creeping beggarweed Desmodium incanum 6
sessile tickclover Desmodium sessilifolium 2
Florida beggarweed Desmodium tortuosum 4
fuzzy pride-of-Rochester Deutzia scabra 2
northern corn rootworm Diabrotica barberi 1
spotted cucumber beetle Diabrotica undecimpunctata howardi 12
western spotted cucumber beetle Diabrotica undecimpunctata undecimpunctata 4
western spotted cucumber beetle Diabrotica undecimpunctatum undecimpunctatum 1
corn rootworm Diabrotica virgifera 1
western corn rootworm Diabrotica virgifera virgifera 12
Deptford pink Dianthus armeria 9
pumpkin catepillar Diaphania indica 4
walkingstick Diapheromera femorata 4
Asian citrus psyllid Diaphorina citri 8
melanose Diaporthe citri 14
pod and stem rot Diaporthe phaseolorum 1
pod and stem blight Diaporthe phaseolorum var. sojae 1
Diaprepes root weevil Diaprepes abbreviatus 6
San Jose scale Diaspidiotus perniciosus 12
deertongue Dichanthelium clandestinum 4
bluedicks Dichelostemma capitatum 2
Yellow peach moth Dichocrocis punctiferalis 4
palmerworm Dichomeris ligulella 1
juniper webworm Dichomeris marginella 2
western red rot Dichomitus squalens 1
Carolina dichondra Dichondra carolinensis 1
Asian ponysfoot Dichondra micrantha 1
aroma Dichrostachys cinerea 2
bacteria wilt and soft rot Dickeya chrysanthemi 12
gummy stem blight (vine decline) Didymella bryoniae 12
rock snot Didymosphenia geminata 3
bush honeysuckle Diervilla lonicera 1
seed bug Dieuches armatipes 1
foxglove Digitalis purpurea 10
African couchgrass Digitaria abyssinica 2
southern crabgrass Digitaria ciliaris 9
sourgrass Digitaria insularis 12
smooth crabgrass Digitaria ischaemum 5
large crabgrass Digitaria sanguinalis 9
East Indian crabgrass Digitaria setigera 3
velvet fingergrass Digitaria velutina 4
glandular Cape marigold Dimorphotheca sinuata 2
ambrosia beetle Dinoplatypus pallidus 7
poorjoe Diodia teres 3
Virginia buttonweed Diodia virginiana 9
Mediterranean tamarisk beetle Diorhabda elongata 1
southern pine coneworm Dioryctria amatella 6
ponderosa twig moth Dioryctria ponderosae 2
red pine shoot moth Dioryctria resinosella 3
cone worms Dioryctria spp. 6
Zimmerman pine moth Dioryctria zimmermani 3
winged yam Dioscorea alata 12
air-potato Dioscorea bulbifera 8
Chinese yam Dioscorea polystachya 12
common persimmon Diospyros virginiana 8
Entomosporium leaf spot Diplocarpon mespili 8
black spot Diplocarpon rosae 8
corky bark disease Diplodia tumefaciens 3
wall rocket Diplotaxis tenuifolia 1
conifer sawfly Diprion pini 8
introduced pine sawfly Diprion similis 12
common teasel Dipsacus fullonum 12
Fuller's teasel Dipsacus fullonum ssp. sylvestris 1
cutleaf teasel Dipsacus laciniatus 8
Fuller's teasel Dipsacus sativus 4
teasel Dipsacus spp. 8
dogwood anthracnose Discula destructiva 8
saltgrass Distichlis spicata 9
stinkwort Dittrichia graveolens 4
potato rot nematode Ditylenchus destructor 1
stem and bulb nematode Ditylenchus dipsaci 12
Russian wheat aphid Diuraphis noxia 12
bark beetles Dolurgus spp. 1
Dothichiza canker Dothichiza populea 1
Dothiora fungus Dothiora polyspora 4
wood whitlowgrass Draba nemorosa 4
spring whitlowgrass Draba verna 1
clasping coneflower Dracopis amplexicaulis 2
grass sharpshooter Draeculacephala minerva 1
Pyrenophora leaf blight Drechslera dictyoides 1
quagga mussel Dreissena bugensis 7
zebra mussel Dreissena polymorpha 8
alfombrilla Drymaria arenarioides 4
purple sea mane Drymonema dalmatina 4
greenstriped mapleworm Dryocampa rubicunda 6
bark beetle Dryocoetes autographus 4
western balsam bark beetle Dryocoetes confusus 6
bark beetles Dryocoetes spp. 3
Asian chestnut gall wasp Dryocosmus kuriphilus 12
bark beetle Dryoxylon onoharaensis 4
bark beetles Dryoxylon spp. 3
Indian mock-strawberry Duchesnea indica 2
black pineleaf scale Dynaspidiotus californica 4
pineapple mealybug Dysmicoccus brevipes 8
mexicantea Dysphania ambrosioides 4
clammy goosefoot Dysphania pumilio 1
imperial moth Eacles imperialis 8
ambrosia beetle Eccoptopterus gracilipes 1
ambrosia beetle Eccoptopterus spinosus 1
pale echinacea Echinacea pallida 4
purple coneflower Echinacea purpurea 12
junglerice Echinochloa colona 4
barnyardgrass Echinochloa crus-galli 11
gulf cockspur Echinochloa crus-pavonis 4
rough barnyardgrass Echinochloa muricata 3
rough barnyardgrass Echinochloa muricata var. microstachya 4
late barnyard grass Echinochloa oryzicola 3
early watergrass Echinochloa oryzoides 8
wild cucumber Echinocystis lobata 12
indian paint fungus Echinodontium tinctorium 5
creeping burhead Echinodorus cordifolius 8
great globethistle Echinops sphaerocephalus 4
pride of Madeira Echium candicans 7
pine echium Echium pininana 3
salvation jane Echium plantagineum 4
common viper's bugloss Echium vulgare 6
eclipta Eclipta prostrata 4
saddlebacked looper Ectropis crepuscularia 1
Brazilian waterweed Egeria densa 10
perennial veldtgrass Ehrharta calycina 4
panic veldtgrass Ehrharta erecta 4
longflowered veldtgrass Ehrharta longiflora 1
anchored waterhyacinth Eichhornia azurea 8
common water hyacinth Eichhornia crassipes 12
Russian olive Elaeagnus angustifolia 21
thorny olive Elaeagnus pungens 12
autumn olive Elaeagnus umbellata 17
lesser cornstalk borer Elasmopalpus lignosellus 20
spruce aphid Elatobium abietinum 4
slender spikerush Eleocharis baldwinii 4
squarestem spikerush Eleocharis quadrangulata 2
purple elephant's-foot Elephantopus nudatus 1
goosegrass Eleusine indica 14
threespike goosegrass Eleusine tristachya 3
coqui Eleutherodactylus coqui 2
common elodea Elodea canadensis 11
western elodea Elodea nuttallii 4
crested latesummer mint Elsholtzia ciliata 8
grape anthracnose Elsinoe ampelina 14
sweet orange scab Elsinoe australis 8
sour orange scab Elsinoe fawcettii 12
anthracnose Elsinoe veneta 1
Canada wildrye Elymus canadensis 1
squirreltail Elymus elymoides 2
quackgrass Elymus repens 15
Elytroderma needle cast of pine Elytroderma deformans 4
rose rosette disease Emaravirus RRD 7
three-cornered jack Emex australis 1
spiny emex Emex spinosa 1
Cupid's-shaving-brush Emilia fosbergii 10
potato leafhopper Empoasca fabae 4
red oak borer Enaphalodes rufulus 19
cherry bark tortix Enarmonia formosana 4
sooty-bark canker Encoelia pruinosa 2
western gall rust Endocronartium harknessii 5
Endothia fungus Endothia singularis 4
elm spanworm Ennomos subsignaria 6
redbellied clerid Enoclerus sphegeus 1
Enterobacter bulb decay Enterobacter cloacae 7
bacterial wetwood Enterobacter nimipressuralis 3
Hypoxylon canker of aspen Entoleuca mammata 4
entomophagus fungi Entomophthora spp. 1
leaf smut of rice Entyloma oryzae 4
chocolate-band snail Eobania vermiculata 8
Galah Eolophus roseicapilla 4
silverspotted skipper Epargyreus clarus 12
black-necked stork Ephippiorhynchus asiaticus 4
South African carnation tortrix Epichoristodes acerbella 2
Colombian Rainbow Boa Epicrates cenchria maurus 3
Mexican bean beetle Epilachna varivestis 8
panicle willowherb Epilobium brachycarpum 4
hairy willowherb Epilobium hirsutum 8
birch leafroller Epinotia solandriana 3
helleborine Epipactis helleborine 1
light brown apple moth Epiphyas postvittana 8
centipede tongavine Epipremnum pinnatum 1
field horsetail Equisetum arvense 12
scouringrush Equisetum hyemale 3
smooth horsetail Equisetum laevigatum 5
Mediterranean lovegrass Eragrostis barrelieri 3
stinkgrass Eragrostis cilianensis 10
weeping lovegrass Eragrostis curvula 12
bigtop lovegrass Eragrostis hirsuta 2
Lehmann lovegrass Eragrostis lehmanniana 4
Mexican lovegrass Eragrostis mexicana 4
little lovegrass Eragrostis minor 10
tufted lovegrass Eragrostis pectinacea 4
India lovegrass Eragrostis pilosa 4
purple lovegrass Eragrostis spectabilis 2
mottled umber moth Erannis defoliaria 8
Jacobson's spanworm Erannis jacobsoni 2
linden looper Erannis tiliaria 2
cutleaf burnweed Erechtites glomeratus 4
American burnweed Erechtites hieraciifolius 8
Australian burnweed Erechtites minimus 3
tropical burnweed Erechtites valerianifolius 1
long-horned beetle Ergates faber 2
ponderous borer Ergates spiculatus 1
Scots heath Erica cinerea 1
Spanish heath Erica lusitanica 8
rubber rabbitbrush Ericameria nauseosa 12
Parry rabbitbrush Ericameria parryi 12
annual fleabane Erigeron annuus 9
poor-robin fleabane Erigeron pulchellus 1
Oregon fleabane Erigeron speciosus 4
rough fleabane Erigeron strigosus 4
loquat Eriobotrya japonica 8
Chinese mitten crab Eriocheir sinensis 1
southwestern cupgrass Eriochloa acuminata 4
prairie cupgrass Eriochloa contracta 8
woolly cupgrass Eriochloa villosa 8
azalea bark scale Eriococcus azaleae 4
common woolly sunflower Eriophyllum lanatum 4
woolly apple aphid Eriosoma lanigerum 1
Siricid woodwasp Eriotremex formosanus 4
pine bark anobiid Ernobius mollis 4
bark beetle Ernoporicus fagi 1
bark beetle Ernoporus tiliae 3
broadleaf filaree Erodium botrys 4
shortfruit stork's bill Erodium brachycarpum 8
redstem filaree Erodium cicutarium 6
whitestem filaree Erodium moschatum 5
Texas filaree Erodium texanum 8
dog mustard Erucastrum gallicum 3
fire blight Erwinia amylovora 12
bacterial wilt Erwinia tracheiphila 8
button snakeroot Eryngium yuccifolium 12
Western wallflower Erysimum asperum 3
wallflower mustard Erysimum cheiranthoides 1
bushy wallflower Erysimum repandum 1
powdery mildew Erysiphe betae 20
powdery mildew Erysiphe cichoracearum 16
powdery mildew Erysiphe necator 10
powdery mildew Erysiphe syringae 3
Indian coralbean Erythrina variegata 1
Virginiacreeper leafhopper Erythroneura ziczac 1
California poppy Eschscholzia californica 2
Orange-cheeked Waxbill Estrilda melpoda 1
river redgum Eucalyptus camaldulensis 4
Tasmanian bluegum Eucalyptus globulus 8
swampmahogany Eucalyptus robusta 1
forest redgum Eucalyptus tereticornis 12
eastern pine shoot borer Eucosma gloriola 1
western pineshoot borer Eucosma sonomana 5
fruit piercing moth Eudocima fullonia 4
scarlet ibis Eudocimus ruber 2
Surinam cherry Eugenia uniflora 2
calico scale Eulecanium cerasorum 12
green anaconda Eunectes murinus 1
yellow anaconda Eunectes notaeus 1
winged burning bush Euonymus alatus 13
European spindletree Euonymus europaeus 12
winter creeper Euonymus fortunei 12
dogfennel Eupatorium capillifolium 10
yankeeweed Eupatorium compositifolium 1
trumpetweed Eupatorium fistulosum 11
boneset Eupatorium perfoliatum 12
sweet joepyeweed Eupatorium purpureum 4
late boneset Eupatorium serotinum 2
flowering spurge Euphorbia corollata 5
painted poinsettia Euphorbia cyathophora 2
cypress spurge Euphorbia cyparissias 11
toothed spurge Euphorbia dentata 10
leafy spurge Euphorbia esula 18
sun spurge Euphorbia helioscopia 6
moleplant Euphorbia lathyris 3
spotted spurge Euphorbia maculata 10
snow-on-the-mountain Euphorbia marginata 6
myrtle spurge Euphorbia myrsinites 4
petty spurge Euphorbia peplus 5
poinsettia Euphorbia pulcherrima 16
creeping spurge Euphorbia serpens 4
netseed spurge Euphorbia spathulata 4
Geraldton carnation weed Euphorbia terracina 4
ambrosia beetle Euplatypus compositus 2
red bishop Euplectes orix nigrifrons 1
european grape berry moth Eupoecilia ambiguella 4
alder gall buprestid Eupristocerus spp. 2
browntail moth Euproctis chrysorrhoea 12
variegated fritillary Euptoieta claudia 12
cabbage bug Eurydema oleracea 1
sunn pest Eurygaster integriceps 1
West Indian sweet potato weevil Euscepes postfasciatus 2
stink bug Euschistus quadrator 9
brown stink bug Euschistus servus 12
narrowleaf goldenrod Euthamia graminifolia 4
slender goldenrod Euthamia tenuifolia 2
Eutypella canker Eutypella parasitica 3
shot-hole borer of tea Euwallacea fornicatus 2
ambrosia beetle Euwallacea piceus 1
ambrosia beetle Euwallacea spp. 3
ambrosia beetle Euwallacea validus 12
tuliptree borer Euzophera ostricolorella 1
American plum borer Euzophera semifuneralis 3
cocoa mealybug Exallomochlus hispidus 1
camellia leaf gall Exobasidium camelliae 3
leaf and flower gall Exobasidium vaccinii 8
common pearlbrush Exochorda racemosa 2
pine needleminer Exoteleia pinifoliella 1
Rostratum leaf spot Exserohilum rostratum 2
northern corn leaf blight Exserohilum turcicum 12
buckwheat Fagopyrum esculentum 2
peacocksplume Falcataria moluccana 4
prairie falcon Falco mexicanus 1
wild buckwheat Fallopia convolvulus 5
Japanese knotweed Fallopia japonica 13
giant knotweed Fallopia sachalinensis 7
Bohemian knotweed Fallopia x bohemica 12
redbud leaffolder Fascista cercerisella 8
mulberryweed Fatoua villosa 12
cat (domestic) Felis catus (domestic type) 7
cat (feral) Felis catus (feral type) 1
birch leafminer Fenusa pusilla 5
striped mealybug Ferrisia virgata 1
tall fescue Festuca arundinacea 11
field fescue Festuca arvernensis 1
hair fescue Festuca filiformis 12
Italian ryegrass Festuca perennis 10
red fescue Festuca rubra 1
lesser celandine, fig buttercup Ficaria verna 4
bark beetle Ficicis despectus 1
council tree Ficus altissima 1
edible fig Ficus carica 8
Indian rubberplant Ficus elastica 3
Chinese banyan Ficus microcarpa 8
dropwort Filipendula vulgaris 2
elongate hemlock scale Fiorinia externa 8
tea scale Fiorinia theae 12
Chinese parasoltree Firmiana simplex 8
velvet foot Flammulina velutipes 13
clusterflower Flaveria trinervia 3
fennel Foeniculum vulgare 10
tinder fungus Fomes fomentarius 15
red-belted fungus Fomitopsis pinicola 15
bracket fungus Fomitopsis rosea 1
European earwig Forficula auricularia 12
beach strawberry Fragaria chiloensis 3
woodland strawberry Fragaria vesca 2
wild strawberry Fragaria virginiana 4
glossy buckthorn Frangula alnus 14
Carolina buckthorn Frangula caroliniana 6
tobacco thrips Frankliniella fusca 6
western flower thrips Frankliniella occidentalis 12
white ash Fraxinus americana 12
green ash Fraxinus pennsylvanica 12
shamel ash Fraxinus uhdei 12
plains snakecotton Froelichia floridana 5
slender snakecotton Froelichia gracilis 4
white ramping fumitory Fumaria capreolata 3
drug fumitory Fumaria officinalis 9
Oustalet’s chameleon Furcifer oustaleti 3
panther chameleon Furcifer pardalis 3
Mauritius hemp Furcraea foetida 6
Soil Borne Wheat Mosaic Virus Furovirus SBWMV 9
Fusarium cortical stem rot Fusarium avenaceum 3
pitch canker Fusarium circinatum 8
bakanae of rice Fusarium fujikuroi 2
Fusarium damping-off Fusarium oxysporum f.sp. cepae 6
Fusarium wilt Fusarium oxysporum f.sp. conglutinans 1
Fusarium wilt Fusarium oxysporum f.sp. gladioli 13
Fusarium wilt Fusarium oxysporum f.sp. lycopersici 12
Fusarium wilt Fusarium oxysporum f.sp. niveum 3
mimosa wilt Fusarium oxysporum f.sp. perniciosum 4
Fusarium wilt of cotton Fusarium oxysporum f.sp. vasinfectum 4
Fusarium root rot and wilt Fusarium oxysporum 12
Fusarium wilt Fusarium poae 1
Fusarium damping-off Fusarium solani 1
Fusarium wilts, blights, rots and damping-off Fusarium spp. 8
pitch canker Fusarium subglutinans 5
Fuscoporia fungus Fuscoporia gilva 2
Fusicoccum canker Fusicoccum putrefaciens 1
take-all root rot / sheath rot Gaeumannomyces graminis 13
take-all root rot Gaeumannomyces graminis var. avenae 4
take-all root rot Gaeumannomyces graminis var. graminis 16
take-all root rot Gaeumannomyces graminis var. tritici 4
firewheel Gaillardia pulchella 12
goatsrue Galega officinalis 12
common hempnettle Galeopsis tetrahit 12
smallflower galinsoga Galinsoga parviflora 12
hairy galinsoga Galinsoga quadriradiata 8
catchweed bedstraw Galium aparine 9
rough bedstraw Galium asprellum 4
northern bedstraw Galium boreale 9
Lamarck's bedstraw Galium divaricatum 4
smooth bedstraw Galium mollugo 12
yellow wall bedstraw Galium murale 4
wall bedstraw Galium parisiense 4
yellow bedstraw Galium verum 1
chicken (feral) Gallus gallus (feral type) 1
western mosquitofish Gambusia affinis 1
purple cudweed Gamochaeta purpurea 10
artist's conk Ganoderma applanatum 11
Ganoderma root and butt rot Ganoderma australe 11
Ganoderma root and butt rot Ganoderma lucidum 16
Ganoderma root and butt rot Ganoderma oregonense 2
hemlock varnish shelf Ganoderma tsugae 3
nit grass Gastridium phleoides 3
lappet moth Gastropacha quercifolia 2
wintergreen Gaultheria procumbens 4
salal Gaultheria shallon 8
scarlet gaura Gaura coccinea 4
Drummond's beeblossom Gaura drummondii 4
wavyleaf gaura Gaura sinuata 4
black huckleberry Gaylussacia baccata 3
Tokay Gekko Gekko gecko 2
Cabbage Leaf Curl Virus Geminivirus CaLCuV 1
French broom Genista monspessulana 8
Dyer's greenweed Genista tinctoria 1
Leopard Tortoise Geochelone pardalis 2
white-nose syndrome fungus Geomyces destructans 3
redstriped eartheater Geophagus surinamensis 1
thousand cankers disease Geosmithia morbida 12
sour rot Geotrichum candidum 3
Carolina geranium Geranium carolinianum 9
cutleaf geranium Geranium dissectum 9
shining geranium Geranium lucidum 4
wild geranium Geranium maculatum 11
dovefoot geranium Geranium molle 4
New Zealand geranium Geranium retrorsum 4
herb-robert Geranium robertianum 9
Thunberg's geranium Geranium thunbergii 12
yellow avens Geum aleppicum 1
herb bennet Geum urbanum 4
Gibberella canker Gibberella baccata 9
Bakanae Disease of Rice / cotton boll rot Gibberella fujikuroi 8
Gibberella fungus Gibberella tricincta 4
Gibberella stalk rot Gibberella zeae 12
rose vervain Glandularia canadensis 1
moss vervain Glandularia pulchella 12
yellow hornpoppy Glaucium flavum 12
ground ivy Glechoma hederacea 11
honeylocust Gleditsia triacanthos 10
white potato cyst nematode Globodera pallida 8
yellow potato cyst nematode Globodera rostochiensis 12
needlecast Gloeocoryneum cinereum 1
sooty blotch Gloeodes pomigena 2
rusty gilled polypore Gloeophyllum sepiarium 15
marine nudibranch Glossodoris sedna 1
waxy mannagrass Glyceria declinata 8
rough mannagrass Glyceria maxima 4
soybean Glycine max 11
sugar maple borer Glycobius speciosus 3
western marsh cudweed Gnaphalium palustre 2
western pinewood stainer Gnathotrichus retusus 8
ambrosia beetles Gnathotrichus spp. 1
western hemlock wood stainer Gnathotrichus sulcatus 8
anthracnose Gnomonia spp. 1
ash anthracnose Gnomoniella fraxini 10
slash pine flower thrips Gnophothrips fuscus 1
oak branch borer Goes debilis 1
living-hickory borer Goes pulcher 6
beech borer Goes pulverulentus 1
long-horned beetles Goes spp. 1
oak sapling borer Goes tesselatus 1
white oak borer Goes tigrinus 3
prostrate globe-amaranth Gomphrena serrata 5
Kenyan sand boa Gongylophis colubrinus 7
lucerne beetle Gonioctena fornicata 2
European elm scale Gossyparia spuria 12
cotton Gossypium hirsutum 12
blue-green sharpshooter Graphocephala atropunctata 1
plum fruit moth Grapholita funebrana 4
Oriental fruit moth Grapholita molesta 12
false map turtle Graptemys pseudogeographica 4
aphid Greenidea ficicola 4
aphid Greenidea psidii 4
Scleroderris canker of pine and spruce Gremmeniella abietina 16
kahiliflower Grevillea banksii 1
silkoak Grevillea robusta 8
hen of the woods Grifola frondosa 1
Great Valley gumweed Grindelia camporum 8
curlycup gumweed Grindelia squarrosa 8
Scleroderris canker of western firs Grovesiella abieticola 5
zonate leaf spot Grovesinia pyramidalis 13
Sarus crane Grus antigone 2
Guignardia blotch of buckeyes and horsechestnuts Guignardia aesculi 12
black rot Guignardia bidwellii 12
citrus black spot Guignardia citricarpa 4
Guignardia blotch Guignardia musae 1
broom snakeweed Gutierrezia sarothrae 8
Eurasian ruffe Gymnocephalus cernuus 2
Senegal tea plant Gymnocoronis spilanthoides 12
Japanese pear rust Gymnosporangium asiaticum 8
quince rust Gymnosporangium clavipes 20
mountain ash juniper rust Gymnosporangium cornutum 5
American hawthorn rust Gymnosporangium globosum 4
cedar-apple rust Gymnosporangium juniperi-virginianae 12
incense cedar broom rust Gymnosporangium libocedri 5
witches broom rust Gymnosporangium nelsonii 3
juniper witches' broom rust Gymnosporangium nidus avis 1
rust Gymnosporangium nidus-avis 1
Japanese apple rust Gymnosporangium yamadae 12
Cuban laurel thrips Gynaikothrips ficorum 1
cottonwood twig borer Gypsonoma haimbachiana 5
babysbreath Gypsophila paniculata 4
western stickseed Hackelia floribunda 4
ambrosia beetle Hadrodemius globus 2
mountain silverbell Halesia tetraptera 5
halogeton Halogeton glomeratus 11
garden fleahopper Halticus bractatus 4
brown marmorated stink bug Halyomorpha halys 12
pale tussock moth Halysidota tessellaris 1
multicolored Asian lady beetle Harmonia axyridis 12
rose stem sawfly Hartigia trimaculata 2
Algerian ivy Hedera canariensis 3
English ivy Hedera helix 17
white garland-lily Hedychium coronarium 8
white garland-lily Hedychium coronarium 8
Kahila garland-lily Hedychium gardnerianum 8
bitter sneezeweed Helenium amarum 6
common sneezeweed Helenium autumnale 1
Bigelow's sneezeweed Helenium bigelovii 3
common sunflower Helianthus annuus 15
Maximilian sunflower Helianthus maximiliani 1
Nuttall's sunflower Helianthus nuttallii 4
prairie sunflower Helianthus petiolaris 1
Jerusalem artichoke Helianthus tuberosus 16
strawflower Helichrysum petiolare 4
violet root rot Helicobasidium brebissonii 2
old world bollworm, cotton bollworm Helicoverpa armigera 8
bollworm Helicoverpa zea 12
oxeye Heliopsis helianthoides 2
tobacco budworm Heliothis virescens 12
greenhouse thrips Heliothrips haemorrhoidalis 2
clasping heliotrope Heliotropium amplexicaule 3
seaside heliotrope Heliotropium curassavicum 10
European heliotrope Heliotropium europaeum 3
Indian heliotrope Heliotropium indicum 3
roman snail Helix pomatia 4
bristly oxtongue Helminthotheca echioides 4
tawny daylily Hemerocallis fulva 9
greedy scale Hemiberlesia rapax 4
striped alder sawfly Hemichroa crocea 2
African jewelfish Hemichromis letourneuxi 1
Indo-Pacific Gecko Hemidactylus garnotii 1
Tropical House Gecko Hemidactylus mabouia 1
Mediterranean gecko Hemidactylus turcicus 4
Asian shore crab Hemigrapsus sanguineus 3
coffee leaf rust Hemileia vastatrix 7
buck moth Hemileuca maia 5
bloody red shrimp Hemimysis anomala 8
Hemiphacidium fungus Hemiphacidium planum 1
Fitch's tarweed Hemizonia fitchii 12
Red Sea bannerfish Heniochus intermedius 1
giant hogweed Heracleum mantegazzianum 20
common cowparsnip Heracleum maximum 8
Hericium fungus Hericium coralloides 1
long-horned beetle Herophila tristis 2
banded cichlid Heros severus 1
brown felt blight Herpotrichia juniperi 1
dames rocket Hesperis matronalis 7
Chinese longhorned beetle Hesperophanes campestris 2
long-horned beetle Hesperophanes griseus 2
long-horned beetle Hesperophanes pallidus 1
ducksalad Heteranthera limosa 8
roundleaf mudplantain Heteranthera reniformis 2
annosum root disease Heterobasidion annosum 12
saddled prominent Heterocampa guttivitta 4
pearlflower Heterocentron subtriplinervium 1
cereal cyst nematode Heterodera avenae 1
carrot cyst nematode Heterodera carotae 4
Heterodera nematode Heterodera filipjevi 2
soybean cyst nematode Heterodera glycines 12
sugar beet cyst nematode Heterodera schachtii 1
corn cyst nematode Heterodera zeae 7
African black beetle Heteronychus arator 4
tanglehead Heteropogon contortus 12
leucaena psyllid Heteropsylla cubana 3
telegraph weed Heterotheca grandiflora 12
camphorweed Heterotheca subaxillaris 4
hairy false goldenaster Heterotheca villosa 8
rose of Sharon Hibiscus syriacus 4
Venice mallow Hibiscus trionum 12
orange hawkweed Hieracium aurantiacum 16
meadow hawkweed Hieracium caespitosum 9
gronovius hawkweed Hieracium gronovii 2
mouseear hawkweed Hieracium pilosella 3
mouseear hawkweed Hieracium pilosella var. niveum 1
marestail Hippuris vulgaris 4
shortpod mustard Hirschfeldia incana 12
common velvetgrass Holcus lanatus 11
virgate tarweed Holocarpha virgata 4
oceanspray Holodiscus discolor 8
wood borer of coigue Holopterus chilensis 1
mimosa webworm Homadaula anisocentra 8
glassy-winged sharpshooter Homalodisca vitripennis 8
cape tulip Homeria spp. 1
European apple sawfly Hoplocampa testudinea 1
brown hoplo Hoplosternum littorale 1
Barley Stripe Mosaic Virus Hordeivirus BSMV 2
foxtail barley Hordeum jubatum 9
Mediterranean barley Hordeum marinum ssp. gussonianum 8
mouse barley Hordeum murinum 4
smooth barley Hordeum murinum ssp. glaucum 8
leporinum barley Hordeum murinum ssp. leporinum 10
wall barley Hordeum murinum ssp. murinum 4
little barley Hordeum pusillum 1
barley Hordeum vulgare 11
bluets Houstonia caerulea 12
roundleaf bluet Houstonia procumbens 8
Japanese hop Humulus japonicus 12
Mexican tulip poppy Hunnemannia fumariifolia 8
coriander aphid Hyadaphis coriandri 8
Taterian honeysuckle aphid Hyadaphis tataricae 4
panicled hydrangea Hydrangea paniculata 4
South American rice miner Hydrellia wirthi 1
hydrilla Hydrilla verticillata 8
capybara Hydrochaeris hydrochaeris 2
European frog-bit Hydrocharis morsus-ranae 2
waterpoppy Hydrocleys nymphoides 3
coastal plain pennywort Hydrocotyle bonariensis 8
floating pennywort Hydrocotyle ranunculoides 10
lawn pennywort Hydrocotyle sibthorpioides 3
water pennywort Hydrocotyle umbellata 4
whorled pennywort Hydrocotyle verticillata 1
girdled snail Hygromia cinctella 8
miramar weed Hygrophila polysperma 7
bark beetle Hylastes angustatus 8
black pine bark beetle Hylastes ater 12
bark beetle Hylastes cunicularius 10
root-feeding bark beetle Hylastes macer 1
bark beetle Hylastes opacus 8
bark beetle Hylastes porculus 2
bark beetle Hylastes salebrosus 4
bark beetles Hylastes spp. 2
bark beetle Hylastinus fankhauseri 2
bark beetles Hylastinus spp. 2
eastern ash bark beetle Hylesinus aculeatus 12
larch elm bark beetle Hylesinus crenatus 7
ash bark beetles Hylesinus spp. 3
bark beetle Hylesinus toranio 3
ash bark beetle Hylesinus varius 13
bark beetle Hylesinus wachtli orni 2
large brown trunk beetle Hylobius abietis 12
southern pine root weevil Hylobius aliradicis 1
pales weevil Hylobius pales 5
large spruce weevil Hylobius piceus 8
pine root collar weevil Hylobius radicis 4
root-boring weevil Hylobius transversovittatus 11
Warren root collar weevil Hylobius warreni 1
nightblooming cactus Hylocereus undatus 4
bark beetles Hylocurus spp. 2
live-forever stonecrop Hylotelephium telephium 1
old house borer Hylotrupes bajulus 16
bark beetle Hylurdrectonus araucariae 9
hoop-pine bark beetle Hylurdrectonus piniarius 10
native elm bark beetle Hylurgopinus rufipes 1
bark beetles Hylurgopinus spp. 2
bark beetle Hylurgops glabratus 8
bark beetle Hylurgops palliatus 12
bark beetles Hylurgops spp. 3
goldenhaired bark beetle Hylurgus ligniperda 13
bark beetles Hylurgus spp. 1
orange sneezeweed Hymenoxys hoopesii 12
black henbane Hyoscyamus niger 15
jaraguagrass Hyparrhenia rufa 8
green cloverworm Hypena scabra 8
alfalfa weevil Hypera postica 8
Aaron's beard Hypericum calycinum 1
Canary Island St. Johnswort Hypericum canariense 8
golden St. Johnswort Hypericum frondosum 3
pineweed Hypericum gentianoides 2
dwarf St. Johnswort Hypericum mutilum 2
common St. Johnswort Hypericum perforatum 13
shrubby St. Johnswort Hypericum prolificum 3
shrubby St. Johnswort Hypericum prolificum 4
spotted St. Johnswort Hypericum punctatum 1
fall webworm Hyphantria cunea 16
fig bark beetles Hypoborus spp. 1
smooth cat's ear Hypochaeris glabra 12
hairy cat's ear Hypochaeris radicata 11
larch needle cast Hypodermella laricis 5
silver carp Hypophthalmichthys molitrix 7
bighead carp Hypophthalmichthys nobilis 2
kiawe scolytid Hypothenemus birmanus 3
coffee berry borer Hypothenemus hampei 2
bark beetles Hypothenemus spp. 4
tessellated blenny Hypsoblennius invemar 4
comb bushmint Hyptis pectinata 2
indigobush twig borer Hystricophora taleana 1
yellow unicorn-plant Ibicella lutea 12
cottony cushion scale Icerya purchasi 16
blue catfish Ictalurus furcatus 2
troupial Icterus icterus 1
green iguana Iguana iguana 8
Apple Mosaic Virus Ilarvirus ApMV 16
Prune Dwarf Virus Ilarvirus PDV 2
Tobacco Streak Virus Ilarvirus TSV 14
English holly Ilex aquifolium 1
Chinese holly Ilex cornuta 8
possumhaw Ilex decidua 2
yaupon Ilex vomitoria 12
jewelweed Impatiens capensis 9
Himalayan balsam Impatiens glandulifera 23
Brazilian satintail Imperata brasiliensis 4
cogongrass Imperata cylindrica 12
anil de pasto Indigofera suffruticosa 8
red root and butt rot Inonotus circinatus 5
weeping conk Inonotus dryadeus 7
hispidus canker Inonotus hispidus 5
clinker polypore Inonotus obliquus 3
British yellowhead Inula britannica 12
swamp morningglory Ipomoea aquatica 8
sweetpotato Ipomoea batatas 1
Cairo morningglory Ipomoea cairica 4
red morningglory Ipomoea coccinea 10
sharppod morningglory Ipomoea cordatotriloba 8
tievine Ipomoea cordatotriloba var. cordatotriloba 1
ivyleaf morningglory Ipomoea hederacea 12
blue morningglory Ipomoea indica 12
pitted morningglory Ipomoea lacunosa 7
bush morning-glory Ipomoea leptophylla 2
Japanese morningglory Ipomoea nil 2
bigroot morningglory Ipomoea pandurata 9
beach morningglory Ipomoea pes-caprae 1
tall morningglory Ipomoea purpurea 11
cypressvine morningglory Ipomoea quamoclit 12
morningglory Ipomoea spp. 7
threelobe morningglory Ipomoea triloba 4
purple moonflower Ipomoea turbinata 12
palmleaf morningglory Ipomoea wrightii 4
morning-glory Ipomoea x leucantha 1
engraver beetle Ips acuminatus 12
small spruce bark beetle Ips amitinus 12
bark beetle Ips apache 1
small southern pine engraver Ips avulsus 6
sixspined ips Ips calligraphus 12
large larch bark beetle Ips cembrae 12
pinyon ips Ips confusus 8
northern bark beetle Ips duplicatus 11
emarginate ips Ips emarginatus 1
eastern fivespined ips Ips grandicollis 8
blue spruce engraver Ips hunteri 9
bark beetle Ips latidens 11
Arizona fivespined ips Ips lecontei 1
California fivespined ips Ips paraconfusus 4
northern spruce engraver Ips perturbatus 4
pine engraver Ips pini 12
six-spined engraver beetle Ips sexdentatus 12
Ips engraver beetles Ips spp. 13
larch engraver beetle Ips subelongatus 8
European spruce bark beetle Ips typographus 15
cypress looper Iridopsis pergracilis 6
dwarf crested iris Iris cristata 2
Douglas iris Iris douglasiana 4
Russian iris Iris ensata 1
copper iris Iris fulva 3
Rocky Mountain iris Iris missouriensis 10
sweet iris Iris pallida 1
yellow iris Iris pseudacorus 17
Siberian iris Iris sibirica 5
dwarf violet iris Iris verna 4
harlequin blueflag Iris versicolor 12
Virginia iris Iris virginica 8
milk-white toothed polypore Irpex lacteus 6
Dyer's woad Isatis tinctoria 20
saramollagrass Ischaemum rugosum 4
clover stem weevil Ischnopterapion virens 1
shrine jimmyweed Isocoma tenuisecta 1
long-horned beetle Isotomus speciosus 2
fir needle cast Isthmiella abietis 1
annual marshelder Iva annua 3
poverty sumpweed Iva axillaris 6
blacklegged tick Ixodes scapularis 12
smallflower morningglory Jacquemontia tamnifolia 8
stilt bug Jalysus wickhami 4
willow shoot sawfly Janus abbreviatus 4
oak shoot sawfly Janus quercusae 2
Gold Coast jasmine Jasminum dichotomum 3
jazmin de trapo Jasminum fluminense 8
bellyache bush Jatropha gossypiifolia 2
toad rush Juncus bufonius 2
soft rush Juncus effusus 2
broadleaf rush Juncus planifolius 3
slender rush Juncus tenuis 12
common juniper Juniperus communis 12
western juniper Juniperus occidentalis var. occidentalis 2
eastern redcedar Juniperus virginiana 12
American waterwillow Justicia americana 8
eye spot Kabatiella zeae 2
cathedral bells Kalanchoe pinnata 4
elm leafminer Kaliofenusa ulmi 4
sheep laurel Kalmia angustifolia 4
castor aralia Kalopanax septemlobus 1
Japanese rose Kerria japonica 3
common lac insect Kerria lacca 4
sharppoint fluvellin Kickxia elatine 2
metalic wood-boring beetle Kisanthobia ariasi 1
bluebuttons Knautia arvensis 1
redhot poker Kniphofia uvaria 4
Mexican fireweed Kochia scoparia 7
flamegold Koelreuteria elegans ssp. formosana 4
goldenrain tree Koelreuteria paniculata 4
Korean lespedeza Kummerowia stipulacea 12
common lespedeza Kummerowia striata 8
Kutilakesa fungus Kutilakesa pironii 4
green kyllinga Kyllinga brevifolia 11
false green kyllinga Kyllinga gracillima 2
white kyllinga Kyllinga nemoralis 2
fragrant kyllinga Kyllinga odorata 2
Carolina redroot Lachnanthes caroliana 12
Lachnellula canker Lachnellula flavovirens 1
European larch canker Lachnellula willkommii 8
tall lettuce Lactuca canadensis 11
Florida wild lettuce Lactuca floridana 2
willowleaf lettuce Lactuca saligna 4
lettuce Lactuca sativa 4
lettuce Lactuca sativa 8
prickly lettuce Lactuca serriola 13
lettuce Lactuca spp. 1
blue lettuce Lactuca tatarica var. pulchella 8
bitter lettuce Lactuca virosa 4
Coulter's horseweed Laennecia coulteri 4
sulfur shelf Laetiporus sulphureus 12
red thread Laetisaria fuciformis 2
oxygen weed Lagarosiphon major 3
crapemyrtle Lagerstroemia indica 12
spring hemlock looper Lambdina fervidaria athasaria 1
western oak looper Lambdina fiscellaria somniaria 2
henbit Lamium amplexicaule 8
yellow archangel Lamium galeobdolon 3
spotted deadnettle Lamium maculatum 3
purple deadnettle Lamium purpureum 11
Bean butterfly Lampides boeticus 12
metalic wood-boring beetle Lamprodila decipiens 3
linden burncow Lamprodila rutilans 1
Glossy Starling Lamprotornis chalybaeus 2
Superb Starling Lamprotornis superbus 1
dotted duckmeat Landoltia punctata 4
largeleaf lantana Lantana camara 14
weeping lantana Lantana montevidensis 7
western sticktight Lappula occidentalis 4
European sticktight Lappula squarrosa 8
heart rot Laricifomes officinalis 2
creosotebush Larrea tridentata 2
cigarette beetle Lasioderma serricorne 4
Java black rot Lasiodiplodia theobromae 8
metalic wood-boring beetle Lasionota conjuntus 1
rough peavine Lathyrus hirsutus 3
everlasting peavine Lathyrus latifolius 2
common falsepit scale Lecanodiaspis prosopidis 1
Labrador-tea Ledum groenlandicum 4
rice cutgrass Leersia oryzoides 4
Northern Curly-tailed Lizard Leiocephalus carinatus armouri 2
Red-sided Curly-tailed Lizard Leiocephalus schreibersii schreibersii 1
Butterfly lizard Leiolepis belliana belliana 1
red-billed leiothrix Leiothrix lutea 1
leaf beetle Lema bilineata 4
inflated duckweed Lemna gibba 1
minute duckweed Lemna minuta 12
lionsear Leonotis nepetifolia 4
fall hawkbit Leontodon autumnalis 1
lesser hawkbit Leontodon taraxacoides 2
motherwort Leonurus cardiaca 8
ocelote Leopardus pardalis 4
field pepperweed Lepidium campestre 9
orbicular whitetop Lepidium chalepense 12
greenflower pepperweed Lepidium densiflorum 12
hoary cress Lepidium draba 12
perennial pepperweed Lepidium latifolium 14
tongue pepperweed Lepidium nitidum 4
clasping pepperweed Lepidium perfoliatum 8
garden cress Lepidium sativum 1
upright pepperweed Lepidium strictum 4
Virginia pepperweed Lepidium virginicum 9
oystershell scale Lepidosaphes ulmi 4
green sunfish Lepomis cyanellus 1
twig canker Lepteutypa cupressi 12
Colorado potato beetle Leptinotarsa decemlineata 12
Chinese sprangletop Leptochloa chinensis 4
bearded sprangletop Leptochloa fusca ssp. fascicularis 3
Mexican sprangletop Leptochloa fusca ssp. uninervia 4
leaffooted pine seed bug Leptoglossus corculus 4
western conifer-seed bug Leptoglossus occidentalis 5
leaf-footed bug Leptoglossus zonatus 1
Leptographium root disease Leptographium procerum 8
Leptographium root disease Leptographium spp. 1
broom teatree Leptospermum scoparium 2
stem canker Leptosphaeria coniothyrium 10
Leptosphaerulina leaf blight Leptosphaerulina trifolii 6
ambrosia beetle Leptoxyleborus sordicauda 2
hornet beetle Leptura aurulanta 2
hornet beetle Leptura aurulenta 3
black-tailed jack rabbit Lepus californicus 3
shrubby lespedeza Lespedeza bicolor 8
sericea lespedeza Lespedeza cuneata 16
Thunberg lespedeza Lespedeza thunbergii 3
violet lespedeza Lespedeza violacea 1
white leadtree Leucaena leucocephala 12
oxeye daisy Leucanthemum vulgare 16
white satin moth Leucoma salicis 6
ceniza Leucophyllum frutescens 2
pear leaf blister moth Leucoptera malifoliella 4
Leucostoma canker of spruce Leucostoma kunzei 1
powdery mildew Leveillula taurica 1
dotted gayfeather Liatris punctata 2
Amur privet Ligustrum amurense 1
Japanese privet Ligustrum japonicum 8
glossy privet Ligustrum lucidum 12
border privet Ligustrum obtusifolium 12
California privet Ligustrum ovalifolium 8
Chinese privet Ligustrum sinense 19
privet Ligustrum spp. 4
European privet Ligustrum vulgare 12
lily leaf beetle Lilioceris lilii 12
tiger lily Lilium lancifolium 4
land snail Limicolaria aurora 1
American frogbit Limnobium spongia 12
limnophila Limnophila sessiliflora 4
Dalmatian toadflax Linaria dalmatica 11
dalmatian toadflax Linaria dalmatica ssp. dalmatica 12
broomleaf toadflax Linaria genistifolia 5
Moroccan toadflax Linaria maroccana 4
purple toadflax Linaria purpurea 3
yellow toadflax Linaria vulgaris 17
Argentine ant Linepithema humile 12
pale flax Linum bienne 2
common flax Linum usitatissimum 4
sweetgum Liquidambar styraciflua 8
yellow-poplar Liriodendron tulipifera 12
pea leafminer Liriomyza huidobrensis 1
monkeygrass Liriope muscari 12
creeping liriope Liriope spicata 4
fir needle cast Lirula abietis-concoloris 4
spruce needle cast/blight Lirula macrospora 3
vegetable weevil Listroderes difficilis 3
carrot weevil Listronotus oregonensis 4
American bullfrog Lithobates catesbeianus 8
tanoak Lithocarpus densiflorus 4
hoary puccoon Lithospermum canescens 8
whiteleg shrimp Litopenaeus vannamei 1
fountain palm Livistona chinensis 7
cardinalflower Lobelia cardinalis 12
Indiantobacco Lobelia inflata 4
great blue lobelia Lobelia siphilitica 12
grape berry moth Lobesia botrana 1
sweet alyssum Lobularia maritima 7
variable oakleaf caterpillar Lochmaeus manteo 5
narrowleaf cottonrose Logfia gallica 4
perennial ryegrass Lolium perenne 9
rigid ryegrass Lolium rigidum 4
poison ryegrass Lolium temulentum 8
nutmeg mannikin Lonchura punctulata 4
needle nematode Longidorus leptocephalus 2
sweet breath of spring Lonicera fragrantissima 4
Japanese honeysuckle Lonicera japonica 19
Amur honeysuckle Lonicera maackii 12
Morrow's honeysuckle Lonicera morrowii 12
trumpet honeysuckle Lonicera sempervirens 11
Standish's honeysuckle Lonicera standishii 1
Tatarian honeysuckle Lonicera tatarica 11
showy fly honeysuckle, Bell's honeysuckle Lonicera x bella 12
goldflame honeysuckle Lonicera x heckrottii 1
dwarf honeysuckle Lonicera xylosteum 8
hickory tussock moth Lophocampa caryae 1
white pine needlecast Lophodermella arcuata 1
lodgepole pine needle cast Lophodermella concolor 8
needlecast Lophodermella montivaga 2
needle cast Lophodermium juniperinum 1
spruce needle cast Lophodermium piceae 3
pine needle cast Lophodermium pinastri 12
needle cast Lophodermium seditiosum 3
Lophodermium needle casts Lophodermium spp. 4
Japanese maple scale Lopholeucaspis japonica 4
vinegartree Lophostemon confertus 8
birdsfoot trefoil Lotus corniculatus 8
narrowleaf bird's-foot trefoil Lotus tenuis 4
bushy waterprimrose Ludwigia alternifolia 4
winged waterprimrose Ludwigia decurrens 4
large-flower primrose-willow Ludwigia grandiflora grandiflora 10
large-flower primrose-willow Ludwigia grandiflora 8
longfruited primrose-willow Ludwigia octovalvis 3
waterpurslane Ludwigia palustris 4
creeping waterprimrose Ludwigia peploides 12
primrose-willow Ludwigia peruviana 2
floating waterprimrose Ludwigia repens 4
primrose-willow Ludwigia spp. 1
common earthworm Lumbricus terrestris 8
yellow bush lupine Lupinus arboreus 8
silver lupine Lupinus argenteus 12
miniature lupine Lupinus bicolor 2
tailcup lupine Lupinus caudatus 2
perennial lupine Lupinus perennis 12
bigleaf lupine Lupinus polyphyllus 12
silky lupine Lupinus sericeus 4
Bean Leaf Roll Virus Luteovirus BLRV 8
Barley Yellow Dwarf Virus Luteovirus BYDV 7
Raspberry Leaf Curl Virus Luteovirus RLCV 1
Strawberry Mild Yellow Edge Virus Luteovirus SMYEV 1
southern watergrass Luziola fluitans 4
oakforest woodrush Luzula luzuloides 12
matrimony vine Lycium barbarum 9
African boxthorn Lycium ferocessimum 1
African boxthorn Lycium ferocissimum 4
American bugleweed Lycopus americanus 11
European bugleweed Lycopus europaeus 1
slender bugleweed Lycopus uniflorus 8
southern lyctus beetle Lyctus carbonarius 8
Japanese climbing fern Lygodium japonicum 19
old world climbing fern Lygodium microphyllum 16
western tarnished plant bug Lygus hesperus 1
tarnished plant bug Lygus lineolaris 12
bark beetles Lymantor spp. 1
Asian gypsy moth Lymantria dispar asiatica 8
gypsy moth Lymantria dispar 15
rosy gypsy moth Lymantria mathura 12
nun moth Lymantria monacha 16
scarlet pimpernel Lysimachia arvensis 10
fringed loosestrife Lysimachia ciliata 3
creeping yellow loosestrife, creeping Jenney Lysimachia nummularia 9
dotted loosestrife Lysimachia punctata 1
swampcandle Lysimachia terrestris 2
garden loosestrife Lysimachia vulgaris 7
California loosestrife Lythrum californicum 1
hyssop loosestrife Lythrum hyssopifolia 12
purple loosestrife Lythrum salicaria 17
threebract loosestrife Lythrum tribracteatum 2
many-striped skink Mabuya multifasciata 1
larch looper Macaria sexmaculata sexmaculata 2
catclaw-vine Macfadyena unguis-cati 12
lacy tansyaster Machaeranthera pinnatifida 1
tahoka daisy Machaeranthera tanacetifolia 2
osage-orange Maclura pomifera 12
pink hibiscus mealybug Maconellicoccus hirsutus 6
dogwood sawfly Macremphytus tarsatus 2
rose chafer Macrodactylus subspinosus 3
peacock eel Macrognathus siamensis 4
charcoal rot Macrophomina phaseolina 12
purple bushbean Macroptilium atropurpureum 8
wild bushbean Macroptilium lathyroides 4
potato aphid Macrosiphum euphorbiae 8
rose aphid Macrosiphum rosae 8
defoliating weevil Magdalis gentilis 1
periodical cicada Magicicada septendecim 16
periodical cicada Magicicada spp. 6
gray leaf spot Magnaporthe grisea 12
summer patch Magnaporthe poae 6
leatherleaf mahonia Mahonia bealei 16
Oregon grape Mahonia nervosa 1
false lily-of-the-valley Maianthemum canadense 4
eastern tent caterpillar Malacosoma americanum 12
western tent caterpillar Malacosoma californicum 6
Pacific tent caterpillar Malacosoma constrictum 5
forest tent caterpillar Malacosoma disstria 12
southwestern tent caterpillar Malacosoma incurvum 5
Asiatic garden beetle Maladera castanea 1
coppery mesemb Malephora crocea 1
hardwood stump borer Mallodon dasystomus 1
Siberian crabapple Malus baccata 1
Japanese flowering crabapple Malus floribunda 8
European crabapple Malus sylvestris 12
musk mallow Malva moschata 8
common mallow Malva neglecta 8
bull mallow Malva nicaeensis 4
little mallow Malva parviflora 9
high mallow Malva sylvestris 1
mazapan Malvaviscus penduliflorus 3
alkali mallow Malvella leprosa 8
cabbage moth Mamestra brassicae 1
tomato hornworm Manduca quinquemaculata 4
tobacco hornworm Manduca sexta 8
mango Mangifera indica 8
mango Mangifera spp. 1
tapioca Manihot esculenta 12
sapodilla Manilkara zapota 4
giant ramshorn snail Marisa cornuarietis 1
white horehound Marrubium vulgare 9
European water-clover Marsilea quadrifolia 4
hairy pepperwort Marsilea vestita 4
Marssonina blight of poplar Marssonina populi 1
Marssonina leaf spot Marssonina tremulae 6
legume pod borer Maruca vitrata 4
pineapple-weed Matricaria discoidea 10
wild chamomile Matricaria recutita 2
pinyon needle scale Matsucoccus acalyptus 4
Hessian fly Mayetiola destructor 1
Asian mazus Mazus pumilus 1
black medic Medicago lupulina 10
little burclover Medicago minima 3
California burclover Medicago polymorpha 9
alfalfa Medicago sativa 8
holdtight Medinilla venosa 4
titan acorn barnacle Megabalanus coccopoma 6
ringed kingfisher Megaceryle torquata 2
kudzu bug Megacopta cribraria 16
locust borer Megacyllene robiniae 16
guineagrass Megathyrsus maximus 8
melaleuca Melaleuca quinquenervia 15
hemlock rust Melampsora farlowii 4
poplar rust Melampsora medusae 2
twist rust Melampsora populnea 6
fir broom rust Melampsorella caryophyllacearum 4
cow-wheat Melampyrum lineare 4
red-rim melania Melanoides tuberculatus 1
yerba de hierro Melasma melampyroides 4
Banks melastoma Melastoma malabathricum 8
chinaberry Melia azedarach 19
annual yellow sweetclover Melilotus indicus 9
yellow sweet-clover Melilotus officinalis 21
molassesgrass Melinis minutiflora 12
natalgrass Melinis repens 8
chestnut timberworm Melittomma sericeum 4
redweed Melochia corchorifolia 4
hierba del soldado Melochia umbellata 4
coffee root-knot nematode Meloidogyne arabicida 3
root-knot nematode Meloidogyne brevicauda 3
citrus root-knot nematode Meloidogyne citri 2
coffee root-knot nematode Meloidogyne exigua 5
northern root-knot nematode Meloidogyne hapla 1
root-knot nematode Meloidogyne incognita 7
root-knot nematode Meloidogyne mayaguensis 12
barley root-knot nematode Meloidogyne naasi 5
coffee root-knot nematode Meloidogyne paranaensis 1
root-knot nematode Meloidogyne salasi 1
root-knot nematode Meloidogyne spp. 12
budgerigar Melopsittacus undulatus 2
creeping cucumber Melothria pendula 12
pennyroyal Mentha pulegium 7
spearmint Mentha spicata 2
apple mint Mentha suaveolens 1
tenpetal stickleaf Mentzelia decapetala 2
smoothstem blazingstar Mentzelia laevicaulis 2
needle blight of larch Meria laricis 3
Spanish arborvine Merremia tuberosa 2
crystalline iceplant Mesembryanthemum crystallinum 4
slenderleaf iceplant Mesembryanthemum nodiflorum 2
ring nematode Mesocriconema xenoplax 1
white-clouded longhorn beetle Mesosa nebulosa 2
early birch leaf edgeminer Messa nana 1
Mexican bromeliad weevil Metamasius callizona 4
bromeliad weevils Metamasius spp. 1
green muscardine of insects Metarhizium anisopliae 1
miconia Miconia calvescens 8
bark beetles Micracis spp. 1
bark beetles Micracisella spp. 2
globifera Micranthemum umbrosum 12
pink snow mold Microdochium nivale 4
spotted bass Micropterus punctulatus 2
Japanese stiltgrass Microstegium vimineum 15
African mile-a-minute Mikania cordata 4
mile-a-minute Mikania micrantha 4
climbing hempweed Mikania scandens 14
spring millet Milium vernale 1
giant sensitiveplant Mimosa diplotricha 8
littleleaf sensitivebriar Mimosa microphylla 12
catclaw mimosa Mimosa pellita 12
sensitiveplant Mimosa pudica 8
seep monkeyflower Mimulus guttatus 8
balsam twig aphid Mindarus abietinus 5
common four-o'clock Mirabilis jalapa 1
wild four-o'clock Mirabilis nyctaginea 12
Amur silvergrass Miscanthus sacchariflorus 7
Chinese silvergrass Miscanthus sinensis 15
oriental weatherfish Misgurnus anguillicaudatus 1
linearleaf snapdragon Misopates orontium 1
bristly mallow Modiola caroliniana 10
carpetweed Mollugo verticillata 8
longhorn beetle Molorchus minor 8
balsamapple Momordica charantia 8
Cartusian snail Monacha cartusiana 8
Hygromiid snail Monacha syriaca 16
lemon beebalm Monarda citriodora 3
wild bergamot Monarda fistulosa 12
spotted beebalm Monarda punctata 4
apple wood stainer Monarthrum mali 1
bark beetles Monarthrum spp. 3
cactus longhorn beetle Moneilema armatum 1
brown rot Monilinia fructicola 16
brown rot of fruit Monilinia fructigena 1
brown rot blossom blight and spur infection Monilinia laxa 2
mummy berry Monilinia vaccinii-corymbosi 15
scurf Monilochaetes infuscans 3
larger elm leaf beetle Monocesta coryli 5
Japanese pine sawyer Monochamus alternatus 12
pine sawyer beetle Monochamus carolinensis 1
spotted pine sawyer Monochamus clamator 2
long-horned beetle Monochamus galloprovincialis 12
northeastern sawyer Monochamus notatus 1
Sakhalin pine sawyer Monochamus saltuarius 3
sawyer beetle Monochamus sartor 10
whitespotted sawyer Monochamus scutellatus 4
sawyer beetles Monochamus spp. 8
small white-marmorated long-horned beetle Monochamus sutor 12
southern pine sawyer Monochamus titillator 16
black fir sawyer Monochamus urussovii 7
arrowleaved monochoria Monochoria hastata 4
monochoria Monochoria vaginalis 4
Nuttall povertyweed Monolepis nuttalliana 4
pharaoh ant Monomorium pharaonis 4
Asian swamp eel Monopterus albus 2
treedaisy Montanoa hibiscifolia 8
yellow morel Morchella esculenta 3
morel Morchella vulgaris 7
southern waxmyrtle Morella cerifera 12
firetree Morella faya 12
bayberry Morella pensylvanica 4
long-horned beetle Morimus funereus 2
white perch Morone americana 3
white bass Morone chrysops 1
white mulberry Morus alba 12
red mulberry Morus rubra 12
wirestem muhly Muhlenbergia frondosa 12
nimblewill Muhlenbergia schreberi 4
marsh dayflower Murdannia keisak 8
doveweed Murdannia nudiflora 2
Chinese box Murraya exotica 8
house fly Musca domestica 12
European Polecat Mustela putorius 1
wall lettuce Mycelis muralis 12
leaf spot Mycosphaerella alocasiae 1
Mycosphaerella leaf spot Mycosphaerella cerasella 10
Mycosphaerella fungus Mycosphaerella cruenta 2
brown spot needle blight of pine Mycosphaerella dearnessii 12
black Sigatoka disease Mycosphaerella fijiensis 12
strawberry leaf spot Mycosphaerella fragariae 8
ash leaf spot Mycosphaerella fraxinicola 1
Brown needle blight of pine Mycosphaerella gibsonii 1
Dothistroma needle blight Mycosphaerella pini 8
Septoria leaf spot of blackberry Mycosphaerella ribis 4
Monk Parakeet Myiopsitta monachus 4
Sri Lanka weevil Myllocerus undatus 2
black carp Mylopharyngodon piceus 2
nutria Myocastor coypus 1
ambrosia beetle Myoplatypus flavicornis 4
ngaio tree Myoporum laetum 4
broadleaf forget-me-not Myosotis latifolia 2
true forget-me-not Myosotis scorpioides 8
mousetail Myosurus minimus 2
parrotfeather Myriophyllum aquaticum 9
twoleaf watermilfoil Myriophyllum heterophyllum 4
Eurasian water-milfoil Myriophyllum spicatum 10
watermilfoil Myriophyllum spp. 3
European imported fire ant Myrmica rubra 1
Charua mussel Mytella charruana 4
green peach aphid Myzus persicae 12
tobacco aphid Myzus persicae nicotianae 12
cicadas 5
aphids 6
sand pine root disease 3
air pollutants 5
false root-knot nematode Nacobbus aberrans 1
slender naiad Najas flexilis 1
southern naiad Najas guadalupensis 4
hollyleaf naiad Najas marina 1
brittleleaf naiad Najas minor 8
black-hooded parakeet Nandayus nenday 3
sacred bamboo Nandina domestica 32
blueberry leaf rust Naohidemyces vacciniorum 3
matgrass Nardus stricta 4
Orangespine unicornfish Naso lituratus 1
current-lettuce aphid Nasonovia ribisnigri 8
serrated tussock Nassella trichotoma 8
onerow yellowcress Nasturtium microphyllum 16
watercress Nasturtium officinale 9
White-nosed Coati Nasua narica 2
South American coati Nasua nasua 1
tree termite Nasutitermes costalis 8
whitefringed weevil Naupactus leucoloma 8
whitefringed beetle Naupactus peregrinus 3
whitefringed beetles Naupactus spp. 8
fruit tree weevil Naupactus xanthographus 8
Nectria canker Nectria cinnabarina 2
beech bark disease Nectria coccinea 12
Nectria canker Nectria galligena 7
long-horned beetle Necydalis major 2
American lotus Nelumbo lutea 12
Sacred lotus Nelumbo nucifera 12
common sawflies Nematus spp. 3
locust sawfly Nematus tibialis 4
willow sawfly Nematus ventralis 2
redheaded ash borer Neoclytus acuminatus 4
banded ash borer Neoclytus caprea 1
long-horned beetle Neoclytus spp. 4
Abbott's sawfly Neodiprion abbottii 1
conifer sawfly Neodiprion autumnalis 2
blackheaded pine sawfly Neodiprion excitans 6
redheaded pine sawfly Neodiprion lecontei 6
slash pine sawfly Neodiprion merkeli 1
red pine sawfly Neodiprion nanulus nanulus 1
white pine sawfly Neodiprion pinetum 3
sand pine sawfly Neodiprion pratti 1
Virginia pine sawfly Neodiprion pratti pratti 4
European pine sawfly Neodiprion sertifer 5
conifer sawflies Neodiprion spp. 5
loblolly pine sawfly Neodiprion taedae linearis 5
hemlock sawfly Neodiprion tsugae 3
Neofabraea fungus Neofabraea malicorticis 2
round goby Neogobius melanostomus 4
magnolia scale Neolecanium cornuparvum 8
crescentmarked lily aphid Neomyzus circumflexum 4
beech bark canker Neonectria coccinea var. faginata 3
Neonectria canker Neonectria galligena 6
perennial soybean Neonotonia wightii 2
brown felt blight of pines Neopeckia coulteri 6
pine butterfly Neophasia menapia 6
catnip Nepeta cataria 8
rice leafhopper Nephotettix nigropictus 1
Asian swordfern Nephrolepis brownii 1
narrow swordfern Nephrolepis cordifolia 5
Arabis Mosaic Virus Nepovirus ArMV 12
Cherry Rasp Leaf Virus Nepovirus CRLV 7
Grapevine Fanleaf Virus Nepovirus GFLV 2
Peach Rosette Mosaic Virus Nepovirus PRMV 2
Tomato Black Ring Virus Nepovirus TBRV 4
Tomato Ringspot Virus Nepovirus ToRSV 10
Tobacco Ringspot Virus Nepovirus TRSV 12
false hemlock looper Nepytia canosaria 4
oleander Nerium oleander 12
burmareed Neyraudia reynaudiana 4
southern green stink bug Nezara viridula 12
apple-of-Peru Nicandra physalodes 9
manyflower tobacco Nicotiana acuminata var. multiflora 4
tree tobacco Nicotiana glauca 10
Indian tobacco Nicotiana quadrivalvis 3
large yellow underwing Noctua pronuba 6
Jamaican giant anole Norops garmani 1
slender false garlic Nothoscordum gracile 4
Potato Yellow Dwarf Virus Nucleorhabdovirus PYDV 5
helmeted guineafowl Numida meleagris 4
yellow pond-lily Nuphar lutea 12
Rocky Mountain pond-lily Nuphar lutea ssp. polysepala 8
Rocky Mountain pond-lily Nuphar lutea ssp. polysepala 2
Canada toadflax Nuttallanthus canadensis 6
Texas toadflax Nuttallanthus texanus 12
Mexican waterlily Nymphaea mexicana 2
fragrant waterlily Nymphaea odorata 10
California tortoiseshell Nymphalis californica 2
big floatingheart Nymphoides aquatica 12
crested floating heart Nymphoides cristata 4
yellow floating heart Nymphoides peltata 12
wheat bug Nysius huttoni 12
rutherglen bug Nysius vinitor 1
blackgum Nyssa sylvatica 12
poplar twig borer Oberea delongi 4
leafy spurge stem boring beetle Oberea erythrocephala 4
sumac stem borer Oberea ocellata 1
eyed longhorn beetle Oberea oculata 2
raspberry cane borer Oberea perspicillata 1
long-horned beetle Oberea pupillata 2
sassafras borer Oberea ruficollis 5
poplar branch borer Oberea schaumii 2
dogwood twig borer Oberea tripunctata 4
white-tailed deer Odocoileus virginianus 12
yellow poplar weevil Odontopus calceatus 6
locust leafminer Odontota dorsalis 11
Java waterdropwort Oenanthe javanica 2
prairie evening-primrose Oenothera albicaulis 1
common evening-primrose Oenothera biennis 10
cutleaf evening-primrose Oenothera laciniata 10
showy evening-primrose Oenothera speciosa 12
baccharis borer Oidaematophorus balanotes 2
goldenrod borer Oidaematophorus kellicottii 1
walking cicada Okanagana synodica 1
old world diamond-flower Oldenlandia corymbosa 4
olive Olea europaea 12
spruce spider mite Oligonychus ununguis 12
comb-clawed beetle Omophlus lepturoides 7
twig girdler Oncideres cingulata 6
huisache girdler Oncideres pustulata 1
rainbow trout Oncorhynchus mykiss 2
Tomentosus root disease Onnia tomentosus 6
sensitive fern Onoclea sensibilis 12
Scotch thistle Onopordum acanthium 18
horse thistle Onopordum acaulon 4
Illyrian cottonthistle Onopordum illyricum 3
bull cottonthistle Onopordum tauricum 12
bruce spanworm Operophtera bruceata 1
winter moth Operophtera brumata 8
bean fly Ophiomyia phaseoli 2
spring dead spot Ophiosphaerella korrae 4
blue stain Ophiostoma huntii 1
blue stain Ophiostoma ips 2
Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi 5
blue stain Ophiostoma piceae 4
Dutch elm disease Ophiostoma ulmi 12
black stain root disease Ophiostoma wageneri 6
bristle basketgrass Oplismenus hirtellus 8
wavyleaf basketgrass Oplismenus hirtellus ssp. undulatifolius 12
banana moth Opogona sacchari 12
jointed prickly pear Opuntia aurantiaca 4
Texas pricklypear Opuntia engelmannii var. lindheimeri 11
tuna cactus Opuntia ficus-indica 12
brittle pricklypear Opuntia fragilis 8
spreading pricklypear Opuntia humifusa 5
walkingstick cholla Opuntia imbricata 6
plains pricklypear Opuntia polyacantha 12
fruit piercing moth Oraesia emarginata 4
Australian citrus whitefly Orchamoplatus citri 4
rusty crayfish Orconectes rusticus 7
blue tilapia Oreochromis aureus 1
Mozambique tilapia Oreochromis mossambicus 1
Nile tilapia Oreochromis niloticus 1
rusty tussock moth Orgyia antiqua 3
whitemarked tussock moth Orgyia leucostigma 16
Douglas-fir tussock moth Orgyia pseudotsugata 6
wild marjoram Origanum vulgare 1
spiny caterpillar Ormiscodes cinnamomea 4
star-of-Bethlehem Ornithogalum umbellatum 8
Egyptian broomrape Orobanche aegyptiaca 6
nodding broomrape Orobanche cernua 3
desert broomrape Orobanche cooperi 2
crenate broomrape Orobanche crenata 8
sunflower broomrape Orobanche cumana 3
small broomrape Orobanche minor 8
branched broomrape Orobanche ramosa 8
broomrape Orobanche spp. 1
goldenclub Orontium aquaticum 12
bark beetle Orthotomicus angulatus 7
bark beetle Orthotomicus caelatus 6
Mediterranean pine engraver beetle Orthotomicus erosus 12
lesser larch bark-beetle Orthotomicus laricis 9
bark beetles Orthotomicus spp. 3
bark beetle Orthotomicus suturalis 6
European rabbit (feral) Oryctolagus cuniculus (feral type) 4
longstamen rice Oryza longistaminata 2
red rice Oryza punctata 1
brown-beard rice Oryza rufipogon 12
rice Oryza sativa 8
sawtoothed grain beetle Oryzaephilus surinamensis 4
rainbow smelt Osmerus mordax 1
cinnamon fern Osmunda cinnamomea 12
arawana Osteoglossum bicirrhosum 2
Cuban treefrog Osteopilus septentrionalis 4
blue and white daisybush Osteospermum ecklonis 1
European corn borer Ostrinia nubilalis 8
milk snail Otala lactea 3
black vine weevil Otiorhynchus sulcatus 2
duck-lettuce Ottelia alismoides 12
cereal leaf beetle Oulema melanopus 8
Ovachlamys fulgens Ovachlamys fulgens 8
creeping woodsorrel Oxalis corniculata 11
buttercup oxalis Oxalis pes-caprae 9
windowbox woodsorrel Oxalis rubra 2
yellow woodsorrel Oxalis stricta 12
violet woodsorrel Oxalis violacea 12
cottonseed bug Oxycarenus hyalinipennis 8
Cuban bulrush Oxycaryum cubense 3
melaleuca leaf weevil Oxyops vitiosa 4
mossy maple polypore Oxyporus populinus 4
Lambert crazyweed Oxytropis lambertii 12
white locoweed Oxytropis sericea 12
showy locoweed Oxytropis splendens 12
hoop-pine borer Pachycotes australis 9
bark beetle Pachycotes peregrinus 9
pitch-eating weevil Pachylobius picivorus 5
hackberry nipplegall maker Pachypsylla celtidismamma 6
Japanese pachysandra Pachysandra terminalis 12
golden ragwort Packera aurea 4
cressleaf groundsel Packera glabella 4
balsam groundsel Packera paupercula 8
skunk-vine Paederia foetida 12
bark beetles Pagiocerus spp. 1
spring cankerworm Paleacrita vernata 2
bamboo mealybug Palmicultor lumpurensis 3
chestnut leafroller Pammene fasciana 2
barred fruit-tree tortrix Pandemis cerasana 4
dark fruit-tree tortrix Pandemis heparana 8
dark fruit-tree tortrix Pandemis heperana 1
blue panicum Panicum antidotale 6
witchgrass Panicum capillare 11
fall panicum Panicum dichotomiflorum 11
maidencane Panicum hemitomon 4
wild-proso millet Panicum miliaceum 8
torpedograss Panicum repens 16
switchgrass Panicum virgatum 6
pine beauty moth Panolis flammea 12
Pantoea rot and blight Pantoea ananatis pv. ananatis 11
Pantoea rot and blight Pantoea ananatis pv. ananatis 12
Stewart's wilt Pantoea stewartii 4
Stewart's wilt Pantoea stewartii ssp. stewartii 2
Fuller rose beetle Pantomorus cervinus 5
burdock borer Papaipema cataphracta 2
stalk borer Papaipema nebris 2
field poppy Papaver dubium 2
corn poppy Papaver rhoeas 4
opium poppy Papaver somniferum 1
citrus swallowtail Papilio demodocus 2
lime swallowtail Papilio demoleus 3
harris's hawk Parabuteo unicinctus 4
jaguar guapote Parachromis managuensis 1
maple leafcutter Paraclemensia acerifoliella 2
papaya mealybug Paracoccus marginatus 9
isopod Paradella dianae 1
balsam gall midge Paradiplosis tumifex 2
cottonwood clearwing borer Paranthrene dollii 3
western poplar clearwing Paranthrene robiniae 3
dusky clearwing Paranthrene tabaniformis 8
lobate lac scale Paratachardina pseudolobata 8
crazy ant Paratrechina longicornis 4
stubby root nematode Paratrichodorus minor 3
potato/tomato psyllid Paratrioza cockerelli 16
broadleaf glandweed Parentucellia latifolia 1
yellow glandweed Parentucellia viscosa 8
Mexican palo-verde Parkinsonia aculeata 8
black parlatoria scale Parlatoria ziziphi 4
red-crested cardinal Paroaria coronata 1
Red-capped Cardinal Paroaria gularis 1
ragweed parthenium Parthenium hysterophorus 4
Virginia-creeper Parthenocissus quinquefolia 10
Boston ivy Parthenocissus tricuspidata 8
fletcher scale Parthenolecanium fletcheri 8
western wheatgrass Pascopyrum smithii 4
dallisgrass Paspalum dilatatum 8
knotgrass Paspalum distichum 8
Florida paspalum Paspalum floridanum 1
field paspalum Paspalum laeve 1
bahiagrass Paspalum notatum 8
tussock paspalum Paspalum quadrifarium 12
ricegrass paspalum Paspalum scrobiculatum 5
thin paspalum Paspalum setaceum 3
vaseygrass Paspalum urvillei 8
seashore paspalum Paspalum vaginatum 8
leaf mold Passalora fulva 12
late leaf spot Passalora personata 1
leaf spot Passalora sequoiae 8
house sparrow Passer domesticus 3
passionflower Passiflora edulis 12
redfruit passionflower Passiflora foetida 12
maypop passionflower Passiflora incarnata 8
golden bellapple Passiflora laurifolia 4
sweet granadilla Passiflora ligularis 4
yellow passionflower Passiflora lutea 4
corkystemmed passionflower Passiflora suberosa 8
banana passionflower Passiflora tripartita var. mollissima 2
wild parsnip Pastinaca sativa 6
princesstree Paulownia tomentosa 40
Indian peafowl Pavo cristatus 8
peafowl Pavo muticus 2
palm moth Paysandisia archon 8
pink bollworm Pectinophora gossypiella 3
African rue Peganum harmala 8
Peach Latent Mosaic Viroid Pelamoviroid PLMVd 3
white pelican Pelecanus onocrotalus 1
pink-backed pelican Pelecanus rufescens 2
arrow-arum Peltandra virginica 4
Giant Tiger Prawn Penaeus monodon 7
green mold Penicillium digitatum 8
blue mold Penicillium expansum 2
Peniophora decay Peniophora polygonia 1
buffelgrass Pennisetum ciliare 12
kikuyugrass Pennisetum clandestinum 8
pearl millet Pennisetum glaucum 8
African feathergrass Pennisetum macrourum 4
kyasumagrass Pennisetum pedicellatum 3
mission grass Pennisetum polystachion 12
mission grass Pennisetum polystachion ssp. setosum 1
elephant grass Pennisetum purpureum 12
crimson fountaingrass Pennisetum setaceum 11
fountaingrass Pennisetum spp. 4
feathertop Pennisetum villosum 3
Eaton penstemon Penstemon eatonii 3
ash heart rot Perenniporia fraxinophila 1
Perenniporia decay Perenniporia subacida 3
limb rust Peridermium filamentosum 4
variegated cutworm Peridroma saucia 16
perilla mint Perilla frutescens 12
green mussel Perna viridis 3
Philippine downy mildew Peronosclerospora philippinensis 4
downy mildew Peronospora antirrhini 1
downy mildew Peronospora hariotii 2
downy mildew Peronospora lamii 8
downy mildew Peronospora manshurica 16
downy mildew Peronospora parasitica 9
downy mildew of potentilla Peronospora potentillae 5
downy mildew Peronospora sparsa 14
blue mold Peronospora tabacina 16
metalic wood-boring beetle Perotis lugubris 1
avocado Persea americana 9
swamp smartweed Persicaria hydropiperoides 11
pale smartweed Persicaria lapathifolia 6
Oriental lady's thumb Persicaria longiseta 8
ladysthumb Persicaria maculosa 6
mile-a-minute vine Persicaria perfoliata 12
dotted smartweed Persicaria punctata 4
cultivated knotweed Persicaria wallichii 3
Pestalotiopsis leaf spot Pestalotiopsis palmarum 7
green porcelain crab Petrolisthes armatus 1
sea lamprey Petromyzon marinus 4
hairypink Petrorhagia dubia 1
parsley Petroselinum crispum 1
Miami mist Phacelia purshii 1
common snow mold Phacidium infestans 1
California flatheaded borer Phaenops californica 1
steelblue jewel beetle Phaenops cyanea 12
flatheaded fir borer Phaenops drummondi 1
hemlock borer Phaenops fulvoguttata 1
Swiss needle cast Phaeocryptopus gaeumannii 12
Schweinitzii root and butt disease Phaeolus schweinitzii 12
pine looper Phaeoura mexicanaria 1
soybean rust Phakopsora pachyrhizi 12
bulbous canarygrass Phalaris aquatica 4
reed canarygrass Phalaris arundinacea 8
canarygrass Phalaris canariensis 12
littleseed canarygrass Phalaris minor 8
hood canarygrass Phalaris paradoxa 3
common pheasant Phasianus colchicus 3
bigheaded ant Pheidole fervens 12
ant Pheidole teneriffana 4
canker rot Phellinus everhartii 7
root rot Phellinus hartigii 2
false tinder polypore Phellinus igniarius 11
brown root and collar rot Phellinus lamaënsis 6
brown root rot Phellinus noxius 7
red heart of pine Phellinus pini 6
Rimosus decay Phellinus robiniae 2
robustus conk Phellinus robustus 2
white heartwood rot Phellinus tremulae 6
laminated root disease Phellinus weirii 6
Amur corktree Phellodendron amurense 12
Giant day gecko Phelsuma madagascariensis grandis 1
Phialophora wilt Phialophora cinerescens 1
spiny looper Phigalia titea 1
soft scale Philephedra tuberculosa 2
golden polypody Phlebodium aureum 1
timothy Phleum pratense 8
bark beetle Phloeosinus armatus 2
eastern juniper bark beetle Phloeosinus bicolor 5
cedar bark beetles Phloeosinus spp. 6
Phloeosporella fungus Phloeosporella padi 9
olive bark beetle Phloeotribus scarabaeoides 2
bark beetles Phloeotribus spp. 4
greater flamingo Phoenicopterus ruber 8
Canary Island date palm Phoenix canariensis 4
date palm Phoenix dactylifera 1
Senegal date palm Phoenix reclinata 1
yellow cap fungi Pholiota spp. 2
scaly pholiota Pholiota squarrosa 11
Phoma blight Phoma exigua var. exigua 4
Phoma blight Phoma macdonaldii 3
Phoma blight Phoma medicaginis 1
pink root of onion Phoma terrestris 12
mal secco Phoma tracheiphila 3
Phomopsis blight Phomopsis juniperivora 5
Phomopsis leaf blight and fruit rot Phomopsis obscurans 12
Phomopsis cankers and twig blights Phomopsis spp. 12
fruit rot Phomopsis vexans 1
Phomopsis cane and leaf spot Phomopsis viticola 10
eucalyptus borer Phoracantha recurva 1
eucalyptus longhorned borer Phoracantha semipunctata 5
juniper mistletoe Phoradendron juniperinum 3
fir mistletoe Phoradendron pauciflorum 1
mistletoes Phoradendron spp. 5
Pacific mistletoe Phoradendron villosum 9
Pacific mistletoe Phoradendron villosum 8
New Zealand flax Phormium tenax 2
rose rust Phragmidium mucronatum 2
bramble leaf rust Phragmidium violaceum 4
common reed Phragmites australis 13
Texas horned lizard Phrynosoma cornutum 4
tobacco splitworm Phthorimaea operculella 8
northern fogfruit Phyla lanceolata 1
mat lippia Phyla nodiflora 9
tar spot Phyllachora afzeliae 2
powdery mildew Phyllactinia guttata 5
powdery mildew Phyllactinia spp. 4
niruri Phyllanthus niruri 5
chamber bitter Phyllanthus urinaria 9
European snout beetle Phyllobius oblongus 2
citrus leafminer Phyllocnistis citrella 12
aspen leafminer Phyllocnistis populiella 2
citrus rust mite Phyllocoptruta oleivora 1
aspen blotchminer Phyllonorycter apparella 8
May-June beetles Phyllophaga spp. 12
Australian spotted jellyfish Phyllorhiza punctata 2
golden bamboo Phyllostachys aurea 12
yellow groove bamboo Phyllostachys aureosulcata 8
eye spot Phyllosticta minima 13
Apple blotch Phyllosticta solitaria 4
Phyllosticta leaf spots Phyllosticta spp. 1
Phyllosticta leaf spot Phyllosticta vaccinii 9
hickory gall phylloxera Phylloxera caryaecaulis 1
tanbark borer Phymatodes testaceus 9
Phymatotrichum root rot Phymatotrichopsis omnivora 3
sharpleaf groundcherry Physalis acutifolia 4
strawberry groundcherry Physalis alkekengi 1
cutleaf groundcherry Physalis angulata 8
clammy groundcherry Physalis heterophylla 2
clammy groundcherry Physalis heterophylla 1
smooth groundcherry Physalis longifolia var. subglabrata 12
Peruvian groundcherry Physalis peruviana 8
tomatillo groundcherry Physalis philadelphica 8
Virginia groundcherry Physalis virginiana 2
black canker Physalospora miyabeana 1
brown spot of corn Physoderma maydis 3
spruce bud scale Physokermes piceae 1
birch cambium miner Phytobia betulivora 1
cambium miners Phytobia spp. 1
common pokeweed Phytolacca americana 12
cyclamen mite Phytonemus pallidus 1
Phytophthora disease of alders Phytophthora alni 12
Phytophthora root and crown rot Phytophthora cambivora 11
Phytophthora blight Phytophthora capsici 7
Phytophthora root rot Phytophthora cinnamomi 12
leaf blight of taro Phytophthora colocasiae 3
Phytophthora root and stem rot Phytophthora drechsleri 15
red stele Phytophthora fragariae 4
Red stele root rot of strawberry Phytophthora fragariae var. fragariae 2
Phytophthora kernoviae Phytophthora kernoviae 8
Phytophthora root disease of Port Orford cedar Phytophthora lateralis 3
Phytophthora root and stem rot Phytophthora megasperma 4
Phytophthora basal canker Phytophthora palmivora 5
sudden oak death - mating type 2 Phytophthora ramorum Mating Type 2 1
sudden oak death Phytophthora ramorum 12
Root and stem rot Phytophthora sojae 1
Phytophthora root and crown rots Phytophthora spp. 3
Phytophthora tropicalis Phytophthora tropicalis 4
Elm yellows Phytoplasma 1
red-bellied pacu Piaractus brachypomus 4
Norway spruce Picea abies 8
white spruce Picea glauca 12
hawkweed oxtongue Picris hieracioides 1
large white butterfly Pieris brassicae 8
cabbage white Pieris rapae 12
yellowheaded spruce sawfly Pikonema alaskensis 3
artilleryweed Pilea microphylla 1
clearweed Pilea pumila 3
red pine adelgid Pineus boerneri 2
pine leaf adelgid Pineus pinifoliae 3
pine and spruce adelgids Pineus spp. 1
pine bark adelgid Pineus strobi 8
tall lodgepole pine Pinus contorta var. latifolia 3
Honduras pine Pinus elliottii var. elliottii 4
Jeffrey pine Pinus jeffreyi 4
maritime pine Pinus pinaster 8
ponderosa pine Pinus ponderosa 8
Monterey pine Pinus radiata 12
eastern white pine Pinus strobus 8
eastern white pine Pinus strobus 7
eastern white pine Pinus strobus 8
Scots pine Pinus sylvestris 8
Japanese black pine Pinus thunbergii 1
white-crowned parrot Pionus senilis 1
smilograss Piptatherum miliaceum 4
birch conk Piptoporus betulinus 2
small banded pine weevil Pissodes castaneus 12
Norway spruce weevil Pissodes harcyniae 5
eastern pine weevil Pissodes nemorensis 6
European silver fir weevil Pissodes piceae 12
Pissodes weevil Pissodes pini 12
Pissodes weevil Pissodes piniphilus 8
Yosemite bark weevil Pissodes schwarzi 1
white pine weevil Pissodes strobi 12
lodgepole terminal weevil Pissodes terminalis 6
pine cone weevil Pissodes validirostris 1
water lettuce Pistia stratiotes 15
Great Kiskadee Pitangus sulphuratus 4
monkeypod Pithecellobium dulce 5
Australian cheesewood Pittosporum undulatum 8
two-toothed pine beetle Pityogenes bidentatus 8
bark beetle Pityogenes bistridentatus 3
six-toothed spruce bark beetle Pityogenes chalcographus 12
chestnet brown bark beetle Pityogenes hopkinsi 2
bark beetle Pityogenes quadridens 5
bark beetles Pityogenes spp. 4
silver fir bark beetle Pityokteines curvidens 9
bark beetle Pityokteines spinidens 9
bark beetles Pityokteines spp. 3
European fir engraver beetle Pityokteines vorontzowi 7
bark beetle Pityophthorus aquilus 2
walnut twig beetle Pityophthorus juglandis 12
bark beetle Pityophthorus lichtensteinii 7
fir bark beetle Pityophthorus pityographus 12
twig beetles Pityophthorus spp. 2
silk-grass Pityopsis graminifolia 12
Dixie silverback fern Pityrogramma calomelanos 1
imported willow leaf beetle Plagiodera versicolora 12
long-horned beetle Plagionotus arcuatus 2
lucerene longicorn Plagionotus floralis 4
euphorbia pit scale Planchonia stentae 3
citrus mealybug Planococcus citri 1
vine mealybug Planococcus ficus 1
coffee mealybug Planococcus lilacinus 7
passionvine mealybug Planococcus minor 12
bracted plantain Plantago aristata 7
buckhorn plantain Plantago coronopus 3
buckhorn plantain Plantago lanceolata 9
broadleaf plantain Plantago major 7
woolly plantain Plantago patagonica 1
blackseed plantain Plantago rugelii 12
plantains Plantago spp. 1
paleseed plantain Plantago virginica 7
club root of crucifers Plasmodiophora brassicae 6
downy mildew Plasmopara halstedii 20
downy mildew Plasmopara obducens 7
downy mildew Plasmopara viburni 3
downy mildew Plasmopara viticola 16
Eurasian spoonbill Platalea leucorodia 1
orbiculate batfish Platax orbicularis 1
tufted apple bud moth Platynota idaeusalis 1
New Zealand pinhole borer Platypus apicalis 7
pinhole borer Platypus cylindrus 12
pinhole borer Platypus imparidens 3
common ambrosia beetle Platypus parallelus 7
pinhole borer Platypus spp. 12
Wilson's white-headed ambrosia beetle Platypus wilsoni 9
Plectosporium blight Plectosporium tabacinum 8
cottonwood borer Plectrodera scalator 6
balsam shootboring sawfly Pleroneura brunneicornis 3
oyster mushroom Pleurotus ostreatus 3
Indianmeal moth Plodia interpunctella 8
Ploioderma needle cast of pine Ploioderma lethale 3
stinkweed Pluchea camphorata 5
cure for all Pluchea carolinensis 4
Indian camphorweed Pluchea indica 8
diamondback moth Plutella xylostella 8
annual bluegrass Poa annua 7
bulbous bluegrass Poa bulbosa 9
Canada bluegrass Poa compressa 9
wood bluegrass Poa nemoralis 2
Kentucky bluegrass Poa pratensis 10
Kentucky bluegrass Poa pratensis ssp. pratensis 4
roughstalk bluegrass Poa trivialis 1
maple webworm Pococera asperatella 2
pine webworm Pococera robustella 5
ash borer Podosesia syringae 6
powdery mildew Podosphaera fuliginea 16
powdery mildew Podosphaera leucotricha 12
powdery mildew Podosphaera macularis 8
powdery mildew Podosphaera pannosa 9
powdery mildew Podosphaera xanthii 8
eastern poplar buprestid Poecilonota cyanipes 4
bearded dragon Pogona vitticeps 1
long-horned beetle Pogonocherus fasciculatus 8
harvester ants Pogonomyrmex spp. 1
roughseed clammyweed Polanisia dodecandra 8
blue Jacob's-ladder Polemonium caeruleum 1
Potato Leaf Roll Virus Polerovirus PLRV 3
paper wasp Polistes dominula 16
fourleaf manyseed Polycarpon tetraphyllum 1
smooth Solomon's seal Polygonatum biflorum 12
water knotweed Polygonum amphibium 14
longroot smartweed Polygonum amphibium var. emersum 2
water smartweed Polygonum amphibium var. stipulaceum 1
oval-leaf knotweed Polygonum arenastrum 2
silversheath knotweed Polygonum argyrocoleon 3
prostrate knotweed Polygonum aviculare 9
blackfringe knotweed Polygonum cilinode 4
marshpepper smartweed Polygonum hydropiper 3
Pennsylvania smartweed Polygonum pensylvanicum 8
Polygonum perfoliatum 5
hedge smartweed Polygonum scandens 1
small spruce bark beetle Polygraphus poligraphus 6
bark beetles Polygraphus spp. 3
broad mite Polyphagotarsonemus latus 6
tenlined June beetle Polyphylla decemlineata 1
ditch polypogon Polypogon interruptus 4
rabbitfoot polypogon Polypogon monspeliensis 9
water-bent Polypogon viridis 4
polypore fungus Polyporus arcularius 2
Dryad's Saddle Polyporus squamosus 1
rustweed Polypremum procumbens 10
western swordfern Polystichum munitum 4
small banana weevil Polytus mellerborgii 2
blue ringed angelfish Pomacanthus annularis 1
emperor angelfish Pomacanthus imperator 2
yellowbar angelfish Pomacanthus maculosus 1
bluefaced angelfish Pomacanthus xanthometopon 1
spiketop applesnail Pomacea diffusa 2
island applesnail Pomacea maculata 8
trifoliate orange Poncirus trifoliata 24
pickerelweed Pontederia cordata 10
Japanese beetle Popillia japonica 16
white poplar Populus alba 10
balsam poplar Populus balsamifera 12
eastern cottonwood Populus deltoides 9
Lombardy poplar Populus nigra 8
European aspen Populus tremula 8
quaking aspen Populus tremuloides 12
gray poplar Populus x canescens 1
damp wood termite Porotermes adamsoni 6
Purple Swamphen Porphyrio porphyrio 2
common purslane Portulaca oleracea 9
pink purslane Portulaca pilosa 9
Chrysanthemum Stunt Viroid Pospiviroid CSVd 4
Potato Spindle Tuber Viroid Pospiviroid PSTVd 8
curly-leaved pondweed Potamogeton crispus 7
waterthread pondweed Potamogeton diversifolius 8
American pondweed Potamogeton nodosus 12
New Zealand mud snail Potamopyrgus antipodarum 4
white cinquefoil Potentilla arguta 8
dwarf cinquefoil Potentilla canadensis 3
slender cinquefoil Potentilla gracilis 9
rough cinquefoil Potentilla norvegica 12
sulfur cinquefoil Potentilla recta 8
oldfield cinquefoil Potentilla simplex 4
Hosta Virus X Potexvirus HVX 1
Bean Common Mosaic Virus Potyvirus BCMV 12
Maize Dwarf Mosaic Virus Potyvirus MDMV 1
Peanut Mottle Virus Potyvirus PeMoV 13
Pepper Mottle Virus Potyvirus PepMoV 1
Plum Pox Virus - D-Strain Potyvirus PPV D Strain 1
Papaya Ringspot Virus Potyvirus PRV 3
Potato Virus Y Potyvirus PVY 8
Tulip Breaking Virus Potyvirus TBV 5
Tobacco Etch Virus Potyvirus TEV 12
Turnip Mosaic Virus Potyvirus TuMV 2
Tobacco Vein Mottling Virus Potyvirus TVMV 3
canistel Pouteria campechiana 4
vagrant scrubsnail Praticolella griseola 3
Andean potato weevils Premnotrypes spp. 1
Andean potato weevil Premnotrypes suturicallus 1
little carpenterworm Prionoxystus macmurtrei 1
carpenterworm Prionoxystus robiniae 6
California prionus Prionus californicus 1
sawying suport beetle Prionus coriarius 2
giant root borers Prionus spp. 12
small spruce fly Pristiphora abietina 2
larch sawfly Pristiphora erichsonii 6
mountain-ash sawfly Pristiphora geniculata 2
devil's-claw Proboscidea louisianica 12
Louisiana red crayfish Procambarus clarkii 2
crawfish Procambarus spp. 4
woolly alder aphid Prociphilus tessellatus 4
alapataco Prosopis alpataco 4
algarobilla Prosopis argentina 4
mesquite Prosopis burkartii 3
calden Prosopis caldenia 4
cusqui Prosopis calingastana 2
algarrobillo Prosopis campestris 4
mesquite Prosopis castellanosii 3
algarrobo patagonica Prosopis denudans 4
algarrobillo Prosopis elata 4
Syrian mesquite Prosopis farcta 7
churqui Prosopis ferox 4
mesquite Prosopis fiebrigii 4
algarrobo paraguayo Prosopis hassleri 3
algarrobilla Prosopis humilis 3
mesquite Prosopis juliflora 1
barbe de tigre Prosopis kuntzei 4
kiawe Prosopis pallida 4
palo de hierro Prosopis palmeri 3
tornillo Prosopis reptans 1
mastuerzo Prosopis reptans reptans 2
tornillo Prosopis reptans var. cinerascens 4
mesquite Prosopis rojasiana 4
mesquite Prosopis ruizlealii 4
vinal Prosopis ruscifolia 4
albardon Prosopis sericantha 3
mesquite Prosopis spp. 2
Argentine screwbean Prosopis strombulifera 4
lata Prosopis torquata 4
velvet mesquite Prosopis velutina 1
larger grain borer Prostephanus truncatus 8
maple twig borer Proteoteras aesculana 1
boxelder twig borer Proteoteras willingana 1
common selfheal Prunella vulgaris 11
American plum Prunus americana 12
Chickasaw plum Prunus angustifolia 12
sweet cherry Prunus avium 8
cherry plum Prunus cerasifera 8
sour cherry Prunus cerasus 2
garden plum Prunus domestica 8
bitter cherry Prunus emarginata 2
cherry laurel Prunus laurocerasus 8
Mahaleb cherry Prunus mahaleb 8
European bird cherry Prunus padus 8
pin cherry Prunus pensylvanica 8
peach Prunus persica 12
black cherry Prunus serotina 12
blackthorn Prunus spinosa 8
common chokecherry Prunus virginiana 11
euonymus leaf notcher Pryeria sinica 5
camphor scale Pseudaonidia duplex 4
peony scale Pseudaonidia paeoniae 1
magnolia white scale Pseudaulacaspis cockerelli 2
white peach scale Pseudaulacaspis pentagona 8
white prunicola scale Pseudaulacaspis prunicola 4
Monterey pine ips Pseudips mexicanus 10
Pseudocercospora leaf spot Pseudocercospora vitis 2
foot rot Pseudocercosporella herpotrichoides 2
two-banded Japanese weevil Pseudocneorhinus bifasciatus 3
Comstock mealybug Pseudococcus comstocki 2
longtailed mealybug Pseudococcus longispinus 8
Jersey cudweed Pseudognaphalium luteoalbum 8
cottonbatting plant Pseudognaphalium stramineum 4
Douglas-fir pole beetle Pseudohylesinus nebulosus 1
bark beetles Pseudohylesinus spp. 1
bark beetle Pseudohylesinus variegatus 1
aphid Pseudomegoura magnoliae 4
bacterial leaf spot Pseudomonas cichorii 8
bacterial blight Pseudomonas savastanoi pv. glycinea 15
halo blight Pseudomonas savastanoi pv. phaseolicola 12
bacterial leaf spot Pseudomonas syringae 16
bacterial blight Pseudomonas syringae pv. aptata 5
angular leaf spot of cucumber Pseudomonas syringae pv. lachrymans 9
bacterial blight Pseudomonas syringae pv. mori 1
bacterial blight Pseudomonas syringae pv. pisi 1
bacterial brown spot of bean/canker of stone fruit, twig blight Pseudomonas syringae pv. syringae 12
wildfire of tobacco Pseudomonas syringae pv. tabaci 13
bacterial leaf streak and bulb rot Pseudomonas viridiflava 11
downy mildew Pseudoperonospora cubensis 12
alfalfa leaf spot Pseudopeziza medicaginis 3
clover leaf spot Pseudopeziza trifolii 1
bark beetles Pseudopityophthorus spp. 1
soybean looper Pseudoplusia includens 8
bark beetles Pseudothysanoes spp. 1
Douglas-fir Pseudotsuga menziesii 12
strawberry guava Psidium cattleianum 5
guava Psidium guajava 12
red-breatsed parakeet Psittacula alexandri 1
Alexandrine parakeet Psittacula eupatria 2
rose-ringed parakeet Psittacula krameri 2
branch pruner Psyrassa unicolor 2
hoptree Ptelea trifoliata 12
brackenfern Pteridium aquilinum 13
hairy brackenfern Pteridium aquilinum var. pubescens 2
granulated catfish Pterodoras granulosus 1
lionfish Pterois volitans 4
freshwater angelfish Pterophyllum scalare 1
vermiculated sailfin catfish Pterygoplichthys disjunctivus 3
Orinoco sailfin catfish Pterygoplichthys multiradiatus 1
plum stem excavator Ptosima undecimmaculata 1
ptychosperma Ptychosperma elegans 12
rust Puccinia antirrhini 8
rust Puccinia aristidae 14
safflower rust Puccinia calcitrapae var. centaureae 1
crown rust Puccinia coronata 12
wheat stem rust Puccinia graminis 8
daylily rust Puccinia hemerocallidis 9
rust Puccinia hordei 3
chrysanthemum white rust Puccinia horiana 12
rust Puccinia lantanae 8
rust Puccinia malvacearum 12
mint rust Puccinia menthae 8
lemongrass rust Puccinia nakanishikii 8
rust Puccinia pelargonii-zonalis 2
Southern corn rust Puccinia polysora 6
guava rust Puccinia psidii 12
wheat leaf rust Puccinia recondita 12
ash rusts Puccinia sparganioides 4
stripe rust Puccinia striiformis f.sp. tritici 4
stripe rust Puccinia striiformis 12
cherry-spruce rust Pucciniastrum areolatum 12
needle rust Pucciniastrum goeppertianum 1
fir needle rusts Pucciniastrum spp. 3
kudzu Pueraria montana 4
kudzu Pueraria montana var. lobata 35
cottony maple scale Pulvinaria innumerabilis 1
Mexican corn cyst nematode Punctodera chalcoensis 4
pomegranate Punica granatum 12
long-horned beetle Purpuricenus kaehleri 2
bark beetles Pycnarthrum spp. 1
red piranha Pygocentrus nattereri 2
flathead catfish Pylodictis olivaris 4
narrowleaf firethorn Pyracantha angustifolia 4
scarlet firethorn Pyracantha coccinea 4
formosa firethorn Pyracantha koidzumii 16
firethorn Pyracantha spp. 1
barley leaf stripe Pyrenophora graminea 1
sugarcane leafhopper Pyrilla perpusilla 1
heart rot Pyrofomes demidoffii 1
viburnum leaf beetle Pyrrhalta viburni 12
long-horned beetle Pyrrhidium sanguineum 3
Carolina falsedandelion Pyrrhopappus carolinianus 4
Callery pear (Bradford pear) Pyrus calleryana 17
common pear Pyrus communis 2
pod rot Pythium myriotylum 3
Pythium diseases Pythium spp. 6
Blood python Python curtus 4
Burmese python Python molurus ssp. bivittatus 8
erythrina gall wasp Quadrastichus erythrinae 8
sawtooth oak Quercus acutissima 12
white oak Quercus alba 12
southern red oak Quercus falcata 12
Texas live oak Quercus fusiformis 1
Gambel oak Quercus gambelii 12
scrub live oak Quercus geminata 12
bluejack oak Quercus incana 8
California black oak Quercus kelloggii 2
turkey oak Quercus laevis 12
laurel oak Quercus laurifolia 4
bur oak Quercus macrocarpa 12
blackjack oak Quercus marilandica 12
myrtle oak Quercus myrtifolia 16
myrtle oak Quercus myrtifolia 8
water oak Quercus nigra 12
pin oak Quercus palustris 12
willow oak Quercus phellos 8
running oak Quercus pumila 4
English oak Quercus robur 4
post oak Quercus stellata 12
turbinella oak Quercus turbinella 4
live oak Quercus virginiana 12
purple groundcherry Quincula lobata 3
Rangoon creeper Quisqualis indica 3
burrowing nematode Radopholus similis 6
laurel wilt Raffaelea lauricola 12
Southern bacterial wilt Ralstonia solanacearum (except Race 3 Biovar 2) 12
Southern bacterial wilt - Race 1 Ralstonia solanacearum Race 1 1
Southern bacterial wilt Ralstonia solanacearum Race 3 Biovar 2 8
Keel-billed Toucan Ramphastos sulfuratus 2
Toco Toucan Ramphastos toco 4
brahminy blind snake Ramphotyphlops braminus 2
smallflower buttercup Ranunculus abortivus 3
tall buttercup Ranunculus acris 12
corn buttercup Ranunculus arvensis 2
spinyfruit buttercup Ranunculus muricatus 3
creeping buttercup Ranunculus repens 10
hairy buttercup Ranunculus sardous 4
red palm mite Raoiella indica 4
veined rapa whelk Rapana venosa 8
wild radish Raphanus raphanistrum 8
radish Raphanus sativus 10
turnipweed Rapistrum rugosum 12
upright prairie coneflower Ratibida columnifera 10
pinnate prairie coneflower Ratibida pinnata 2
Norway rat Rattus norvegicus 1
yellow mignonette Reseda lutea 2
eastern subterranean termite Reticulitermes flavipes 4
northern pitch twig moth Retinia albicapitana 1
Rhabdocline needlecasts Rhabdocline spp. 5
ribbed pine borer Rhagium inquisitor 12
Blackspotted pliers support beetle Rhagium mordax 1
walnut husk fly Rhagoletis completa 1
blueberry maggot Rhagoletis mendax 1
apple maggot Rhagoletis pomonella 8
European buckthorn Rhamnus cathartica 16
buckthorn Rhamnus spp. 8
Russian knapweed Rhaponticum repens 9
spear-marked black moth Rheumaptera hastata 3
cherry scallop shell moth Rheumaptera prunivorata 2
bursa triggerfish Rhinecanthus verrucosus 1
cane toad Rhinella marina 8
crown gall Rhizobium radiobacter 12
hairy root disease Rhizobium rhizogenes 1
sheath spot of rice Rhizoctonia oryzae 2
Rhizoctonia damping-off, blight and rot Rhizoctonia solani 12
leaf and sheath spot Rhizoctonia zeae 8
red mangrove Rhizophora mangle 8
bread mold Rhizopus stolonifer 11
Rhizosphaera needle cast Rhizosphaera kalkhoffii 8
rhodora Rhododendron canadense 4
rose myrtle Rhodomyrtus tomentosa 12
jetbead Rhodotypos scandens 12
dwarf sumac Rhus copallinum 10
smooth sumac Rhus glabra 11
staghorn sumac Rhus hirta 8
European pine shoot moth Rhyacionia buoliana 12
western pine tip moth Rhyacionia bushnelli 1
Nantucket pine tip moth Rhyacionia frustrana 6
subtropical pine tip moth Rhyacionia subtropica 1
Chilean pine spider weevil Rhyephenes humeralis 4
red palm weevil Rhynchophorus ferrugineus 7
American palm weevil Rhynchophorus palmarum 4
whitetop sedge Rhynchospora colorata 6
giant whitetop sedge Rhynchospora latifolia 4
barley scald Rhynchosporium secalis 5
tar spot of maple Rhytisma acerinum 16
tar spot Rhytisma americanum 2
tar spot Rhytisma punctatum 1
tar spot Rhytisma salicinum 1
American black currant Ribes americanum 3
golden currant Ribes aureum 8
wax currant Ribes cereum 2
pasture gooseberry Ribes cynosbati 3
whitestem gooseberry Ribes inerme 2
cultivated currant Ribes rubrum 12
currant Ribes spp. 1
sticky currant Ribes viscosissimum 3
Florida pusley Richardia scabra 9
castorbean Ricinus communis 11
ravennagrass Ripidium ravennae 12
bloodberry Rivina humilis 4
bristly locust Robinia hispida 4
black locust Robinia pseudoacacia 18
long-horned beetle Ropalopus femoratus 1
long-horned beetle Ropalopus insubricus 1
amphibious yellowcress Rorippa amphibia 8
Austrian fieldcress Rorippa austriaca 4
curvepod yellowcress Rorippa curvisiliqua 4
marsh yellowcress Rorippa palustris 8
yellow fieldcress Rorippa sylvestris 3
prickly rose Rosa acicularis 1
Macartney rose Rosa bracteata 7
dog rose Rosa canina 7
sweetbriar rose Rosa eglanteria 4
French rose Rosa gallica 4
Cherokee rose Rosa laevigata 12
multiflora rose Rosa multiflora 23
Seaside rose Rosa rugosa 5
Scottish rose Rosa spinosissima 8
memorial rose Rosa wichuraiana 1
Woods' rose Rosa woodsii 10
Rosalia longicorn Rosalia alpina 4
banded alder borer Rosalia funebris 6
Mediterranean hairgrass Rostraria cristata 3
Mediterranean hairgrass Rostraria cristata 4
roundleaf toothcup Rotala rotundifolia 12
itchgrass Rottboellia cochinchinensis 10
Allegheny blackberry Rubus allegheniensis 3
highbush blackberry Rubus argutus 8
Himalaya blackberry Rubus armeniacus 8
sand blackberry Rubus cuneifolius 4
northern dewberry Rubus flagellaris 7
European blackberry Rubus fruticosus 8
bristly dewberry Rubus hispidus 4
European red raspberry Rubus idaeus 12
cutleaf blackberry Rubus laciniatus 9
whitebark raspberry Rubus leucodermis 3
Molucca raspberry Rubus moluccanus 4
western thimbleberry Rubus parviflorus 12
Pennsylvania blackberry Rubus pensilvanicus 1
wine raspberry Rubus phoenicolasius 8
West Indian raspberry Rubus rosifolius 4
cane fruit (blackberry, raspberry) Rubus spp. 12
southern dewberry Rubus trivialis 1
elmleaf blackberry Rubus ulmifolius 3
California blackberry Rubus ursinus 4
black-eyed susan Rudbeckia hirta 12
cutleaf coneflower Rudbeckia laciniata 12
wild petunia Ruellia caroliniensis 4
Britton's wild petunia Ruellia simplex 2
red sorrel Rumex acetosella 10
cluster dock Rumex conglomeratus 4
curly dock Rumex crispus 7
toothed dock Rumex dentatus 3
heartwing sorrel Rumex hastatulus 1
Kerner's dock Rumex kerneri 4
broadleaf dock Rumex obtusifolius 8
fiddleleaf dock Rumex pulcher 2
dock Rumex spp. 4
veiny dock Rumex venosus 5
potato psyllid Russelliana solanicola 1
Tasmanian wallaby grass Rytidosperma biannulare 2
hairy wallaby grass Rytidosperma penicillatum 2
silver plumegrass Saccharum alopecuroidum 2
giant plumegrass Saccharum giganteum 2
wild sugarcane Saccharum spontaneum 4
annual pearlwort Sagina apetala 3
birdseye pearlwort Sagina procumbens 1
grassy arrowhead Sagittaria graminea 2
lanceleaf arrowhead Sagittaria lancifolia 12
common arrowhead Sagittaria latifolia 12
Gregg arrowhead Sagittaria longiloba 4
California arrowhead Sagittaria montevidensis 3
arrowhead Sagittaria sagittifolia 3
awl-leaf arrowhead Sagittaria subulata 8
hemispherical scale Saissetia coffeae 2
white willow Salix alba 4
goat willow Salix caprea 8
coastal plain willow Salix caroliniana 4
large gray willow Salix cinerea 8
coyote willow Salix exigua 12
crack willow Salix fragilis 12
Goodding's willow Salix gooddingii 1
sandbar willow Salix interior 3
red willow Salix laevigata 3
arroyo willow Salix lasiolepis 1
corkscrew willow Salix matsudana 4
black willow Salix nigra 12
purpleosier willow Salix purpurea 12
osier Salix viminalis 8
brown trout Salmo trutta 1
slender Russian thistle Salsola collina 4
Russian thistle Salsola kali 12
barbwire Russian-thistle Salsola paulsenii 4
oppositeleaf Russian thistle Salsola soda 3
salsola Salsola spp. 3
Russian-thistle Salsola tragus 12
Mediterranean saltwort Salsola vermiculata 12
Mediterranean sage Salvia aethiopis 8
lyreleaf sage Salvia lyrata 5
lanceleaf sage Salvia reflexa 3
Europe sage Salvia sclarea 2
whorled sage Salvia verticillata 1
eared salvinia Salvinia auriculata 1
water fern Salvinia minima 10
giant salvinia Salvinia molesta 11
watermoss Salvinia spp. 12
raintree Samanea saman 8
common elderberry Sambucus nigra ssp. canadensis 11
zander Sander lucioperca 4
persimmon borer Sannina uroceriformis 5
poplar borer Saperda calcarata 6
roundheaded apple tree borer Saperda candida 1
poplar borer Saperda carcharias 12
poplar gall borer Saperda inornata 11
eyed squeaker Saperda perforata 2
small poplar borer Saperda populnea 12
long-horned beetle Saperda similis 2
long-horned beetles Saperda spp. 1
elm borer Saperda tridentata 3
soapberry Sapindus saponaria 4
bouncingbet Saponaria officinalis 9
slug Sarasinula plebeia 2
greasewood Sarcobatus vermiculatus 2
king vulture Sarcoramphus papa 1
sassafras Sassafras albidum 8
lizardstail Saururus cernuus 10
mourningbride Scabiosa atropurpurea 1
beach naupaka Scaevola taccada 8
venus-comb Scandix pecten-veneris 3
tawny mole cricket Scapteriscus vicinus 1
rudd Scardinius erythrophthalmus 4
octopus tree Schefflera actinophylla 12
Peruvian peppertree Schinus molle 12
Brazilian peppertree Schinus terebinthifolius 18
Brazilian peppertree Schinus terebinthifolius var. raddianus 2
Arabian schismus Schismus arabicus 9
common mediterraneangrass Schismus barbatus 10
Colombian bluestem Schizachyrium condensatum 4
little bluestem Schizachyrium scoparium 8
wood decay Schizophyllum commune 12
red-humped caterpillar moth Schizura concinna 5
softstem bulrush Schoenoplectus tabernaemontani 2
South African citrus thrips Scirtothrips aurantii 1
chilli thrips Scirtothrips dorsalis 4
lakeshore nutrush Scleria lacustris 3
hardgrass Sclerochloa dura 3
downy mildew Sclerophthora macrospora 7
Sclerotinia snow mold Sclerotinia borealis 3
dollar spot Sclerotinia homoeocarpa 8
Sclerotinia rot Sclerotinia sclerotiorum 12
Sclerotinia stem rot Sclerotinia trifoliorum 3
fungus Sclerotium delphinii 3
stem rot of rice Sclerotium oryzae 4
southern blight Sclerotium rolfsii 16
bark beetles Scolytodes spp. 1
bark beetle Scolytogenes papuanus 2
bark beetle Scolytus carpini 10
European oak bark beetle Scolytus intricatus 12
middle elm tree split bark beetle Scolytus laevis 1
larch engraver Scolytus laricis 1
larger shothole borer Scolytus mali 12
smaller European elm bark beetle Scolytus multistriatus 12
bark beetle Scolytus pygmaeus 9
hickory bark beetle Scolytus quadrispinosus 1
birch bark beetle Scolytus ratzeburgi 12
shothole borer Scolytus rugulosus 8
banded elm bark beetle Scolytus schevyrewi 11
large elm beetle Scolytus scolytus 12
true fir bark beetles Scolytus spp. 3
Douglas-fir engraver Scolytus unispinosus 1
fir engraver Scolytus ventralis 6
licorice weed Scoparia dulcis 1
lanceleaf figwort Scrophularia lanceolata 8
marsh skullcap Scutellaria galericulata 2
ash root rot Scytinostroma galactinum 5
cereal rye Secale cereale 3
chayote Sechium edule 3
purple crown-vetch Securigera varia 6
mossy stonecrop Sedum acre 3
two-row stonecrop Sedum spurium 1
long-horned beetle Semanotus russicus 2
marsh fleabane Senecio congestus 2
redpurple ragwort Senecio elegans 3
South African ragwort Senecio inaequidens 4
tansy ragwort Senecio jacobaea 9
Madagascar ragwort Senecio madagascariensis 12
woodland groundsel Senecio sylvaticus 9
common groundsel Senecio vulgaris 8
wild senna Senna marilandica 1
sicklepod Senna obtusifolia 6
coffee senna Senna occidentalis 2
hedionda macho Senna septemtrionalis 1
glossy shower Senna surattensis 1
Septoria leaf spot Septoria apiicola 4
Septoria leaf spot Septoria cornicola 9
Septoria leaf spot Septoria glycines 8
Septoria leaf spot Septoria lycopersici 9
Septoria leaf spot and canker Septoria musiva 4
Septoria leaf spot of wheat Septoria tritici 16
saw palmetto Serenoa repens 12
yellow-fronted canary Serinus mozambicus 1
Drummond rattlebush Sesbania drummondii 1
hemp sesbania Sesbania exaltata 12
bigpod sesbania Sesbania herbacea 12
red sesbania Sesbania punicea 8
bagpod Sesbania vesicaria 4
giant foxtail Setaria faberi 9
foxtail millet Setaria italica 4
palmgrass Setaria palmifolia 2
knotroot foxtail Setaria parviflora 9
yellow foxtail Setaria pumila 7
cattail grass Setaria pumila ssp. pallidefusca 8
bristly foxtail Setaria verticillata 8
green foxtail Setaria viridis 10
russet buffaloberry Shepherdia canadensis 4
field madder Sherardia arvensis 9
sibara Sibara virginica 1
three-toothed cinquefoil Sibbaldiopsis tridentata 5
Saffron Finch Sicalis flaveola 2
burcucumber Sicyos angulatus 12
southern sida Sida acuta 2
arrowleaf sida Sida rhombifolia 8
prickly sida Sida spinosa 12
hairy catchfly Silene dichotoma 1
hairy catchfly Silene dichotoma 2
red campion Silene dioica 1
meadow campion Silene flos-cuculi 12
English catchfly Silene gallica 8
bladder campion Silene latifolia ssp. alba 8
nightflowering catchfly Silene noctiflora 4
bladder campion Silene vulgaris 4
compassplant Silphium laciniatum 4
cup rosinweed Silphium perfoliatum 12
blessed milkthistle Silybum marianum 12
white mustard Sinapis alba 8
wild mustard Sinapis arvensis 12
wild mustard Sinapis arvensis ssp. arvensis 12
aphid Sinomegoura citricola 4
vine borer Sinoxylon perforans 8
conifer auger beetle Sinoxylon unidentatum 4
ash whitefly Siphoninus phillyreae 1
Siricid woodwasps Sirex juvencus 8
Sirex woodwasp Sirex noctilio 12
butternut canker Sirococcus clavigignenti-juglandacearum 8
Sirococcus blight of conifers Sirococcus conigenus 4
tumble mustard Sisymbrium altissimum 8
Mediterranean rocket Sisymbrium erysimoides 3
London rocket Sisymbrium irio 7
tall hedge mustard Sisymbrium loeselii 4
hedge mustard Sisymbrium officinale 9
oriental mustard Sisymbrium orientale 9
narrowleaf blueeyed-grass Sisyrinchium angustifolium 4
maize weevil Sitophilus zeamais 8
waterparsnip Sium suave 7
wild bamboovine Smilax auriculata 4
catbriar Smilax bona-nox 4
cat sawbriar Smilax glauca 4
bamboovine Smilax laurifolia 6
sarsaparillavine Smilax pumila 12
roundleaf greenbriar Smilax rotundifolia 2
lanceleaf greenbriar Smilax smallii 4
American black nightshade Solanum americanum 8
fuzzyfruit nightshade Solanum candidum 2
red soda apple Solanum capsicoides 3
horsenettle Solanum carolinense 7
robust horsenettle Solanum dimidiatum 12
twoleaf nightshade Solanum diphyllum 4
bittersweet nightshade Solanum dulcamara 11
silverleaf nightshade Solanum elaeagnifolium 10
Jamaican nightshade Solanum jamaicense 4
orangeberry nightshade Solanum lanceolatum 4
nipplefruit Solanum mammosum 8
earleaf nightshade Solanum mauritianum 4
black nightshade Solanum nigrum 12
hairy nightshade Solanum physalifolium 6
Jerusalem-cherry Solanum pseudocapsicum 2
West Indian nightshade Solanum ptycanthum 9
buffalobur Solanum rostratum 11
Brazilian nightshade Solanum seaforthianum 4
sticky nightshade Solanum sisymbriifolium 8
wetland nightshade Solanum tampicense 8
turkeyberry Solanum torvum 12
cutleaf nightshade Solanum triflorum 8
tropical soda apple Solanum viarum 20
purple nightshade Solanum xanti 4
fire ant Solenopsis geminata 8
red imported fire ant Solenopsis invicta 12
black imported fire ant Solenopsis richteri 4
Canada goldenrod Solidago canadensis 12
Canada goldenrod Solidago canadensis var. scabra 10
giant goldenrod Solidago gigantea 4
Missouri goldenrod Solidago missouriensis 5
gray goldenrod Solidago nemoralis 6
rough goldenrod Solidago rugosa 8
lawn burweed Soliva sessilis 4
perennial sowthistle Sonchus arvensis 10
moist sowthistle Sonchus arvensis ssp. uliginosus 1
spiny sowthistle Sonchus asper 11
annual sowthistle Sonchus oleraceus 8
silky sophora Sophora nuttalliana 1
false spiraea Sorbaria sorbifolia 4
European mountain-ash Sorbus aucuparia 12
yellow Indiangrass Sorghastrum nutans 3
sorghum-almum Sorghum almum 4
sorghum Sorghum bicolor 10
sudangrass Sorghum bicolor ssp. drummondii 12
johnsongrass Sorghum halepense 22
sorghum Sorghum spp. 8
branched burreed Sparganium erectum 4
giant burreed Sparganium eurycarpum 2
smooth cordgrass Spartina alterniflora 4
common cordgrass Spartina anglica 2
denseflower cordgrass Spartina densiflora 4
saltmeadow cordgrass Spartina patens 2
Spanish broom Spartium junceum 8
African tuliptree Spathodea campanulata 12
Philippine ground orchid Spathoglottis plicata 1
corn spurry Spergula arvensis 6
Boccone's sandspurry Spergularia bocconii 3
saltmarsh sandspurry Spergularia salina 1
broadleaf buttonweed Spermacoce alata 4
avocado scab Sphaceloma perseae 4
scab of poinsettia Sphaceloma poinsettiae 4
head smut Sphacelotheca reiliana 8
scarlet globemallow Sphaeralcea coccinea 3
Ashy gecko Sphaerodactylus elegans elegans 1
swainsonpea Sphaerophysa salsula 4
Diplodia blight Sphaeropsis sapinea 12
Sphaeropsis tip blight Sphaeropsis tumefaciens 8
powdery mildew Sphaerotheca phytoptophila 5
Bay Biscayne creeping-oxeye Sphagneticola trilobata 8
gooseweed Sphenoclea zeylanica 1
bronze knapweed root borer Sphenoptera jugoslavica 9
larch hawk moth Sphinx morio 4
Japanese spiraea Spiraea japonica 12
Thunberg's meadowsweet Spiraea thunbergii 2
hardhack Spiraea tomentosa 1
northern slender ladies'-tresses Spiranthes lacera 4
common duckmeat Spirodela polyrrhiza 2
stubborn, little leaf Spiroplasma citri 4
beet armyworm Spodoptera exigua 12
fall armyworm Spodoptera frugiperda 12
Egyptian cottonworm Spodoptera littoralis 12
cotton leafworm, tobacco cutworm Spodoptera litura 12
yellowstriped armyworm Spodoptera ornithogalli 8
black longicorn beetle Spondylis buprestoides 8
alkali sacaton Sporobolus airoides 1
smutgrass Sporobolus indicus 9
pineywoods dropseed Sporobolus junceus 12
seashore dropseed Sporobolus virginicus 4
Florida betony Stachys floridana 9
Jamaica vervain Stachytarpheta jamaicensis 4
nettleleaf velvetberry Stachytarpheta urticifolia 2
black spot of elm Stegophora ulmea 4
Easterbell starwort Stellaria holostea 1
Alaska chickweed Stellaria longipes 8
common chickweed Stellaria pallida 4
star chickweed Stellaria pubera 12
gray leaf spot Stemphylium solani 8
panicle rice mite Steneotarsonemus spinki 4
dry rot of ears and stalks of maize Stenocarpella macrospora 4
dry rot of ears and stalks of maize Stenocarpella macrospora 4
white ear rot and seedling blight of maize Stenocarpella maydis 3
majestic long-horned beetle Stenocorus schaumii 2
St. Augustinegrass Stenotaphrum secundatum 5
whiteplume wirelettuce Stephanomeria exigua ssp. coronaria 3
conifer seedling weevil Steremnius carinatus 3
false turkey tail Stereum gausapatum 6
hairy stereum Stereum hirsutum 8
false turkey tail Stereum ostrea 1
red heart decay Stereum sanguinolentum 7
wood decay Stereum spp. 12
mango pulp weevil Sternochetus frigidus 4
mango seed weevil Sternochetus mangiferae 12
flower longhorn Stictoleptura canadensis 1
needlecast Stigmina deflectens 4
Stigmina leaf spot Stigmina palmivora 14
Streptomyces soil rot (pox) Streptomyces ipomoeae 1
common scab of potato Streptomyces scabiei 9
spotted dove Streptopelia chinensis 4
Eurasian collared-dove Streptopelia decaocto 4
witchweed Striga asiatica 12
cowpea witchweed Striga gesnerioides 3
purple witchweed Striga hermonthica 12
witchweed Striga spp. 8
white rot Stromatinia cepivora 8
kulsi teak borer Stromatium barbatum 12
long-horned beetle Stromatium fulvum 1
long-horned beetle Stromatium fulvum 8
long-horned beetle Stromatium longicorne 8
amberique-bean Strophostyles helvola 12
european starling Sturnus vulgaris 2
juniper twig pruner Styloxus bicolor 2
Japanese pagoda tree Styphnolobium japonicum 4
western seepweed Suaeda calceoliformis 4
pig (feral) Sus scrofa (feral type) 8
queen palm Syagrus romanzoffiana 8
red-humped oakworm moth Symmerista canicosta 2
common snowberry Symphoricarpos albus 4
western snowberry Symphoricarpos occidentalis 4
coralberry Symphoricarpos orbiculatus 2
slender aster Symphyotrichum divaricatum 4
white panicle aster Symphyotrichum lanceolatum 8
New England aster Symphyotrichum novae-angliae 4
common comfrey Symphytum officinale 9
skunkcabbage Symplocarpus foetidus 8
maple callus borer Synanthedon acerni 3
large redbelted clearwing Synanthedon culiciformis 4
peachtree borer Synanthedon exitiosa 4
lesser peachtree borer Synanthedon pictipes 5
dogwood borer Synanthedon scitula 4
currant borer Synanthedon tipuliformis 8
potato wart disease Synchytrium endobioticum 3
American evergreen Syngonium podophyllum 2
common lilac Syringa vulgaris 8
Java plum Syzygium cumini 4
Malabar plum Syzygium jambos 12
trumpet-tree Tabebuia spp. 3
paradise shelduck Tadorna variegata 4
medusahead Taeniatherum caput-medusae 11
pear thrips Taeniothrips inconsequens 2
wild marigold Tagetes minuta 4
rice delphacid Tagosodes orizicolus 3
tamarind Tamarindus indica 4
Athel tamarisk Tamarix aphylla 12
Canary Island tamarisk Tamarix canariensis 4
fivestamen tamarisk Tamarix chinensis 2
French tamarisk Tamarix gallica 1
smallflower tamarisk Tamarix parviflora 7
saltcedar Tamarix ramosissima 7
tamarisk Tamarix spp. 12
feverfew Tanacetum parthenium 8
common tansy Tanacetum vulgare 10
Budapest slug Tandonia budapestensis 4
oak leaf blister Taphrina caerulescens 12
leaf curl Taphrina communis 13
peach leaf curl Taphrina deformans 16
leaf blister of poplar Taphrina populina 3
beech bark beetle Taphrorychus bicolor 5
ghost ant Tapinoma melanocephalum 8
dandelion Taraxacum officinale 11
camphor bush Tarchonanthus camphoratus 2
White-spotted Wall Gecko Tarentola annularis 1
Japanese yew Taxus cuspidata 4
white-footed ant Technomyrmex albipes 8
Central American tuber moth Tecia solanivora 4
trumpetflower Tecoma stans 3
incised halberd fern Tectaria incisa 1
tropical almond Terminalia catappa 8
East Indian almond Terminalia myriocarpa 2
spineless horsebrush Tetradymia canescens 4
New Zealand spinach Tetragonia tetragonioides 4
sugarberry psyllid Tetragonocephela flava 2
mulberry whitefly Tetraleurodes mori 2
twospotted spider mite Tetranychus urticae 12
red milkweed beetle Tetraopes tetrophthalmus 6
black spruce beetle Tetropium castaneum 12
brown spruce longhorn beetle Tetropium fuscum 16
larch longicorn beetle Tetropium gabrieli 9
shieldbacked pine seed bug Tetyra bipunctata 4
American germander Teucrium canadense 2
tall meadow-rue Thalictrum pubescens 4
checkered beetle Thanasimus dubius 6
false codling moth Thaumatotibia leucotreta 8
pine processionary moth Thaumetopoea pityocampa 8
oak processionary moth Thaumetopoea processionea 12
white garden snail Theba pisana 4
stiff greenthread Thelesperma filifolium 4
mountain goldenbanner Thermopsis montana 9
prairie thermopsis Thermopsis rhombifolia 4
portia tree Thespesia populnea 12
black root rot Thielaviopsis basicola 2
intermediate wheatgrass Thinopyrum intermedium 3
tall wheatgrass Thinopyrum ponticum 1
field pennycress Thlaspi arvense 12
Blue-gray Tanager Thraupis episcopus 4
sacred ibis Threskiornis aethiopicus 3
introduced basswood thrips Thrips calcaratus 1
melon thrips Thrips palmi 12
thrips Thrips pini 4
onion thrips Thrips tabaci 16
eastern arborvitae Thuja occidentalis 16
blackeyed Susan vine Thunbergia alata 8
Bengal trumpet Thunbergia grandiflora 12
laurel clockvine Thunbergia laurifolia 3
creeping thyme Thymus praecox ssp. arcticus 1
bagworm Thyridopteryx ephemeraeformis 12
Thyronectria canker Thyronectria austroamericana 12
bark beetles Thysanoes spp. 2
dog-day cicada Tibicen spp. 3
herbaceous glorytree Tibouchina herbacea 3
princess-flower Tibouchina urvilleana 4
rice stink bug Tibraca limbativentris 2
zebra tilapia Tilapia buttikoferi 3
spotted tilapia Tilapia mariae 1
kernel smut Tilletia barclayana 3
dwarf bunt, dwarf smut Tilletia controversa 1
karnal bunt Tilletia indica 12
ryegrass bunt Tilletia walkeri 2
tench Tinca tinca 1
common crane fly Tipula oleracea 2
European crane fly Tipula paludosa 4
european crane flies Tipula spp. 8
tree marigold Tithonia diversifolia 1
Tobacco Mosaic Virus Tobamovirus TMV 7
Tomato Mosaic Virus Tobamovirus ToMV 9
Tobacco Rattle Virus Tobravirus TRV 9
African grey hornbill Tockus nasutus 3
Tomato Bushy Stunt Virus Tombusvirus TBSV 2
pine shoot beetle Tomicus destruens 1
lesser pine shoot beetle Tomicus minor 12
larger pine shoot beetle Tomicus piniperda 12
shoot beetles Tomicus spp. 2
Australian redcedar Toona ciliata 4
spreading hedgeparsley Torilis arvensis 9
Japanese hedge-parsley Torilis japonica 7
knotted hedgeparsley Torilis nodosa 4
European oak leaf roller Tortrix viridana 12
Impatiens Necrotic Spot Virus Tospovirus INSV 12
Iris Yellow Spot Virus Tospovirus IYSV 12
Tomato Spotted Wilt Virus Tospovirus TSWV 12
tuliptree scale Toumeyella liriodendri 12
pine tortoise scale Toumeyella parvicornis 6
Pacific poison-oak Toxicodendron diversilobum 12
Atlantic poison-oak Toxicodendron pubescens 8
eastern poison-ivy Toxicodendron radicans 12
western poison ivy Toxicodendron rydbergii 2
poison-sumac Toxicodendron vernix 8
brown citrus aphid Toxoptera citricida 12
mango aphid Toxoptera odinae 12
papaya fruit fly Toxotrypana curvicauda 12
climbing dogbane Trachelospermum difforme 2
red-eared slider Trachemys scritpa elegans 4
D' Arnaud's barbet Trachyphonus darnaudii 4
metalic wood-boring beetle Trachys minutus 8
white-flowered spiderwort Tradescantia fluminensis 1
common spiderwort Tradescantia ohiensis 10
boatlily Tradescantia spathacea 2
spiderwort Tradescantia spp. 8
western salsify Tragopogon dubius 10
meadow salsify Tragopogon lamottei 8
common salsify Tragopogon porrifolius 4
Trametes wood decay Trametes hirsuta 10
turkey tail Trametes versicolor 8
rust Tranzschelia discolor 7
horn nut Trapa bicornis 1
European water chestnut Trapa natans 8
water chestnut Trapa spp. 1
pigeon tremex Tremex columba 3
ambrosia beetle Treptoplatypus oxyurus 1
Chinese tallowtree Triadica sebifera 17
greenhouse whitefly Trialeurodes vaporariorum 4
horse purslane Trianthema portulacastrum 8
Jamaica feverplant Tribulus cistoides 12
puncturevine Tribulus terrestris 12
scaly-breasted lorikeet Trichoglossus chlorolepidotus 1
coconut lorikeet Trichoglossus haematodus 3
cabbage looper Trichoplusia ni 12
vinegarweed Trichostema lanceolatum 4
Cherry Mottle Leaf Virus Trichovirus CMLV 1
Peach Mosaic Virus Trichovirus PcMV 11
coat buttons Tridax procumbens 12
purpletop Tridens flavus 4
star-flower Trientalis borealis 4
rabbitfoot clover Trifolium arvense 8
large hop clover Trifolium campestre 10
rose clover Trifolium hirtum 8
alsike clover Trifolium hybridum 9
crimson clover Trifolium incarnatum 9
red clover Trifolium pratense 6
white clover Trifolium repens 12
clover Trifolium spp. 4
subterranean clover Trifolium subterraneum 1
seaside arrowgrass Triglochin maritimum 4
citrus psylla Trioza erytreae 8
false mayweed Tripleurospermum maritimum 4
false chamomile Tripleurospermum perforatum 5
eastern gamagrass Tripsacum dactyloides 9
springstar Tristagma uniflorum 1
common wheat Triticum aestivum 11
Wheat Streak Mosaic Virus Tritimovirus WSMV 1
khapra beetle Trogoderma granarium 12
nasturtium Tropaeolum majus 3
ash plant bug Tropidosteptes amoenus 5
parasitic bee mite Tropilaelaps clareae 12
European hardwood ambrosia beetle Trypodendron domesticum 8
striped ambrosia beetle Trypodendron lineatum 12
ambrosia beetle Trypodendron signatum 2
bark beetles Trypodendron spp. 3
leaf spot Tubakia dryina 12
orange cup coral Tubastraea coccinea 1
canker and die back of Siberian Elm Tubercularia ulmea 5
black and white tegu Tupinambis merianae 8
red tegu Tupinambis rufescens 1
red-legged thrush Turdus plumbeus 2
ramgoat dashalong Turnera ulmifolia 1
coltsfoot Tussilago farfara 18
tomato leafminer Tuta absoluta 12
nematode Tylenchulus semipenetrans 2
ash and privet borer Tylonotus bimaculatus 2
narrow-leaved cattail Typha angustifolia 2
common cattail Typha latifolia 10
cattail Typha laxmannii 3
snow mold Typhula incarnata 4
flower longhorn Typocerus spp. 1
zebra longhorn Typocerus zebra 1
gorse Ulex europaeus 16
winged elm Ulmus alata 12
Chinese elm Ulmus parvifolia 12
English elm Ulmus procera 12
Siberian elm Ulmus pumila 8
euonymus scale Unaspis euonymi 12
arrowhead scale Unaspis yanonensis 4
peach wart Uncharacterised agent 3
High Plains Virus Uncharacterised virus HPV 8
Asian kelp Undaria pinnatifida 4
red-cheeked cordonbleu Uraeginthus bengalus 1
Caesarweed Urena lobata 3
Strumella canker Urnula craterium 2
white-horned horntail Urocerus albicornis 1
Siricid woodwasp Urocerus augur 1
yellow-horned horntail Urocerus gigas flavicornis 4
giant wood wasp Urocerus gigas gigas 8
wood wasp Urocerus gigas 1
liverseedgrass Urochloa panicoides 2
broadleaf signalgrass Urochloa platyphylla 8
browntop millet Urochloa ramosa 4
Texas millet Urochloa texana 4
onion smut Urocystis cepulae 1
smut Urocystis colchici 2
dry bean rust Uromyces appendiculatus 20
rust Uromyces dianthi 1
gladiolus rust Uromyces transversalis 8
southern nettle Urtica chamaedryoides 1
stinging nettle Urtica dioica 4
European stinging nettle Urtica dioica ssp. dioica 10
stinging nettle Urtica dioica ssp. holosericea 4
burning nettle Urtica urens 11
false smut Ustilaginoidea virens 6
loose smut Ustilago avenae 10
covered smut Ustilago hordei 3
common smut Ustilago maydis 12
smut Ustilago nuda 1
loose smut of wheat or barley Ustilago tritici 6
corn smut Ustilago zeae 16
leafy bladderwort Utricularia foliosa 2
humped bladderwort Utricularia gibba 12
floating bladderwort Utricularia inflata 8
purple bladderwort Utricularia purpurea 4
California huckleberry Vaccinium ovatum 4
alpine blueberry Vaccinium uliginosum 4
shorthorned grasshopper Valanga nigricornis 1
common valerian Valeriana officinalis 8
beaked cornsalad Valerianella radiata 2
American eelgrass Vallisneria americana 4
Cytospora canker of spruce Valsa kunzei 13
canker Valsa quaternata 2
Cytospora canker Valsa sordida 2
Southern Lapwing Vanellus chilensis 2
Savannah monitor Varanus exanthematicus 3
Peach-throated Monitor Varanus jobiensis 4
Nile monitor Varanus niloticus 4
honey bee varroa mite Varroa destructor 8
varroa mite Varroa jacobsoni 8
peach scab Venturia carpophila 12
apple scab Venturia inaequalis 12
shepherd's crook leaf and shoot blight Venturia populina 1
willow scab Venturia saliciperda 1
shepherd's crook leaf and shoot blight Venturia tremulae 1
California false-hellebore Veratrum californicum 6
green false-hellebore Veratrum viride 2
moth mullein Verbascum blattaria 8
common mullein Verbascum thapsus 9
purplestamen mullein Verbascum virgatum 4
tall vervain Verbena bonariensis 8
prostrate vervain Verbena bracteata 3
blue vervain Verbena hastata 10
Brazilian vervain Verbena incompta 8
seashore vervain Verbena montevidensis 4
tuberous vervain Verbena rigida 4
hoary vervain Verbena stricta 4
white vervain Verbena urticifolia 12
crownbeard Verbesina encelioides 12
tungoil tree Vernicia fordii 16
western ironweed Vernonia baldwinii 1
tall ironweed Vernonia gigantea 8
New York ironweed Vernonia noveboracensis 8
field speedwell Veronica agrestis 2
water speedwell Veronica anagallis-aquatica 9
corn speedwell Veronica arvensis 9
twolobe speedwell Veronica biloba 4
germander speedwell Veronica chamaedrys 4
speedwell Veronica cinerea 1
ivyleaf speedwell Veronica hederifolia 3
purslane speedwell Veronica peregrina 9
hairy purslane speedwell Veronica peregrina ssp. xalapensis 3
Persian speedwell Veronica persica 2
wayside speedwell Veronica polita 6
thymeleaf speedwell Veronica serpyllifolia 11
Verticillium wilt Verticillium albo atrum 3
Verticillium wilt Verticillium albo-atrum 8
Verticillium wilt Verticillium dahliae 8
European hornet Vespa crabro 8
German yellowjacket Vespula germanica 12
southern yellowjacket Vespula squamosa 4
linden viburnum Viburnum dilatatum 1
wayfaringtree Viburnum lantana 12
nannyberry Viburnum lentago 12
withe-rod Viburnum nudum var. cassinoides 4
European cranberrybush Viburnum opulus 8
cranberry vibrunum, European highbush cranberry Viburnum opulus ssp. opulus 8
Japanese snowball Viburnum plicatum 2
blackhaw viburnum Viburnum prunifolium 4
Siebold's arrowwood Viburnum sieboldii 2
bird vetch Vicia cracca 10
tiny vetch Vicia hirsuta 1
common vetch Vicia sativa 6
garden vetch Vicia sativa ssp. nigra 4
hairy vetch Vicia villosa 9
pin-tailed whydah Vidua macroura 1
cowpea Vigna unguiculata 4
big periwinkle Vinca major 12
common periwinkle Vinca minor 10
periwinkle Vinca spp. 3
field violet Viola arvensis 3
field pansy Viola bicolor 8
lanceleaf violet Viola lanceolata 12
English violet Viola odorata 1
common blue violet Viola sororia 11
pansy Viola tricolor 7
needle cast Virgella robusta 3
European mistletoe Viscum album 12
lilac chastetree Vitex agnus-castus 4
beach vitex Vitex rotundifolia 18
simpleleaf chastetree Vitex trifolia 4
summer grape Vitis aestivalis 8
fox grape Vitis labrusca 1
mustang grape Vitis mustangensis 8
grape Vitis spp. 12
wine grape Vitis vinifera 16
Volutella blight Volutella buxi 9
Volutella blight Volutella pachysandrae 1
red fox Vulpes vulpes 4
squirreltail fescue Vulpia bromoides 3
small fescue Vulpia microstachys 4
rattail fescue Vulpia myuros 2
Asiatic bellflower Wahlenbergia marginata 4
Maize Chlorotic Dwarf Virus Waikavirus MCDV 1
Indian waltheria Waltheria indica 12
Washington fan palm Washingtonia robusta 3
little fire ant Wasmannia auropunctata 6
cape bugle-lily Watsonia borbonica 2
Stigmina fungus Wilsonomyces carpophilus 8
Japanese wisteria Wisteria floribunda 5
Chinese wisteria Wisteria sinensis 14
mule-ears Wyethia amplexicaulis 3
spiny cocklebur Xanthium spinosum 8
cocklebur Xanthium spp. 1
common cocklebur Xanthium strumarium 19
elm leaf beetle Xanthogaleruca luteola 8
Xanthomonas leaf blight of onion Xanthomonas axonopodis pv. allii 12
bacterial pustule of soybean disease Xanthomonas axonopodis pv. glycines 16
Common bacterial blight of beans, fuscous blight Xanthomonas axonopodis pv. phaseoli 1
bacterial streak, black rot, and blight Xanthomonas campestris 12
black rot of crucifers Xanthomonas campestris pv. campestris 1
Xanthomonas campestris pv. corylina 2
citrus canker Xanthomonas citri 12
angular leaf spot of cotton Xanthomonas citri ssp. malvacearum 3
angular leaf spot of strawberry Xanthomonas fragariae 8
yellow disease of hyacinth Xanthomonas hyacinthi 1
bacterial leaf blight of rice Xanthomonas oryzae pv. oryzae 4
bacterial leaf streak Xanthomonas oryzae pv. oryzicola 4
bacterial canker of poplar Xanthomonas populi 8
leaf streak/black chaff Xanthomonas translucens pv. translucens 7
arrowleaf elephant's ear Xanthosoma sagittifolium 1
woodwasp Xeris spectrum 1
heath snail Xerolenta obvia 1
European snail Xerotricha conspurcata 8
black root rot Xylaria polymorpha 13
ambrosia beetle Xyleborinus alni 5
ambrosia beetle Xyleborinus andrewesi 3
ambrosia beetle Xyleborinus exiguus 1
fruit-tree pinhole borer Xyleborinus saxeseni 8
bark beetles Xyleborinus spp. 2
ambrosia beetle Xyleborus affinis 12
ambrosia beetle Xyleborus atratus 8
ambrosia beetle Xyleborus biuncus 3
ambrosia beetle Xyleborus californicus 3
ambrosia beetle Xyleborus celsus 8
ambrosia beetle Xyleborus cryptographus 7
European shot-hole borer Xyleborus dispar 13
ambrosia beetle Xyleborus dryographus 1
ambrosia beetle Xyleborus ferrugineus 8
redbay ambrosia beetle Xyleborus glabratus 12
ambrosia beetle Xyleborus granulipes 2
ambrosia beetle Xyleborus haberkorni 3
ambrosia beetle Xyleborus monographus 10
ambrosia beetle Xyleborus nitens 2
ambrosia beetle Xyleborus pelliculosus 12
ambrosia beetle Xyleborus perforans 10
ambrosia beetle Xyleborus perplexus 2
ambrosia beetle Xyleborus pumilus 2
ambrosia beetle Xyleborus similis 8
ambrosia beetles Xyleborus spp. 2
ambrosia beetle Xyleborus xylographus 8
bark beetles Xylechinus spp. 2
bacterial leaf scorch Xylella fastidiosa 8
redshouldered bostrichid beetle Xylobiops basilaris 1
black twig borer Xylosandrus compactus 12
granulate ambrosia beetle Xylosandrus crassiusculus 12
black stem borer Xylosandrus germanus 8
camphor shot borer Xylosandrus mutilatus 8
thickset scolytid borer Xylosandrus solidus 8
ambrosia beetles Xylosandrus spp. 2
ambrosia beetles Xyloterinus spp. 3
gallmaking maple borer Xylotrechus aceris 2
Altai larch longhorn beetle Xylotrechus altaicus 4
rustic borer Xylotrechus colonus 4
long-horned beetle Xylotrechus pantherinus 2
long-horned beetles Xylotrechus spp. 4
long-horned beetle Xylotrechus stebbingi 10
spruce zebra beetle Xylotrechus undulatus 1
Asiatic hawksbeard Youngia japonica 5
apple ermine moth Yponomeuta malinellus 4
cherry ermine moth Yponomeuta padellus 1
Great Plains yucca Yucca glauca 8
conifer sawfly Zadiprion townsendi 1
moorish idol Zanclus cornutus 2
horned pondweed Zannichellia palustris 4
calla lily Zantedeschia aethiopica 8
prickly-ash Zanthoxylum americanum 4
corn Zea mays 16
yellow tang Zebrasoma flavescens 2
brushtail tang Zebrasoma scopas 2
yellowtailed tang Zebrasoma xanthurum 1
spruce bud moth Zeiraphera canadensis 2
larch needleworm Zeiraphera improbana 1
pine needle sheathminer Zelleria haimbachi 6
white-winged dove Zenaida asiatica 2
leopard moth Zeuzera pyrina 4
mountain deathcamas Zigadenus elegans 3
grassy deathcamas Zigadenus venenosus var. gramineus 1
annual wildrice Zizania aquatica 1
giant cutgrass Zizaniopsis miliacea 1
Syrian beancaper Zygophyllum fabago 8