| Atlas cedar |
Cedrus atlantica |
2 |
| Austrian pine |
Pinus nigra |
2 |
| baldcypress |
Taxodium distichum |
4 |
| Bhutan pine |
Pinus wallichiana |
2 |
| blue spruce |
Picea pungens |
1 |
| Chinese juniper |
Juniperus chinensis |
3 |
| creeping juniper |
Juniperus horizontalis |
3 |
| Douglas-fir |
Pseudotsuga menziesii |
3 |
| eastern arborvitae |
Thuja occidentalis |
1 |
| eastern hemlock |
Tsuga canadensis |
4 |
| eastern redcedar |
Juniperus virginiana |
2 |
| eastern white pine |
Pinus strobus |
2 |
| European larch |
Larix decidua |
4 |
| jack pine |
Pinus banksiana |
1 |
| Japanese cedar |
Cryptomeria japonica |
3 |
| Japanese falsecypress |
Chamaecyparis pisifera |
3 |
| Japanese garden juniper |
Juniperus chinensis var. procumbens |
1 |
| Japanese red pine |
Pinus densiflora |
2 |
| Japanese yew |
Taxus cuspidata |
3 |
| juniper |
Juniperus spp. |
1 |
| Leyland cypress |
x Cupressocyparis leylandii |
1 |
| limber pine |
Pinus flexilis |
3 |
| microbiota |
Microbiota decussata |
1 |
| mugo pine |
Pinus mugo |
2 |
| Norway spruce |
Picea abies |
2 |
| red pine |
Pinus resinosa |
3 |
| Rocky Mountain juniper |
Juniperus scopulorum |
1 |
| savin |
Juniperus sabina |
2 |
| Scots pine |
Pinus sylvestris |
3 |
| Serbian spruce |
Picea omorika |
1 |
| shore juniper |
Juniperus conferta |
1 |
| Virginia pine |
Pinus virginiana |
2 |
| white fir |
Abies concolor var. concolor |
3 |
| white spruce |
Picea glauca |
1 |
| yew |
Taxus × media |
4 |
