| FAMILY | "GENUS"/SPECIES | INCLUDES THESE SPECIES | SPECIES CODE |
| Cupressaceae | Calocedrus (Libocedrus) decurrens | ||
| Cupressaceae | Chamaecyparis lawsonia | ||
| Cupressaceae | Chamaecyparis nootkatensis | ||
| Cupressaceae | Chamaecyparis thyoides | ||
| Cupressaceae | Juniperus virginiana | JVW | |
| Cupressaceae | Sequoia sempervirens | SSW | |
| Cupressaceae | Taxodium distichum | TDW | |
| Cupressaceae | Thuja occidentalis | ||
| Cupressaceae | Thuja plicata | ||
| Pinaceae | Abies species | Includes A. alba, A. balsamea, A. fraseri, A. amabilis, A.concolor, A. grandis, A. lasiocarpa, A. magnifica, A. procera, A. nobilis, A. pindrow. | ASW |
| Pinaceae | Larix species | Includes L. laricina, L. occidentalis,
L. sibirica, L.
kaempferi. |
LSW |
| Pinaceae | Picea species | Includes P. abies, P. jezoensis, P. obovata, P. glauca, P.rubra, P. mariana, P. engelmannii, P. sitchensis. | PS1W |
| Pinaceae | Pinus "Hard Pine" species | Includes P. palustris, P. echinata, P. taeda, P. elliottii, P. rigida. | PHW |
| Pinaceae | Pinus "Soft Pine" species | Includes P. strobus, P. monticola.
P. rigida. |
PS2W |
| Pinaceae | Pinus banksiana | PBW | |
| Pinaceae | Pinus contorta | ||
| Pinaceae | Pinus lambertiana | PLW | |
| Pinaceae | Pinus ponderosa | PPW | |
| Pinaceae | Pinus resinosa | PRW | |
| Pinaceae | Pseudotsuga menziesii | PMW | |
| Pinaceae | Tsuga species | Includes T. canadensis, T. heterophylla, T. mertensiana. | TSW |