Family: Aceraceae (Maple)
| Common Name | Scientific Name | Authority | |
| Rocky Mountain Maple | Acer glabrum | Torr. | |
| Bigtooth Maple | Acer grandidentatum | Nutt. | |
| Box Elder | Acer negundo | L. |
Family: Anacardiaceae (Sumac)
| Common Name | Scientific Name | Authority | |
| Lemonade Sumac, Smooth Sumac, Squawbush, or Skunkbush | Rhus trilobata | Nutt. |
Family: Asteraceae [Compositae] (Sunflower)
| Common Name | Scientific Name | Authority | |
| Common Yarrow | Achillea millefolium | L. | |
| Heart-leaf Arnica | Arnica cordifolia | Hook. | |
| Arrowleaf Balsamroot | Balsamorhiza sagittata | (Pursh) Nutt. | |
| Gray rabbit-brush | Chrysothamnus nauseosus | (Pall.) Brit. | |
| Green rabbit-brush | Chrysothamnus viscidiflorus | (Hook.) Hall | |
| Daisy | Erigeron spp. | ||
| Broom Snakeweed, Matchbrush | Gutierrezia sarothrae | (Pursh) Britt. | |
| Gray
Horse-brush, Spineless Horse-brush |
Tetradymia canescens | DC |
Family: Berberidaceae (Barberry)
| Common Name | Scientific Name | Authority | |
| Creeping
Oregongrape, Low Oregongrape |
Berberis repens | Lindl. |
Family: Betulaceae (Birch)
| Common Name | Scientific Name | Authority | |
| Wavy-leaved or Sitka Alder | Alnus sinuata | (Regel) Rydb. | |
| Red Alder | Alnus rubra | Bong. | |
| Water, Spring, Red, or Paper Birch | Betula occidentalis | Hook. |
Family: Caprifoliaceae (Honeysuckle)
| Common Name | Scientific Name | Authority | |
| Twinflower | Linnaea borealis | L. | |
| Utah Honeysuckle | Lonicera utahensis | Wats. | |
| Mountain Snowberry | Symphoricarpos oreophilus | Gray |
Family: Chenopodiaceae (Goosefoot)
| Common Name | Scientific Name | Authority | |
| Saltbush, Shadscale | Atriplex confertifolia | (Torr. & Frem.) Wats. | |
| Spiny Hopsage | Atriplex spinosa | (Hook.) Collotzi |
Family: Cupressacea (Cypress)
| Common Name | Scientific Name | Authority | |
| Common Juniper | Juniperus communis | L. | |
| Utah Juniper | Juniperus osteosperma | (Torr.) Little | |
| Rocky Mountain Juniper | Juniperus scopulorum | Sarg. |
Family: Cyperaceae (Sedge)
| Common Name | Scientific Name | Authority | |
| Sedges | Carex spp. |
Family: Ericaceae (Heath)
| Common Name | Scientific Name | Authority | |
| Smooth Labrador Tea | Ledum glandulosum | Nutt. | |
| Fool's Huckleberry | Menziesia ferruginea | Smith |
Family: Fabaceae [Leguminosae] (Pea)
| Common Name | Scientific Name | Authority | |
| Lupine | Lupinus spp. | ||
| White Clover | L. |
Family: Hydrangeaceae (Hydrangea)
| Common Name | Scientific Name | Authority | |
| Syringa, Mock Orange | Philadelphus lewisii | Pursh |
Family: Oleaceae (Olive)
| Common Name | Scientific Name | Authority | |
| Green Ash | Fraxinus pensylvanica | Marsh. |
Family: Onagraceae (Evening Primrose)
| Common Name | Scientific Name | Authority | |
| Fireweed | Epilobium angustifolium | L. |
Family: Pinaceae (Pine)
| Common Name | Scientific Name | Authority | |
| White Fir | Abies concolor | (Gord. & Glend.) Lindl. | |
| Grand Fir | Abies grandis | (Dougl.) Forbes | |
| Subalpine Fir | Abies lasiocarpa | (Hook.) Nutt. | |
| Alpine Tamarack | Larix lyalii | Parl. | |
| Mountain Lark | Larix lyallii | Parl. | |
| Western Larch | Larix occidentalis | Nutt. | |
| Engelmann Spruce | Picea engelmannii | Parry | |
| White Spruce | Picea glauca | (Moench.)Voss | |
| Blue Spruce | Picea pungens | Engelm. | |
| White-bark Pine | Pinus albicalis | Engelm. | |
| Lodgepole Pine | Pinus contorta | Dougl | |
| Limber Pine | Pinus flexilis | James | |
| Singleleaf Pinion Pine | Pinus monophylla | Torr. & Frem. | |
| Idaho
White Pine (Western White Pine) |
Pinus monticola | Dougl | |
| Ponderosa (Western Yellow Pine) | Pinus ponderosa | Dougl. | |
| Douglas Fir | Pseudotuga menziesii | (Mirbel) Franco | |
| Western Red Cedar | Thuja plicata | Donn. | |
| Western Hemlock | Tsuga heterophylla | (Raf.) Sarg. | |
| Mountain Hemlock | Tsuga mertensiana | (Bong.) Carr. |
Family: Poaceae [Gramineae] (Grass)
| Common Name | Scientific Name | Authority | |
| Idaho Fescue | Festuca idahoensis | Elmer | |
| Timothy | Phleum pratense | L. |
Family: Polemoniaceae (Phlox)
| Common Name | Scientific Name | Authority | |
| Hood's phlox | Phlox hoodii | Rich |
Family: Rosaceae (Rose)
| Common Name | Scientific Name | Authority | |
| Curl-leaf Mountain-mahogany | Cercocarpus ledifolius | Nutt. | |
| Black Hawthorn | Crataegus douglasii | Lindl. | |
| Largeleaved Avens, Oregon Avens | Geum macrophyllum | Willd. | |
| Gland Ocean Spray | Holodiscus dumosus | (Hook.) Heller | |
| Mallow Ninebark | Physocarpus malvaceus | (Greene) Kuntze | |
| Shrubby Cinquefoil, Yellow Rose | Potentilla fruticosa | L. | |
| Antelope-brush, Bitter-brush | Purshia tridentata | (Pursh) DC | |
| Wood's Rose | Rosa woodsii | Lindl. | |
| Rocky Mountain Ash | Sorbus scopulina | Greene. | |
| Shiny-leaf or Birch-leaved Spiraea | Spiraea betulifolia | Pall. |
Family: Salicaceae (Willow)
| Common Name | Scientific Name | Authority | |
| Narrow-leaved Cottonwood | Populus angustifolia | James | |
| Quaking Aspen | Populus tremuloides | Michx. | |
| Black Cottonwood | Populus trichocarpa | T. & G. |
Family: Saxifragaceae (Saxifrage)
| Common Name | Scientific Name | Authority | |
| Merten's Saxifrage | Saxifraga mertensiana | Bong. |
Family: Taxaceae (Yew)
| Common Name | Scientific Name | Authority | |
| Western or Pacific Yew | Taxis brevifolia | Nutt. |