Scientific Name |
Common Name |
Historic Record |
| Deschampsia caespitosa - Danthonia californica Herbaceous Vegetation | Tufted Hairgrass - California Oatgrass | |
| Fraxinus latifolia / Carex obnupta Forest | Oregon Ash / Slough Sedge | H |
| North Pacific Herbaceous Bald and Bluff | North Pacific Herbaceous Bald and Bluff | |
| Pseudotsuga menziesii - Quercus garryana / Symphoricarpos albus Woodland | Douglas-fir - Oregon White Oak / Common Snowberry | |
| Pseudotsuga menziesii / Corylus cornuta / Polystichum munitum Forest | Douglas-fir / Beaked Hazel / Swordfern | |
| Quercus garryana - (Fraxinus latifolia) / Symphoricarpos albus Forest | Oregon White Oak - (Oregon Ash) / Common Snowberry | |
| Quercus garryana / Toxicodendron diversilobum / Elymus glaucus Woodland | Oregon White Oak / Pacific Poison-oak / Blue Wildrye | |
| Quercus garryana / Viburnum ellipticum - Toxicodendron diversilobum Woodland | Oregon White Oak / Oval-leaf Viburnum - Poison-oak | |
| Salix lucida ssp. lasiandra / Salix fluviatilis Woodland | Pacific Willow / Columbia River Willow | |
