Ranunculus occidentalis var. occidentalis
Synonyms: Ranunculus occidentalis, Ranunculus occidentalis var. dissectus, Ranunculus occidentalis var. eisenii, Ranunculus occidentalis var. howellii, Ranunculus occidentalis var. rattanii, Ranunculus occidentalis var. ultramontanus
The western buttercup is found primarily in grassy areas or open woodlands, in the eastern end of the Columbia River Gorge. It is also found on coastal bluffs and may extend upwards into subalpine meadows.