Ranunculus Austrooreganus, or more commonly know as Southern Oregon Buttercup, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Ranunculus. Its duration is perennial which means it will grow year after year. Ranunculus Austrooreganus or Southern Oregon Buttercup's floral region is North America US Lower 48, specifically in the state of Oregon.