A guide to the common flowering plants (Magnoliophyta) of Tilden Nature Area and Tilden Regional Park.
If a species isn't on this guide, document it!
Oxalis oregana (redwood sorrel, Oregon oxalis) is a species of the wood sorrel family, Oxalidaceae, native to moist Douglas-fir and coast redwood forests of western North America from southwestern British Columbia, Washington, Oregon, and California.
Oxalis pes-caprae (Bermuda buttercup, African wood-sorrel, Bermuda sorrel, Buttercup oxalis, Cape sorrel, English weed, Goat's-foot, Sourgrass, Soursob and Soursop; (Afrikaans: Suring) ) is a species of tristylous flowering plant in the wood sorrel family Oxalidaceae. Oxalis cernua is a less ...more ↓