Betula occidentalis, 15 Gal.
Betula occidentalis (Water Birch) is a species in the Betulaceae family native to western North America. In California its distribution is somewhat patchy, being found in the southern Sierras, Siskiyu and Modoc counties. It typically occurs along streams in mountainous regions from 2,000 ft. to over 11,000 ft. It is a deciduous shrub or small tree growing to 10 meter high, usually with multiple trunks. The bark is dark red-brown to blackish, and smooth but not exfoliating