Ubiquity: Very commonDistritution: Throughout except S of Napa
Plant Communities: Blue Oak Woodland, Valley Oak Riparian, Regular Chaparral
Habitats: Dry, sunny to partially shaded, (sandy?), wooded or brushy streamsides. Occasionally on slopes and in creekbeds/canyons/ & seasonal drainages; on most geologic formations, but not serpentine
Elevations: 300-2500'
Comments: Non-allergenic. = R. t. var. quinataUpdated: 2/19/98