Ubiquity: Very uncommonDistritution: Reported only from Samuel Springs, Lokoya, Chimney Rock, Stags Leap, & Soda Canyon
Plant Communities: Blue Oak Woodland, Annual Grassland
Habitats: Dry, sunny, clayey, wooded or grassy slopes/flats; in alluvial formations
Elevations: 600-1600'
Comments: Probably extinct in Napa Co.Updated: 2/25/98
Ubiquity: UncommonDistritution: W1/2 as far S as Devil's Canyon
Plant Communities: Mixed Evergreen Forest, Blue Oak Woodland, Regular Chaparral
Habitats: Dry, sunny, rocky, forested or wooded or brushy meadows/flats/often on creeksides; in volcanic formations, not on serpentine
Elevations: 365-2040'
Comments:Updated: 2/25/98
Ubiquity: UncommonDistritution: W1/2 & SW1/4 as far S as Devil's Canyon & Milliken Cr.
Plant Communities: Many
Habitats: Dry, sunny, rocky, grassy meadows/slopes; in volcanic formations
Elevations: 365-1700'
Comments: Collection neededUpdated: 2/25/98
Ubiquity: Very commonDistritution: Throughout except Napa Marsh
Plant Communities: Most
Habitats: Dry, sunny, clayey or rocky, ultramafic or not, grassy slopes/flats/summits; in most geologic formations including serpentine
Elevations: 40-2700'
Comments:Updated: 2/25/98
Ubiquity: UncommonDistritution: N1/2 & SW1/4 except Napa Marsh
Plant Communities: Many including Hotsprings
Habitats: Moist, sunny, clayey, grassy fields/valley floors; occasionally along ditches
Elevations: 30-1300'
Comments: = B. coronaria var. macropodaUpdated: 2/25/98