Ubiquity: Common, but only on serpentineDistritution: N1/2 & SE1/4
Plant Communities: Serpentine Chaparral
Habitats: Dry, sunny, rocky, ultramafic, brushy summits/slopes/flats/canyonsides/talus; on serpentine formations
Elevations: 300-1500'
Comments: Serpentine endemic. May hybridize with G. fremontiiUpdated: 2/10/98
Ubiquity: CommonDistritution: Throughout except Napa Marsh
Plant Communities: Regular Chaparral
Habitats: Dry, sunny, rocky, brushy summits/slopes/ & flats; on volcanic & sedimentary formations
Elevations: 750-2500'
Comments: May X with G. congdoniiUpdated: 2/10/98