Ubiquity: CommonDistritution: Throughout except Napa Marsh
Plant Communities: Regular Chaparral, Annual Grassland
Habitats: Dry, sunny, rocky or clayey, brushy or grassy slopes/flats/roadsides/ & swales; in volcanic, sedimentary, & alluvial formations
Elevations: 25-3000'
Comments: = G. procera. May hybridize with G. stricta var. angustifoliaUpdated: 3/31/98
Ubiquity: UncommonDistritution: Throughout except Napa Marsh
Plant Communities: Blue Oak Woodland, Serpentine & Regular Chaparral, Coastal Prairie
Habitats: Dry, sunny, ultramafic or not, grassy slopes/meadows/ & valley floors; in volcanic, sedimentary, & serpentine formations
Elevations: 60-2000'
Comments: = G. h. ssp. rubricaulisUpdated: 3/31/98
Ubiquity: UncommonDistritution: ?
Plant Communities: ?
Habitats: ?
Elevations: 10-2000'
Comments: Possible hybrid of G. hirsutula x camporum. Hybridizes with G. nana. Collection neededUpdated: 3/31/98
Ubiquity: UncommonDistritution: Known only from Napa Marsh & banks of Napa River S. of Napa
Plant Communities: Coastal Salt Marsh
Habitats: Moist, sunny, silty, saline, marshy areas & berms; in alluvial formations
Elevations: 5-10'
Comments: New Jeps. flora assigns this taxa to G. hirsutula & to G. stricta var. angustifolia. Limited distribution (CNPS- List 4). May hybridize with G. camporumUpdated: 3/31/98
Ubiquity: Very uncommonDistritution: Reported only from Pope Creek (in the Chiles Valley Quad.), Sage Canyon, Lower Chiles Valley Rd.
Plant Communities:
Habitats: Dry, sunny, rocky, ultramafic, sub-barren slopes/ & flats; in serpentine formations
Elevations: 400-1080'
Comments: Confirmation and collection needed. Not native to Napa
Co. Hybridizes with G. hirsutula var. davyiUpdated: 3/31/98
Ubiquity: Very uncommonDistritution: Found only between Napa & Napa Junction
Plant Communities: Ruderal
Habitats: Dry, sunny, clayey, weedy, disturbed places like roadsides
Elevations: 25-80'
Comments: Collection needed. = G. stricta var. angustifolia x G. camporumUpdated: 2/3/98