Ubiquity: Very uncommonDistritution: Known only from the geyser fields on Tubbs Lane near Calistoga; once reported in Napa
Plant Communities: Riparian, Hotsprings
Habitats: Moist, sunny, clayey, grassy fields/valley floors
Elevations: 20-400'
Comments: Napa repport needs confirmationUpdated: 2/19/98