Ubiquity: Very uncommonDistritution: Known only from Suscol Ridge & Lewelling Ranch near St. Helena
Plant Communities: Annual Grassland
Habitats: Moist to wet, sunny, clayey, grassy swales
Elevations: 20-30'
Comments: Collection needed. Once grew on North Suscol Plains & along the Silverado Trail North of Oak Knoll Ave.Updated: 3/31/98