United States, California, Solano County, Solano County: 8.1 miles south of Dixon, along Main Prairie Road, west of its junction with Rio Vista-Dixon Road.
38.32952 -121.82329 +-287m. WGS84
Date Georeferenced: Thu Dec 30 16:33:26 2010
Growing in valley grassland, in adobe soil of ditchbank. | Access Database Number (Deprecated): UCD37805