12 September 2011.
California, United States
Locality: Along north shoulder of Highway 50, where Cameron Park Road joins Highway 50, El Dorado County.
Coordinates: 38.6597, -120.9731
(Map it)
Elevation: 407m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside.
Number of plants sampled: 30
Comment: Population of hundreds.
Collector(s):