13 September 2011.
California, United States
Locality: Wooded turnout along Highway 49, just north of Electra Road, south of Jackson, Amador County.
Coordinates: 38.3154, -120.7220
(Map it)
Elevation: 232m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside.
Number of plants sampled: 30
Comment: Population of hundreds. Very rare sightings along Highway 16-49 between collections #SS109 and #SS110.
Collector(s):