18 October 2002.
California, United States
Locality: Napa County mile marker 16.72, 3.2 miles north of junction of Pope Canyon/Berryessa Road, Schoolhouse Cove, Napa County.
Coordinates: 38.6594, -122.2778
(Map it)
Elevation: 137m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside.
Comment: Population size 50-75.
Collector(s):