06 June 1994.
California, United States
Locality: Napa County. Pope Valley; Old Barnett Ranch; End of Barnett Rd., 1/4 mile N of cemetery.
Coordinates: 38.6525, -122.4275
(Map it)
Elevation: 240m.
Environment description: Abandoned grape vineyard; Sandy loam; 60% sand, 40% sh, 0 clay; pH 6.7
Number of plants sampled: 5
Comment: Rare abundance.
Collector(s):