04 June 1994.
California, United States
Locality: Two Rock, California; Walker Rd., 3 miles N of Two Rock; Button Ranch.
Coordinates: 38.3008, -122.7769
(Map it)
Elevation: 90m.
Environment description: Grassy pasture; sandy loam, 67% sand, 33% sh, 0 clay. pH 5.7.
Number of plants sampled: 200
Comment: Frequent abundance.
Collector(s):