06 June 1994.
California, United States
Locality: Napa. 4 miles NE on Atlas Peak Rd.
Coordinates: 38.4028, -122.2372
(Map it)
Elevation: 470m.
Environment description: Chapparel foothills with vernal pools; wild oat, bunch grasses, festuca californicum, scrub oak, vicia, western wild rye, ryegrass. Sandy loam; 67% sand, 33% sh, 0 clay. pH 6.0.
Number of plants sampled: 50
Comment: Frequent abundance.
Collector(s):