California, United States
Locality: Near town of Portola, Sierra Valley. South on A-23, 4-1/2 miles east off Route 70, 1 mile north.
Coordinates: 40.0503, -120.5692
(Map it)
Elevation: 1702m.
Environment description: Along creek and sometimes in the creek. Associated sedges, etc. Sandy, stoney, poorly drained soil.
Number of plants sampled: 25
Collector(s):