28 February 2005.
California, United States
Locality: Imperial Sand Dunes, east of Cahuilla Bureau of Land Management Ranger Station, in view of Highway 78, dune buggy access from Gecko Road, Imperial County.
Coordinates: 32.9650, -115.1311
(Map it)
Elevation: 96m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Active sand dunes.
Number of plants sampled: 50
Comment: Population size 100.
Collector(s): - Gulya, Thomas, USDA, ARS
- Knauf, Chris, Bureau of Land Management
- Marek, Laura, Iowa State University
- Seiler, Gerald, USDA, ARS