19 September 2010.
Arizona, United States
Locality: East side of FR 486 (Helvetia Road), just east of FR 401, Santa Rita Experimental Range of the University of Arizona, Pima County.
Coordinates: 31.8263, -110.8625
(Map it)
Elevation: 1112m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Along wash. Full sun. Sandy wash bottom. Near Cylindropuntia, Opuntia, and Prosopis.
Number of plants sampled: 10
Comment: Plants were in a 5 square meter area.
Collector(s):