19 September 2010.
Arizona, United States
Locality: West bank of a wash, west of a large store, south of the West Calle Arroyo Sur bridge, city of Sahuarita, Pima County.
Coordinates: 31.9132, -101.9841
(Map it)
Elevation: 855m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Near a wash. Full sunlight. Level ground. Gravel and sand. Near Opuntia and Prosopis.
Number of plants sampled: 50
Comment: Plants locally common.
Collector(s):