05 November 2015.
Arizona, United States
Locality: north side of I-10 northwest of exit 211 and Picacho, Pinal county
Coordinates: 32.7316, -111.5377
(Map it)
Elevation: 475m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland and disturbed desert scrub on flat, with deep soil derived from volcanic alluvium with Salsola, Larrea, and Prosopis.
Comment: pop size 100; plants up to 2.0 m tall
Collector(s):