28 September 2021.
Arizona, United States
Locality: on rocky slope along Ruby Rd in drainage at hairpin switchback, southeast of Pena Blanca Lake, Santa Cruz County
Coordinates: 31.3901, -111.0729
(Map it)
Elevation: 1224m.
Georeference protocol: Lat/lon determined by GPS
Environment description: semidesert grassland/shrubland and madrean oak woodland; disturbed roadside
Number of plants sampled: 30
Associated species: Dodonaea viscosa, Eysenhardtia orthocarpa, Mimosa aculeaticarpa, Celtis pallida, Prosopis velutina, Quercus emoryi, and Bouteloua curtipendula
Aspect: Uncertain;
Soil Texture: Unspecified
Comment: approximately 50 plants in the population
Collector(s):