Mexico, Sonora, Puerto PeƱasco Municipio, Pinacate Region. 7.5 km east of Los Vidrios on Mex 15 (50 km on Mex 2 west of Sonoyta), at junction of road south to Crater Elegante
Edge of small playa and roadside depression; clay-like fine textured soil. Dense stand of mesquite (Prosopis)