United States, Texas, Presidio, Ca. 1.7 airmiles N to NNW of Presidio County Courthouse in Marfa. SE portion of Mimms Ranch (Dixon Foundation). Marfa Quadrangle.
30.33783 -104.03136
In desert grassland on very gently rolling landscape underlain by a mix of Perdiz Conglomerate (a fanglomerate of variable composition) and Quaternary alluvium. Associates included Bouteloua spp., Ephedra trifurca. Few other species in bloom due to extreme drought conditions.