United States, Texas, Presidio, Ca. 1.6 airmiles N to NNW of jct. US Rt. 90 and St. Rt. 17 in downtown Marfa. Mimms Ranch (Dixon Water Foundation). Marfa Quadrangle.
30.33172 -104.02798
In grassland on nearly level to very gently rolling landscape underlain by a mix of Perdiz Conglomerate (a fanglomerate of variable composition) and Quaternary alluvium. Associates included Bouteloua curtipendula, B. gracilis, B. pectinata, Croton pottsii, Solanum elaeagnifolium, Tidestromia lanuginosa, Zinnia grandiflora.