United States, Texas, Presidio, N side of pond (stock tank) in valley ca. 3.1 airmiles NW of jct. US Rt. 67 and US Rt. 90 in downtown Marfa, Central part of Mimms Ranch, Marfa Quadrangle.
30.34735 -104.04953
In grassland on sandy-silty soil on gentle slope on gently rolling landscape underlain by a mix of Perdiz Conglomerate (a fanglomerate of variable composition) and Quaternary alluvium. Associates included Aristida ternipes, Berlandiera lyrata, Bothriochloa alta, Buddleja scordioides, Chenopodium spp., Cirsium undulatum, Croton pottsii, Cryptantha 31374, Desmanthus cooleyi, Eryngium heterophyllum, Hilaria swallenii, Panicum obtusum, Proboscidea fragrans, Ratibida columnifera, Rhynchosida physocalyx, Sphaeralcea angustifolia, Vernonia marginata.