United States, Texas, Val Verde, On scour plain about 1 foot above normal level of river, E side of Devils River just S of flood gauge cable at Pafford Crossing, ca. 1.5 airmiles S to SSE of mouth of Little Satan Canyon. Satan Canyon Quadrangle. Devils River State Natural Area Southern U
29.67242 -100.99873
In mixed sparse vegetation on limestone bedrock exposed on scour plain about 1 foot above normal level of river. Associates included Acacia rigidula, Bothriochloa ischaemum, Bouteloua curtipendula, Clematis drummondii, Cynodon dactylon, Diospyros texana, Eragrostis lehmanniana, Gymnosperma glutinosum, Indigofera lindheimeriana, Karwinskia humboldtiana, Leptochloa dubia, Linum rupestre, Palafoxia callosa, Porophyllum scoparium, Thelesperma simplicifolium.