United States, Texas, Jeff Davis, On bars and banks of Madera Creek, ca. 0.3-0.4 roadmiles SW of Upper Madera Windmill, ca. 1.7 airmiles N to NNE of summit of Baldy Peak. Mount Livermore Quadrangle.
Rays 1 or 2, white; common in moist sand and igneous gravel on mostly unshaded bars and banks of creek.