United States, Texas, Kendall, On Ross Creek just E of R. M. 473, S part Davidson property, ca. 1.3-1.4 airmiles WNW of jct. R. M. 473 and R. M. 3160 in Kendalia.
29.97811 -98.54378
In weedy herbaceous vegetation in dry silt in short unshaded stretch of unshaded bed of wet-weather stream. Associates included Cirsium vulgare, Helenium elegans, Phyla nodiflora, Rumex pulcher, Teucrium canadense.