United States, Texas, Williamson, Ca. 0.5-0.8 creekmiles downstream from (E of) confluence of Davis Spring Branch, ca. 2.9-3.1 airmiles W of jct. I-335 and FM 1325, on W side of Round Rock. Pflugerville West Quadrangle.
30.47972 -97.72444
Rare in grass/sedge meadow on wet clay on unshaded bank of Lake Creek. Assc. include Agrostis semiverticillata, Allium canadense var. canadense, Carex brittoniana, C. microdonta, Cynodon dactylon, Dichanthelium cf. lindheimeri, Dichondra carolinensis, Dichromena colorata, Eleocharis montividensis, Eupatorium serotinum, Galium tinctorium, Hydrocotyle sp., Juncus texanus, Lolium perenne, Marsilea sp., Micromeria brownei, Paspalum dilatatum, Phalaris caroliniana, Phyla nodiflora, Samolus parviflorus, Teucrium canadense.