United States, Texas, Travis, Barton Creek, ca. 2 mi upstream from Barton Springs in Zilker Park and 2.5 mi from Colorado River, ca. 0.5 mi NE of Loop 360 bridge over creek, Oak Hill 7.5' Quad., Barton Creek Greenbelt.
30.24861 -97.79639
Dry shallow soil flat open limestone outcrops, in valley of creek. Geology- Edwards Limestone (Cretaceous).