United States, Texas, Fayette, Both sides of Williams Creek floodplain, ca. 0.1-0.2 airmiles SE of jct. US Rt. 77 and F. M. 2436 south of La Grange. Swiss Alp Quadrangle.
29.83685 -96.90872
In openings in riparian woodlands on narrow valley flats on gently rolling landscape underlain by Miocene clay and sandstone of Fleming Formation, on soils mapped as very deep, well drained, moderately alkaline clay loam Fluventic Haplustolls (Pursley Series).