United States, Texas, Guadalupe, N of small pond on NE side of NW-SE runway, ca. 1.9 airmiles E of jct. St. Rt. 123 bypass and US Alt. 90, NE 1/4 of Seguin Auxiliary Airfield Seguin Quad.
29.57222 -97.90833
Rare in occasionally mown Johnson-grass grassland on deep, moderately well drained, calcareous clay Typic Udic Pellusterts (Branyon Series) over Pleistocene terrace deposits.