United States, Texas, Burnet, E side of Flatrock Creek, ca. 300 ft. W of radio tower on top of LCRA tract MW-1 at SW end of Max Starcke Dam. Marble Falls Quadrangle.
30.55333 -98.26028
Frequent in shallow stony clay soil on steep rocky limestone slope underlain by Honeycut Formation, juniper-Texas persimmon-pricklypear woodland or shrubland.