United States, Texas, Hunt, Mathew's Prairie Preserve, ca. 8 air miles (13 km) W of Greenville, along dirt road 1.2 miles (2 km) directly N of Floyd at junction with county road between FM 903 and St. Hwy. 36.
33.16667 -96.26667
Nearly level open native prairie, dominated by tall grasses; Houston black clay. Abundant to common on ridgelets between and sides of gilgai. Flowers white.