United States, Missouri, Jefferson, 6.5 mi (10.5 km) W of DeSoto. Above bluff near Big River, ca. 0.1 mi (0.16 km) NNE of its confluence with Parker Creek
38.125 -90.675
183 meters (600ft)
Open woods on cherty ridgetop
Unknown
Large, clumped perennial grass, the inflorescences nodding gracefully