United States, Arkansas, Perry, Ouachita Mountains. Fourche Mountains Ecoregion. USGS Nimrod 7.5' Quad. Ouachita National Forest. South Fourche LaFave River at unnamed ford along CR 362, 0.6 mi. downstream from "Rocky Crossing". This area now protected as part of the South Fourche Botanical Area.
34.91703 -93.05965 +-100m.
Vicinity of coordinates; coordinates not obtained in situ with GPS but estimated post-collection event using mapping programs. Coordinates considered accurate to within 100 m.
High quality sandstone riverscour.
Growing with Panicum virgatum, P. rigidulum, Amorpha fruticosa, Cornus obliqua, Lespedeza cuneata, Tripsacum dactyloides, Hypericum lobocarpum, & Helianthus occidentalis plantagineus.
Leaves basally disposed, forming large tussocks among cobbles.