United States, Arkansas, Franklin, Arkansas Valley. Arkansas Valley Plains Ecoregion. USGS Branch 7.5' Quad. H. E. Flanagan Prairie Natural Area. "Madden Tract." 25 yds. E of N Grand Prairie Rd from point 0.95 mi. S of jct with Hwy 60.
35.32104 -93.99827
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.
Edge of seepage-fed swale at edge of high-quality remnant prairie.
For additional information about this specimen, please contact: Diana Soteropoulos, ANHC Collections Manager; Arkansas Herbarium Digitization Coordinator (diana.soteropoulos@arkansas.gov)