]> GH barcode-02057664 United States of America Arkansas within central part of Warren Prairie Natural Area, 5.36 air miles Southeast of Warren on East side of AR Hwy 172 near Drew County line; 33.5796 N, -91.9811 W. Evolvulus sericeus Swartz Swartz 2021-04-21 10:23:12 A. B. Pittman