]> GH barcode-01597456 United States of America South Carolina Found in the headwaters of Messer's Pond along Fire Break 55 east of Wood's Rd on Ft. Jackson Military Reservation. Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenburg (Walter) Britton, Sterns & Poggenburg 2020-10-01 09:25:49 K. B. Kelly, Jr. & J. B. Nelson