]> GH barcode-01780806 United States of America Texas Picnic Pond on east side of road west of locked gate ca. 2.0 miles NW of headquarters, Hagerman National Wildlife Refuge, west of Sherman-Denison Ludwigia uruguayensis (Cambessedes) H. Hara (Cambessedes) H. Hara 2020-04-17 12:49:56 C. B. Hellquist