]> GH barcode-01779520 United States of America Alabama Backwaters from Demopolis Dam, in Warrior River a few miles from its mouth. Ludwigia hexapetala (Hooker & Arnott) Zardini, H.Y. Gu & P.H. Raven (Hooker & Arnott) Zardini, H.Y. Gu & P.H. Raven 2020-09-16 13:59:44 R. M. Harper