]> GH barcode-01779516 United States of America Maryland North of Showell and south west of Bishopville, along US Rt. 113, Worcester Highway, between Shingle Road and Jarvis Road, south of Birch Branch, growing at the edge of sediment retention pond on the east side of the road. Ludwigia grandiflora (Michaux) Greuter & Burdet (Michaux) Greuter & Burdet 2021-01-28 12:30:04 W. D. Longbottom