]> GH barcode-01780694 United States of America Michigan E end of Gilligan Lake, NW 1/4 SW 1/4 sec. 15, Laketown Tp. (T4N, R16W), ca. 5 mi. N of Saugatuck. Ludwigia sphaerocarpa Elliott Elliott 2021-02-04 08:46:22 E. G. Voss [data not captured]