ISNARDIA PALUSTRIS L. Sp. P1. I20. 1753.
Ludwrgiel apetala Walt. Fl. Car. 89. 1788.
Ludzeigia nitida Michx. Fl. Bor. Am. 1: 57. 1803.
Ludwigia pahrstris Ell. Bot. S.C. & Ga. is 2I I. 1817. Isnardia palustlis var. Americana DC. Prodr. 3: 61. 1828. Isnardia ascendens Hall; Eaton & Wr. N. A. Bot. 285. 184o. Ditches, streams and ponds, throughout eastern North America.