Brant - 7859 - United States
Bush - 1290 - United States
Davidse - 38119 - United States
Hall - 218 - United States
Haug - 42 - United States
Heller - 4142 - United States
Henderson - 63-1842 - United States
Hill - 26166 - United States
Lehto - L23327 - United States
Lindheimer - 59 - United States
Lindheimer - s.n. - United States
Ludwigia decurrens
McDaniel - 12155 - United States
Morgan - 1071 - United States
Palmer - 10464 - United States
Parks - s.n. - United States
Reverchon - 293 - United States
Shull - 248 - United States
Sperry - 1063 - Costa Rica
Stevens - 2377 - United States
Steyermark - 805865 - United States
Stratton - 591 - United States
Tharp - s.n. - United States
Turner - 12-110 - United States
Turner - 12-123 - United States
Unknown - s.n. - United States
Warner - s.n. - United States
Yatskievych - 98-91 - United States
Zamora Villalobos - 9004 - Costa Rica
Zardini - 19024 - Paraguay