Bush - 1400 - United States
Bush - 161 - United States
Carter - 2504 - United States
Davidse - 38303 - United States
Davidse - 43264 - United States
Letterman - s.n. - United States
Ludwigia palustris
Lundell - 14094 - United States
Moore - 3048 - United States
Palmer - 34533 - United States
Raven - 19406 - United States
Raven - 19437 - United States
Raven - 19438 - United States
Raven - 20420 - United States
Stevens - 2001 - United States
Stevens - 2504 - United States
Svenson - 6446 - United States
Taylor - 31920 - United States
Tharp - s.n. - United States
Tracy - 8718 - United States
Turner - 20-031 - United States
Unknown - s.n. - United States
Waterfall - 3093 - United States
Yatskievych - 90-416 - United States