Synonyms
Elatine triandra subsp. americana (Pursh) Á.Löve & D.Löve
Potamopitys americana (Pursh) Kuntze
Peplis americana Pursh
Elatine triandra var. americana (Pursh) Fassett
Elatine americana var. callitriche Hook.f.
Alsinastrum americanum (Pursh) Torr. & A.Gray ex Rupr.