Sparganium Sparganium erectum Sparganium eurycarpum Sparganium angustifolium Sparganium arcuscaulis Sparganium manshuricum Sparganium choui Sparganium androcladum Sparganium kawakamii Sparganium subglobosum Sparganium amplexicaulium Sparganium longifolium Sparganium hyperboreum Sparganium speirocephalum Sparganium americanum Sparganium fluctuans Sparganium rothertii Sparganium emersum Sparganium fallax Sparganium multiporcatum Sparganium oligocarpon Sparganium splendens Sparganium glomeratum Sparganium natans Sparganium gramineum Sparganium japonicum Sparganium englerianum Sparganium tenuicaule Sparganium probatovae