Sagittaria cordifolia Alisma cordifolium Echinodorus cordifolius Echinodorus cordifolius subsp. fluitans Echinodorus fluitans Echinodorus ovalis Echinodorus radicans Echinodorus cordifolius subsp. cordifolius Damasonium cordifolium Sagittaria radicans
Taxonomic data from World Flora Online, accessed June 20, 2024