Hydromystria laevigata (Humb. & Bonpl. ex Willd.) Díaz-Mir. & Philcox, 1981 species synonym

Limnobium laevigatum (Humb. & Bonpl. ex Willd.) C.V.Morton, 1973 species synonym

Hydrocharis morsus species accepted

Limnobium bogotense (H.Karst.) G.Nicholson species synonym

Hydrocharis laevigata (Humb. & Bonpl. ex Willd.) Byng & Christenh. species accepted

Ottelia chevalieri DeWild. species synonym

Limnobium spongia subsp. spongia subspecies synonym

Trianea neovisae Romero species synonym

Sagittaria triflora Miq. species heterotypic synonym

Hydrocharis morsus-ranae subsp. asiatica (Miq.) Makino subspecies synonym

Boottia renifolia Merr. species synonym

Pontederia dubia Blume species synonym

Monochoria dubia (Blume) Miq. species synonym

Rhizakenia ovata Raf. species synonym

Hydromystria stolonifera G.Mey. species synonym

Hydrocharella echinospora Spruce ex Benth. & Hook.f. species synonym

Hydromystria laevigata (Humb. & Bonpl. ex Willd.) Hunz. species synonym

Hydromystria sinclairii (Benth.) Hauman species synonym

Jalambicea repens Cerv. species synonym

Trianea bogotensis H.Karst. species synonym

Limnobium spongia Baill., 1894 species doubtful

Hydrocharis cellulosa Buch-Ham species synonym

Hydrocharis cordifolia St.-Lag. species heterotypic synonym

Hydrocharis dubia (Blume) Dandy, 1932 species synonym

Limnobium obliteratum Cockerell, 1908 species doubtful

Hydrocharis morsus-ranae subsp. vivipara (Ces.) Arcang. subspecies synonym

Hydrocharis asarifolia var. odoratissima Gray variety synonym

Hydrocharis morsus-ranae L. species accepted

Hydrocharis batrachyodegma St.-Lag. species synonym

Hydrocharis morsus-ranae f. terrestris Glück form synonym

Hydrocharis rotundifolia Gilib. species synonym

Hydrocharis cordifolia Nutt. species heterotypic synonym

Hydrocharis asarifolia Gray species synonym

Hydrocharis dubia (Blume) Backer species accepted

Hydrocharis cellulosa Buch.-Ham. ex Prain species synonym

Hydrocharis morsus-ranae var. asiatica (Miq.) Makino variety synonym

Limnobium dubium (Blume) Shäffer-Fehre species synonym

Hydrocharis asiatica Miq. species synonym

Hydrocharis parvula Hallier f. species synonym

Hydrocharis parnassiifolia Hallier f. species synonym

Hydrocharis chevalieri (De Wild.) Dandy species accepted

Ottelia chevalieri De Wild. species synonym

Hydrocharis salifera Pellegr. species synonym

Limnobium spongia (Bosc) Steud. species synonym

Hydrocharis spongia Bosc species accepted

Limnobium boscii Rich. species synonym

Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine species synonym

Limnobium bogotense (H.Karst.) Delay species synonym

Limnobium stoloniferum (G.Mey.) Griseb. species synonym

Limnobium spongia subsp. laevigatum (Humb. & Bonpl. ex Willd.) Lowden subspecies synonym

Limnobium sinclairii Benth. species synonym

Hydrocharis stolonifera (G.Mey.) Kuntze species synonym