Elodea guyanensis var. dicranoides Spruce ex Casp. variety synonym

Elodea heterostemon (S.Koehler & C.P.Bove) Byng & Christenh. species accepted

Helodea canadensis L.C.Rich species synonym

Elodea ernestiae H.St.John species synonym

Udora densa (Planch.) M.R.Almeida species synonym

Elodea granadensis Bonpl. species accepted

Anacharis canadensis var. planchonii (Casp.) Vict. variety synonym

Udora verticillata var. minor Engelm. variety homotypic synonym

Egeria nuttallii Planch. species doubtful

Potamogeton densus Schwein. ex L.C.Beck species synonym

Elodea granatensis Kunth species doubtful

Elodea densa subsp. longifolia Bonstedt subspecies synonym

Elodea brandegeei H.St.John species synonym

Elodea canadensis subsp. gigantea L.H.Bailey subspecies synonym

Philotria orinocensis (Rich.) Vict. species synonym

Philotria granatensis (Humb. & Bonpl.) Vict. species synonym

Philotria guyanensis (Rich.) Vict. species synonym

Apalanthe granatensis (Humb. & Bonpl.) Planch. species synonym

Apalanthe guyanensis (Rich.) Planch. species synonym

Philotria nuttallii (Planch.) Rydb. species synonym

Philotria minor (Engelm. ex Casp.) Small species synonym

Elodea canadensis Michx. species accepted

Serpicula verticillata var. angustifolia Muhl. variety synonym

Apalanthe schweinitzii Planch. species synonym

Serpicula occidentalis Pursh species synonym

Philotria linearis Rydb. species synonym

Philotria occidentalis (Pursh) House species synonym

Hydora canadensis (Michx.) Besser species synonym

Philotria canadensis (Michx.) Britton species synonym

Philotria angustifolia (Muhl.) Britton ex Rydb. species synonym

Serpicula canadensis (Michx.) Eaton species synonym

Philotria iowensis Wylie species synonym

Philotria planchonii (Casp.) Rydb. species synonym

Serpicula verticillata Rostk. & W.L.E.Schmidt species heterotypic synonym

Philotria densa (Planch.) Small species synonym

Elodea chinensis Casp. species accepted

Philotria angustifolia Britton, 1906 species synonym

Elodea formosa Ten. species doubtful

Elodea ernstae species synonym

Helodea canadensis (Michx.) Rchb. species synonym

Anacharis callitrichoides Rick. species synonym

Elodea callitrichoides (Rich.) Casp. species accepted

Elodea richardii H.St.John species synonym

Anacharis callitrichoides Rich. species synonym

Elodea ernstiae H.St.John species synonym

Elodea granatensis Humb. & Bonpl. species accepted

Udora granatensis (Humb. & Bonpl.) Spreng. species synonym

Udora brasiliensis Endl. & Mart. ex Seub. species synonym

Elodea orinocensis Rich. species synonym

Udora orinocensis (Rich.) Spreng. species synonym

Udora guyanensis (Rich.) Steud. species synonym

Elodea guyanensis Rich. species synonym

Elodea bifoliata H.St.John species accepted

Elodea nevadensis H.St.John species synonym

Elodea longivaginata H.St.John species synonym

Elodea nuttallii (Planch.) H.St.John species accepted

Anacharis nuttallii Planch. species synonym

Elodea columbiana H.St.John species synonym

Elodea minor (Engelm. ex Casp.) Farw. species synonym

Udora verticillata var. minor Engelm. ex Casp. variety synonym

Anacharis canadensis var. latifolia (Casp.) Sanio variety synonym

Elodea occidentalis (Pursh) H.St.John species synonym

Elodea ioensis Wylie species synonym

Anacharis canadensis (Michx.) Planch. species synonym

Udora canadensis (Michx.) Nutt. species synonym

Anacharis alsinastrum Bab. ex Planch. species synonym

Elodea oblongifolia Michx. ex Casp. species synonym

Anacharis occidentalis (Pursh) Vict. species synonym

Elodea planchonii Casp. species synonym

Elodea schweinitzii (Planch.) Casp. species synonym

Anacharis pomeranica Peterm. species synonym

Anacharis linearis (Rydb.) Vict. species synonym

Elodea linearis (Rydb.) H.St.John species synonym

Elodea gigantea J.K.Santos species synonym

Elodea brandegeeae H.St.John species synonym

Elodea canadensis var. angustifolia (Muhl.) Farw. variety synonym

Elodea iowensis Wylie species synonym

Anacharis planchonii (Casp.) M.Peck species synonym

Elodea latifolia Casp. species synonym

Elodea canadensis var. planchonii (Casp.) Farw. variety synonym

Elodea canadensis var. latifolia (Casp.) Asch. & Graebn. variety synonym

Elodea potamogeton (Bertero) Espinosa species accepted

Elodea matthewsii (Planch.) H.St.John species synonym

Anacharis matthewsii Planch. species synonym

Diplandra potamogeton Bertero species synonym

Egeria matthewsii (Planch.) Planch. ex Benth. & Hook.f. species synonym

Anacharis chilensis Planch. species synonym

Elodea peruviensis H.St.John species synonym

Anacharis potamogeton (Bertero) Vict. species synonym

Egeria chilensis Planch. ex Benth. & Hook.f. species synonym

Elodea titicacana H.St.John species synonym

Elodea chilensis (Planch.) Casp. species synonym

Egeria najas Planch. species synonym

Anacharis hilariana Casp. species synonym

Elodea najas (Planch.) Casp. species accepted

Elodea guyanensis f. longifolia Chodat & Hassl. form synonym

Anacharis naias (Planch.) Vict. species synonym

Elodea kochii Herter species synonym

Elodea paraguayensis Herter species synonym

Egeria densa Planch. species synonym

Elodea canadensis var. gigantea L.H.Bailey variety synonym

Anacharis densa (Planch.) Vict. species synonym

Elodea densa (Planch.) Casp. species accepted

Elodea densa var. longifolia Bonstedt variety synonym

Egeria heterostemon S.Koehler & C.P.Bove species synonym

Anacharis iowensis (Wylie) Wylie species synonym

Udora fernandesii M.R.Almeida & S.M.Almeida species doubtful

Elodea oblongifolia Michx. species homotypic synonym

Udora australis F.Muell. species doubtful

Potamogeton densus Schwein. species homotypic synonym

Udora guyanensis Chat. species doubtful

Egeria chilensis Planch. species homotypic synonym

Udora brasiliensis Endl. & Mart. species homotypic synonym

Elodea guyanensis var. dicranoides Spruce variety homotypic synonym

Udora surinamensis Miq. species doubtful

Anacharis alsinastrum Bab. species synonym

Egeria matthewsii (Planch.) Planch. species homotypic synonym

Anacharis tripteris Steud., 1840 species doubtful

Udora verticillata Nutt., 1818 species doubtful