Rotala kanayensis Rijuraj, Rajendraprasad, Shaju & Pandurangan species accepted

Rotala biglandulosa Arun Pr. & Sardesai species accepted

Rotala baileyana Rogi, Joby, Rameshan, Nisha & I.Antony species accepted

Rotala tenella f. fluviatilis A.Fern. & Diniz form synonym

Ammannia pentrandra var. illecebroides Arn. variety homotypic synonym

Rotala filiformis f. hiernii Koehne form synonym

Rotala densiflora subsp. melitoglossa subspecies synonym

Ammannia pentrandra var. illecebroides Arn. ex C.B.Clarke variety synonym

Rotala leptopetala var. pentamera Koehne variety synonym

Ammannia pentandra C.B.Clarke species synonym

Ortegioides decussata Sol. ex DC. species synonym

Rotala densiflora subsp. uliginosa (Roth) Koehne subspecies synonym

Ammannia subspicata Hohen. ex C.B.Clarke species synonym

Rotala indica var. uliginosa (Miq.) Koehne variety synonym

Boykinia humilis Raf. ex S.Watson species synonym

Rotala albida Á.Löve & D.Löve species doubtful

Rotala kasaragodensis K.S.Prasad & Raveendran species accepted

Rotala verticillaris Hiern species synonym

Rotala tulunadensis K.S.Prasad, P.Biju, Raveendran & K.G.Bhat species accepted

Rotala subrotunda var. latifolia (Wall.) Koehne variety synonym

Rotala malampuzhensis R.V.Nair species accepted

Ammannia pentandra var. fimbriata Wight ex C.B.Clarke variety synonym

Ammannia subspicata Hohen. ex Hook.f. species synonym

Rotala belgaumensis S.R.Yadav, Malpure & Chandore species accepted

Ammannia roxburghiana Wight species synonym

Rotala mexicana var. chamissoana Koehne variety synonym

Rotala koreana (Nakai) T.Mori species synonym

Rotala ramosior (L.) Koehne species accepted

Rotala mexicana f. minima Koehne form synonym

Ammannia rotundifolia Buch.-Ham. ex Roxb. species synonym

Rotala meenkulamensis K.S.Prasad & Raveendran species accepted

Rotala leptopetala var. littorea (Miq.) Koehne variety synonym

Rotala cheruchakkiensis Anto, Devikrishna, Pulickal, C.D.Varghese & I.Antony species accepted

Rotala sahyadrica S.P.Gaikwad, Sardesai & S.R.Yadav species accepted

Rotala anamika Lemiya species accepted

Rotala thymoides var. angustifolia A.Fern. & Diniz variety synonym

Rotala pseudojuniperina Lekhak & S.R.Yadav species accepted

Rotala protracta W.J.de Wilde & Duyfjes species accepted

Rotala saxatilis W.J.de Wilde & Duyfjes species accepted

Boykiana humilis (Michx.) Raf. species synonym

Rotala subrotunda subsp. latifolia (Wall.) Koehne subspecies synonym

Rotala khaleeliana Sunil, Ratheesh & Nandakumar species accepted

Ammannia illecebrioides Arn. species synonym

Rotala dhaneshiana Sunil, Ratheesh & Sivad. species accepted

Rotala mexicana var. spruceana Hiern variety synonym

Ammannia elatinoides DC. species heterotypic synonym

Rotala pentandra Wight species synonym

Ammannia ramosior Blanco species heterotypic synonym

Ammannia elatinoides Schimp. species homotypic synonym

Ammannia fimbriata Wight species homotypic synonym

Lythrum uniflorum Perr. species homotypic synonym

Ammannia pentandra var. fimbriata Wight variety homotypic synonym

Ammannia subrotunda Wall. species homotypic synonym

Ammannia catholica Hook. & Arn. species homotypic synonym

Rotala petaloidea Wight species homotypic synonym

Rotala myriophylloides Welw. species homotypic synonym

Ammannia repens Rottler species homotypic synonym

Eutelia ammannioides R.Br. species homotypic synonym

Ammannia subspicata Hohen. species homotypic synonym

Ammannia rotala F.Muell. species synonym

Rotala decussata Hiern species heterotypic synonym

Ammannia rubra Buch.-Ham. ex D.Don species synonym

Rotala mexicana subsp. typica Koehne subspecies synonym

Ammannia baccifera Roth species heterotypic synonym

Ammannia rotundifolia Buch.-Ham. ex D.Don species synonym

Rotala heteropetala var. engleri Koehne variety synonym

Ammannia wallichii (Hook.fil.) Kurz species synonym

Ammannia alata Steud. species heterotypic synonym

Ammannia verticillaris (L.) Baill. species synonym

Ammannia acutidens Miq. species synonym

Rotala wildii A.Fern. species synonym

Rotala welwitschii Exell species accepted

Rotala wallichii (Hook.fil.) Koehne species accepted

Rotala verticillata Christm. species synonym

Rotala verticillaris var. spruceana (Benth.) Hiern variety synonym

Ameletia uliginosa Miq. species synonym

Ameletia tenuis Wight species synonym

Rotala verdcourtii A.Fern. species accepted

Ameletia tenella (Guill. & Perr.) Blume species synonym

Ammannia tenuis (Wight) C.B.Clarke species synonym

Rotala vasudevanii K.T.Joseph & Sivar. species accepted

Ameletia subspicata Benth. species synonym

Ammannia tenella Guill. & Perr. species synonym

Rotala urundiensis A.Fern. & Diniz species synonym

Ameletia rotundifolia (Buch.-Ham. ex Roxb.) Wight species synonym

Ammannia subspicata (Benth.) Benth. species heterotypic synonym

Rotala tripartita Beesley species accepted

Ameletia elatinoides (DC.) Blume species synonym

Ameletia diandra F.Muell. species synonym

Ammannia subrotunda Wall. ex Kurz species synonym

Rotala thymoides Exell species accepted

Rotala tetragonocalyx A.Fern. & Diniz species synonym

Ameletia acutidens Miq. species synonym

Ammannia simpliciuscula S.Kurz species synonym

Rotala tenuis (Wight) Koehne species synonym

Rotala tenella (Guill. & Perr.) Hiern species accepted

Rotala taiwaniana Y.C.Liu & F.Y.Lu species accepted

Rotala subrotunda (Wall. ex Kurz) Koehne species accepted

Rotala submersa var. angustipetala A.Fern. variety synonym

Rotala stuhlmannii Koehne species synonym

Rotala stipulata Blatt. & Hallb. species accepted

Rotala stagnina Hiern species accepted

Rotala sphagnoides H.Perrier species accepted

Rotala smithii A.Fern. & Diniz species accepted

Rotala simpliciuscula (S.Kurz) Koehne species accepted

Rotala serpyllifolia (Roth) Bremek. species accepted

Rotala serpiculoides Welw. ex Hiern species accepted

Rotala rubra (Buch.-Ham. ex D.Don) H.Hara species accepted

Rotala roxburghiana Wight species synonym

Rotala rotundifolia var. macrandra (Koehne) M.R.Almeida variety synonym

Ammannia rotala Benth. species synonym

Rotala rotunda A.Chev. species synonym

Ammannia rosea Poir. species synonym

Peplis occidentalis Spreng. species synonym

Rotala rosea (Poir.) C.D.K.Cook ex Hara species synonym

Peplis indica Willd. species synonym

Rotala robynsiana A.Fern. & Diniz species synonym

Ammannia ritchiei C.B.Clarke species synonym

Rotala ritchiei (C.B.Clarke) Koehne species accepted

Rotala repens (Hochst.) Koehne species accepted

Ammannia repens Rottler ex Mart. species synonym

Rotala ramosior var. dentifera (A.Gray) Lundell variety synonym

Ammannia ramosa Hill species synonym

Rotala pygmaea (Kurz) Rajagopal & Ramayya species synonym

Rotala pusilla Tul. species synonym

Rotala pterocalyx A.Raynal species accepted

Rotala petaloidea Wight ex Steud. species synonym

Rotala peregrina H.Perrier species accepted

Rotala pentandra (Roxb.) Blatt. & Halb. species heterotypic synonym

Rotala pedicellata A.Fern. & Diniz species synonym

Rotala pearsoniana A.Fern. & Diniz species synonym

Rotala occultiflora var. leichhardtii Koehne variety synonym

Mirkooa rotundifolia (Buch.-Ham. ex Roxb.) Wight species synonym

Rotala oblonga Peter species synonym

Rotala nummularia Welw. ex Hiern species synonym

Rotala nashii A.Fern. species synonym

Rotala myriophylloides Welw. ex Hiern species accepted

Rotala minuta A.Fern. & Diniz species synonym

Ammannia peploides Spreng. species synonym

Rotala milne-redheadii A.Fern. & Diniz species synonym

Ammannia pentandra var. decussata (DC.) Benth. variety synonym

Rotala mexicana var. spruceana (Benth.) Koehne variety synonym

Rotala mexicana subsp. pusilla (Tul.) Koehne subspecies synonym

Rotala mexicana f. media Koehne form synonym

Rotala mexicana f. major Koehne form synonym

Rotala mexicana subsp. hierniana Koehne subspecies synonym

Rotala mexicana var. apetala (F.Muell.) Lourteig variety synonym

Rotala malampuzhensis R.V.Nair ex C.D.K.Cook species doubtful

Ammannia occidentalis var. pygmaea Chapm. variety synonym

Ortegioides decussata Sol., 1828 species doubtful

Rotala malabarica Pradeep, K.T.Joseph & Sivar. species accepted

Rotala macrandra Koehne species accepted

Ammannia nana Roxb. species synonym

Rotala lucalensis A.Fern. & Diniz species accepted

Rotala longistyla Gibbs species synonym

Rotala longicaulis A.Fern. & Diniz species synonym

Rotala longibracteolata Domin species synonym

Rotala letouzeyana Bamps species accepted

Rotala leptopetala (Blume) Koehne species synonym

Rotala koreana (Nakai) Nakai species synonym

Rotala kainantensis Masam. species synonym

Ammannia multicaulis Raf. species synonym

Rotala juniperina A.Fern. species accepted

Ammannia monoflora Blanco species synonym

Ammannia mexicana (Cham. & Schltdl.) Baill. species synonym

Rotala illecebroides (Arn. ex C.B.Clarke) Koehne species accepted

Rotala hutchinsoniana A.Fern. species synonym

Rotala hippuris Makino species accepted

Rotala hexandra Koehne species accepted

Rotala heterophylla Welw. ex A.Fern. & Diniz species synonym

Rotala heteropetala Koehne species synonym

Ammannia littorea Miq. species proparte synonym

Ditheca densiflora (Roth ex Roem. & Schult.) Miq. species synonym

Rotala halophila H.Perrier species accepted

Rotala gossweileri Koehne species accepted

Ammannia linearifolia Raf. species synonym

Rotala gerardii Boutique species accepted

Ammannia leptopetala Blume species synonym

Rotala fysonii Blatt. & Hallb. species accepted

Rotala fontinalis Hiern species accepted

Rotala fluitans Pohnert species accepted

Rotala floribunda (Wight) Koehne species accepted

Rotala fimbriata Wight species accepted

Rotala filiformis (Bellardi) Hiern species accepted

Lythrum uniflorum Perr. ex DC. species synonym

Rotala elatinomorpha Makino species synonym

Rotala elatinoides (DC.) Hiern species accepted

Rotala diversifolia Koehne species synonym

Rotala dinteri Koehne ex Schinz species doubtful

Ammannia indica (Willd.) Druce species synonym

Rotala diglossandra Koehne species synonym

Rotala diandra (F.Muell.) Koehne species synonym

Suffrenia filiformis Bellardi species synonym

Suffrenia capensis Harv. species synonym

Ameletia polystachya Wall. species synonym

Rotala densiflora var. exappendiculata (Koehne) Koehne variety synonym

Ameletia indica (Willd.) DC. species synonym

Rotala densiflora subsp. aristata (Koehne) Koehne subspecies synonym

Ameletia floribunda (Wight) Wight species synonym

Ameletia elongata Blume species synonym

Rotala decussata DC. species heterotypic synonym

Ammannia humilis Michx. species synonym

Ammannia heyneana Wall. species synonym

Ammannia hexandra Wall. species synonym

Rotala decumbens A.Fern. species synonym

Rotala debilissima Chiov. species synonym

Rotala cordipetala R.E.Fr. species synonym

Ammannia floribunda (Wight) C.B.Clarke species heterotypic synonym

Rotala cordifolia Baker species accepted

Rotala cordata Koehne species accepted

Ammannia fimbriata Wight ex C.B.Clarke species synonym

Rotala cookii K.T.Joseph & Sivar. species accepted

Rotala congolensis A.Fern. & Diniz species synonym

Rotala cataractae Koehne species synonym

Ammannia elongata Blume species synonym

Rotala capensis (Harv.) A.Fern. & Diniz species accepted

Ammannia elatinoides Schimp. ex Hiern species heterotypic synonym

Rotala brevistyla Baker fil. species synonym

Rotala apetala F.Muell. species synonym

Tritheca pentandra (Wight) Miq. species proparte synonym

Rotala andamanensis S.P.Mathew & Lakshmin. species accepted

Rotala alata (Steud.) Koehne species synonym

Ammannia diandra (F.Muell.) Benth. species synonym

Hypobrichia spruceana var. tenuifolia Griseb. variety synonym

Ammannia dentifera A.Gray species synonym

Hydrolythrum wallichii Hook.fil. species synonym

Hoshiarpuria minutiflora Hajra, P.Daniel & Philcox species synonym

Sellowia uliginosa Roth species synonym

Ammannia catholica Hook. & Arn. ex Seem. species heterotypic synonym

Ammannia densiflora Roth species synonym

Rotala densiflora var. formosana Hayata variety synonym

Ammannia illecebroides Arn. species synonym

Ammannia polystachya Wall. ex Wight & Arn. species synonym

Ammannia pygmaea Kurz species synonym

Rotala rotundifolia (Buch.-Ham. ex Roxb.) Blatt. & Hallb. species synonym

Ammannia filiformis (Bellardi) Baill. species heterotypic synonym

Rotala uliginosa (Miq.) Nakai species synonym

Rotala rosea (Poir.) C.D.K.Cook species accepted

Rotala littorea (Miq.) Nakai species synonym

Ammannia densiflora Roth ex Roem. & Schult. species synonym

Nimmoia floribunda Wight species synonym

Rhyacophila repens Hochst. species synonym

Winterlia uliginosa (Roth) Spreng. species synonym

Quartinia turfosa A.Rich. species synonym

Quartinia repens (Hochst.) Endl. ex Walp. species synonym

Rotala rotundifolia (Buch.-Ham. ex Roxb.) Koehne species accepted

Rotala verticillaris L. species accepted

Rotala submersa Pohnert species synonym

Rotala ramosior var. ramosior variety synonym

Rotala occultiflora Koehne species accepted

Ammannia pentandra Roxb. species heterotypic synonym

Rotala mexicana Cham. & Schltdl. species accepted

Rotala mexicana var. mexicana variety synonym

Ammannia occidentalis (Spreng.) DC. species synonym

Rotala densiflora (Roem. & Schult.) Koehne species accepted

Hypobrichia spruceana Benth. ex Benth. & Hook.fil. species synonym

Rotala diglossa Koehne species synonym

Rotala indica var. koreana Nakai variety synonym

Ammannia latifolia Wall. species synonym

Eutelia ammannioides R.Br. ex DC. species synonym

Boykinia humilis (Michx.) Raf. species synonym

Aetheilema rothii Steud. species synonym

Micranthus serpyllifolius Roth species heterotypic synonym

Rotala ramosior var. typica Fernald & Griscom variety synonym

Rotala dentifera (A.Gray) Koehne species synonym

Rotala ramosior var. interior Fernald & Griscom variety synonym

Rotala indica (Willd.) Koehne species accepted

Ammannia ramosior L. species proparte synonym

Tritheca pentandra (Wight) Miq. species proparte synonym

Ammannia littorea Miq. species proparte synonym

Rotala ramosior subsp. interior Fern. & Grisc. subspecies synonym

Rotala verticillaris subsp. spruceana (Bentham) Hiern subspecies synonym

Rotala mexicana subsp. spruceana (Bentham) Koehne subspecies synonym

Ammannia pentandra var. illecebroides C.B.Clarke variety synonym

Ameletia rotundifolia (Buch.-Ham. ex Roxb.) Dalzell & A.Gibson species synonym

Ortegoides decussata Sol. species synonym

Rotala ramosior subsp. typica Fern. & Grisc. subspecies synonym

Rotala spec (Linnaeus, 1753) Koehne, 1877 species accepted

Rotala serpiculoides Welw. species homotypic synonym

Quartinia repens (Hochst.) Endl. species homotypic synonym

Rotala heterophylla Welw. species homotypic synonym

Rotala nummularia Welw. species homotypic synonym

Rotala diandra (F.Muell.) F.Muell. species accepted

Rotala dinteri Koehne species accepted

Rotala indica Blatt. & Hallb. species doubtful

Rotala indica subsp. uliginosa (Miq.) Koehne subspecies synonym