Number of species, subspecies, varieties and forms found: 704

N° Name Name status
Acanthophora muscoides (Linnaeus) Bory Valid
Acanthophora spicifera (M.Vahl) Børgesen Valid
Acetabularia caliculus J.V.Lamouroux Valid
Acetabularia crenulata J.V.Lamouroux Valid
Acetabularia myriospora A.B.Joly & Cordeiro-Marino Synonym
Acetabularia pusilla (M.Howe) Collins Synonym
Acetabularia schenckii Möbius Valid
Acicularia schenckii (Mobius) Solms-Laubach Synonym
Acinetospora crinita (Carmichael) Sauvageau Valid
Acinetospora pusilla (A.W.Griffiths ex Harvey) De Toni Synonym
Acrochaete viridis (Reinke) R.Nielsen Synonym
Acrochaetium crassipes (Børgesen) Børgesen Valid
Acrochaetium flexuosum Vickers Valid
Acrochaetium gracile Børgesen Synonym
Acrochaetium hallandicum (Kylin) Hamel Synonym
Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli Valid
Acrochaetium phacelorhizum Børgesen Valid
Acrochaetium sagraeanum (Montagne) Bornet Valid
Acrochaetium sargassi Børgesen Synonym
Acrochaetium seriatum Børgesen Synonym
Acrosorium uncinatum (Turner) Kylin Synonym
Acrothamnion butlerae (Collins) Kylin Valid
Aegira zosterae (Mohr) Fries Synonym
Agardhiella ramosissima (Harvey) Kylin Valid
Agardhiella ramosissima var. harveyana J.Agardh Synonym
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne Valid
Agardhiella tenera (J.Agardh) F.Schmitz Synonym
Agissea simulans (Weber Bosse) Pestana, Lyra, Cassano & J.M.C.Nunes Valid
Aglaothamnion boergesenii (Aponte & D.L.Ballantine) L'Hardy-Halos & Rueness Valid
Aglaothamnion cordatum (Børgesen) Feldmann-Mazoyer Valid
Aglaothamnion flexibile N.E. Aponte & D.L. Ballantine Valid
Aglaothamnion halliae (Collins) Aponte, D.L.Ballantine & J.N.Norris Valid
Aglaothamnion herveyi (M.Howe) N.E.Aponte, D.L.Ballantine, & J.N.Norris Valid
Aglaothamnion neglectum Feldmann-Mazoyer Synonym
Aglaothamnion tenuissimum (Børgesen) Feldmann-Mazoyer Valid
Aglaothamnion uruguayense (W.R.Taylor) N.E.Aponte, D.L.Ballantine & J.N.Norris Valid
Alsidium cymatophylum R.E.Norris Synonym
Alsidium seaforthii (Turner) J.Agardh Valid
Alsidium triquetrum (S.G.Gmelin) Trevisan Valid
Amansia multifida J.V.Lamouroux Valid
Amphiroa beauvoisii J.V.Lamouroux Valid
Amphiroa brasiliana Decaisne Valid
Amphiroa currae Ganesan Valid
Amphiroa fragilissima (Linnaeus) J.V.Lamouroux Valid
Amphiroa hancockii W.R.Taylor Valid
Amphiroa nodulosa Kützing Valid
Amphiroa rigida J.V.Lamouroux Valid
Amphiroa rigida var. antillana Børgesen Synonym
Amphiroa tribulus (J.Ellis & Solander) J.V.Lamouroux Valid
Anadyomene pavonina (J.Agardh) Wille Valid
Anadyomene rhizoidifera A.B.Joly & S.Pereira Valid
Anadyomene stellata (Wulfen) C.Agardh Valid
Anotrichium barbatum (C.Agardh) Nägeli Valid
Anotrichium tenue (C.Agardh) Nägeli Valid
Antithamnion antillanum Børgesen Valid
Antithamnion lherminieri Nasr Synonym
Antithamnion tristicum Joly & Yamaguishi Synonym
Antithamnionella boergesenii (Cormaci & G.Furnari) Athanasiadis Valid
Antithamnionella breviramosa (E.Y.Dawson) Wollaston Valid
Antithamnionella graeffei (Grunow) Athanasiadis Valid
Apoglossum gregarium (E.Y.Dawson) M.J.Wynne Synonym
Archaeolithothamnion episporum M.Howe Synonym
Asparagopsis taxiformis (Delile) Trevisan Valid
Asterocladon rhodochortonoides (Børgesen) S.Uwai, C.Nagasato, T.Motomura & K.Kogame Valid
Asterocytis ramosa (Thwaites) Gobi ex F.Schmitz Synonym
Asteromenia peltata (W.R.Taylor) Huisman & A.J.K.Millar Valid
Asteronema breviarticulatum (J.Agardh) Ouriques & Bouzon Valid
Audouinella gracilis (Børgesen) Jaasund Synonym
Audouinella hallandica (Kylin) Woelkerling Synonym
Audouinella microscopica (Nägeli ex Kützing) Woelkerling Synonym
Audouinella phacelorhiza (Børgesen) Garbary Synonym
Austrokallymenia westii (Ganesan) C.W.Schneider & G.W.Saunders Valid
Avrainvillea digitata D.S.Littler & M.M.Littler Valid
Avrainvillea geppiorum Børgesen Valid
Avrainvillea longicaulis (Kützing) G.Murray & Boodle Valid
Avrainvillea mazei G.Murray & Boodle Valid
Avrainvillea nigricans Decaisne Valid
Avrainvillea nigricans f. floridana D.S.Littler & Littler Valid
Avrainvillea rawsonii (Dickie) M.A.Howe Valid
Bachelotia antillarum (Grunow) Gerloff Valid
Bachelotia fulvescens (Bornet) Kuckuck ex Hamel Synonym
Balliella pseudocorticata (E.Y.Dawson) D.N.Young Valid
Batophora occidentalis (Harvey) S.Berger & Kaever ex M.J.Wynne Valid
Batophora occidentalis var. largoensis (J.S.Prince & S.Baker) S.Berger & Kaever ex M.J.Wynne Valid
Batophora oerstedii J.Agardh Valid
Boodlea composita (Harvey) F.Brand Valid
Boodlea struveoides M. Howe Valid
Boodleopsis pusilla (F.S.Collins) W.R.Taylor, A.B.Joly & Bernatowicz Valid
Bostrychia binderi Harvey Valid
Bostrychia calliptera (Montagne) Montagne Valid
Bostrychia montagnei Harvey Valid
Bostrychia moritziana (Sonder ex Kützing) J.Agardh Valid
Bostrychia pilulifera Montagne Valid
Bostrychia radicans (Montagne) Montagne Valid
Bostrychia rivularis Harvey Synonym
Bostrychia tenella (J.V.Lamouroux) J.Agardh Valid
Botryocladia botryoides (Wulfen) Feldmann Valid
Botryocladia enteromorpha (Harvey) W.E.Schmidt, Lozada-Troche, D.L.Ballantine & Fredericq Valid
Botryocladia ganesanii Aponte Diaz Valid
Botryocladia monoica Schnetter Valid
Botryocladia occidentalis (Børgesen) Kylin Valid
Botryocladia papenfussiana Ganesan & Lemus Valid
Botryocladia pyriformis (Børgesen) Kylin Valid
Botryocladia shanksii Dawson Valid
Brongniartella mucronata (Harvey) F.Schmitz Synonym
Bryocladia atlantica (Kapraun & J.N.Norris) Díaz-Tapia Valid
Bryocladia cuspidata (J.Agardh) De Toni Valid
Bryocladia scopulorum (Harvey) Díaz-Tapia Valid
Bryocladia thyrsigera (J.Agardh) F.Schmitz Valid
Bryopsis duchassaingii J.Agardh Synonym
Bryopsis halliae WRTaylor Valid
Bryopsis harveyana J.Agardh Synonym
Bryopsis hypnoides J.V.Lamouroux Valid
Bryopsis pennata J.V.Lamouroux Valid
Bryopsis pennata var. leprieurii (Kützing) Collins & Hervey Valid
Bryopsis pennata var. secunda (Harvey) Collins & Hervey Valid
Bryopsis plumosa (Hudson) C.Agardh Valid
Bryopsis ramulosa Montagne Valid
Bryothamnion seaforthii (Turner) Kützing Synonym
Bryothamnion triquetrum (S.G.Gmelin) M.Howe Synonym
Callithamniella tingitana (Schousboe ex Bornet) Feldmann-Mazoyer Valid
Callithamnion byssoides Arnott ex Harvey Synonym
Callithamnion halliae Collins Synonym
Callithamnion uruguayense W.R.Taylor Synonym
Caloglossa leprieurii (Montagne) J.Agardh Synonym
Caloglossa leprieurii (Montagne) G.Martens Valid
Calonitophyllum medium (Hoyt) Aregood Valid
Canistrocarpus cervicornis (Kützing) De Paula & De Clerck Valid
Canistrocarpus cervicornis f. pseudohamatus (Cribb) M.J.Wynne Valid
Canistrocarpus crispatus (J.V.Lamouroux) De Paula & De Clerck Valid
Carradoriella denudata (S.G.Gmelin) Trevisan Valid
Catenella caespitosa (Withering) L.M.Irvine Valid
Catenella impudica (Montagne) J.Agardh Valid
Catenella repens (Lightfoot) Batters Synonym
Caulerpa ambigua Okamura Valid
Caulerpa ambigua var. luxurians (W.R.Taylor) Eubank Synonym
Caulerpa ashmeadii Harvey Valid
Caulerpa chemnitzia (Esper) J.V.Lamouroux Valid
Caulerpa crassifolia (C.Agardh) J.Agardh Synonym
Caulerpa crassifolia f. mexicana (Sonder ex Kützing) J.Agardh Synonym
Caulerpa cupressoides (Vahl) C.Agardh Valid
Caulerpa cupressoides var. flabellata Børgesen Valid
Caulerpa cupressoides var. lycopodium Weber-van Bosse Valid
Caulerpa cupressoides var. mamillosa (Montagne) Weber-van Bosse Valid
Caulerpa cupressoides var. turneri Weber-van Bosse Valid
Caulerpa cupressoides var. lycopodium f. intermedia Weber-van Bosse Valid
Caulerpa cupressoides var. mamillosa f. nuda Weber-van Bosse Valid
Caulerpa cylindracea Sonder Valid
Caulerpa fastigiata Montagne Valid
Caulerpa hummii Díaz-Piferrer Synonym
Caulerpa lanuginosa J.Agardh Valid
Caulerpa macrophysa (Sonder ex Kützing) G.Murray Synonym
Caulerpa mexicana Sonder ex Kützing Valid
Caulerpa mexicana f. pectinata (Kützing) W.R.Taylor Valid
Caulerpa microphysa (Weber-van Bosse) Feldmann Valid
Caulerpa pectinata Kützing Synonym
Caulerpa peltata J.V.Lamouroux Synonym
Caulerpa peltata var. peltata J.V.Lamouroux Synonym
Caulerpa prolifera (Forsskål) J.V.Lamouroux Valid
Caulerpa prolifera var. obovata (J.Agardh) Weber-van Bosse Valid
Caulerpa prolifera f. obovata (J.Agardh) Weber-van Bosse Valid
Caulerpa pusilla (Kützing) J.Agardh Valid
Caulerpa racemosa (Forsskål) J.Agardh Valid
Caulerpa racemosa var. clavifera (Turner) Weber-van Bosse Synonym
Caulerpa racemosa var. laetephysa (Kutzing) Taylor Valid
Caulerpa racemosa var. laetevirens (Montagne) Weber-van Bosse Synonym
Caulerpa racemosa var. macrophysa (Sonder ex Kützing) W.R.Taylor Valid
Caulerpa racemosa var. microphysa (Weber-van Bosse) Reinke Synonym
Caulerpa racemosa var. occidentalis (J.Agardh) Børgesen Synonym
Caulerpa racemosa var. peltata (J.V.Lamouroux) Eubank Synonym
Caulerpa racemosa var. uvifera (C.Agardh) J.Agardh Synonym
Caulerpa racemosa var. uvifera (C.Agardh) J.Agardh Valid
Caulerpa racemosa f. clavifera (Forsskål) J.Agardh Valid
Caulerpa scalpelliformis (R.Brown ex Turner) C.Agardh Valid
Caulerpa serrulata (Forsskål) J.Agardh Valid
Caulerpa serrulata var. hummii (Díaz-Piferrer) Farghaly Valid
Caulerpa sertularioides (S.G.Gmelin) M.Howe Valid
Caulerpa sertularioides var. longiseta (Bory) Svedelius Valid
Caulerpa sertularioides f. brevipes (J.Agardh) Svedelius Valid
Caulerpa sertularioides f. farlowii (Weber-van Bosse) Børgesen Valid
Caulerpa sertularioides f. longiseta (Bory) Svedelius Valid
Caulerpa taxifolia (M.Vahl) C.Agardh Valid
Caulerpa verticillata J.Agardh Valid
Caulerpa verticillata f. charoides Weber-van Bosse Valid
Caulerpa vickersiae Børgesen Synonym
Caulerpa vickersiae var. furcifolia W.R.Taylor Synonym
Caulerpa vickersiae var. luxurians W.R.Taylor Synonym
Caulerpella ambigua (Okamura) Prud'homme van Reine & Lokhorst Synonym
Caulerpella ambigua var. luxurians (Okamura) Prud'homme van Reine & Lokhorst Synonym
Centroceras clavulatum (C.Agardh) Montagne Valid
Centroceras gasparrinii (Meneghini) Kützing Valid
Centroceras internitens S.G.Gallagher & Humm Valid
Centroceras micracanthum Kützing Valid
Centroceras minutum Yamada Valid
Centrocerocolax ubatubensis A.B.Joly Valid
Ceramiella atlantica A.B.Joly & Ugadim Synonym
Ceramium affine Setchell & N.L.Gardner Synonym
Ceramium brasiliense A.B.Joly Synonym
Ceramium brevizonatum var. caraibicum H.E.Petersen & Børgesen Synonym
Ceramium byssoideum Harvey Synonym
Ceramium cimbricum H.E.Petersen Valid
Ceramium cimbricum f. flaccidum (H.E.Petersen) G.Furnari & Serio Valid
Ceramium cingulatum Weber-van Bosse Valid
Ceramium clarionense Setchell & N.L.Gardner Synonym
Ceramium codii (H.Richards) Mazoyer Synonym
Ceramium comptum Børgesen Synonym
Ceramium corniculatum Montagne Valid
Ceramium dawsonii A.B.Joly Valid
Ceramium deslongchampsii Chauvin ex Duby Valid
Ceramium diaphanum (Lightfoot) Roth Valid
Ceramium fastigiatum Harvey Synonym
Ceramium flaccidum (Harvey ex Kützing) Ardissone Synonym
Ceramium floridanum J.Agardh Valid
Ceramium luetzelburgii O.C.Schmidt Valid
Ceramium nitens (C.Agardh) J.Agardh Valid
Ceramium rubrum C.Agardh Synonym
Ceramium strictum Greville & Harvey Synonym
Ceramium subtile J.Agardh Valid
Ceramium tenerrimum (G.Martens) Okamura Synonym
Ceramium tenuicorne (Kützing) Waern Valid
Ceramium tenuissimum (Roth) J.Agardh Synonym
Ceramium uruguayense W.R.Taylor Valid
Ceramium vagans P.C.Silva Synonym
Ceramium virgatum Roth Valid
Ceramothamniom codii H.Richards Valid
Ceramothamnion brasiliensis (A.B.Joly) M.J.Wynne & C.W.Schneider Valid
Ceratodictyon intricatum (C.Agardh) R.E.Norris Valid
Ceratodictyon planicaule (W.R.Taylor) M.J.Wynne Valid
Ceratodictyon variabile (J.Agardh) R.E.Norris Valid
Chaetomorpha aerea (Dillwyn) Kützing Valid
Chaetomorpha antennina (Bory) Kützing Valid
Chaetomorpha brachygona Harvey Valid
Chaetomorpha clavata Kützing Valid
Chaetomorpha crassa (C.Agardh) Kützing Synonym
Chaetomorpha gracilis Kützing Valid
Chaetomorpha linum (O.F.Müller) Kützing Valid
Chaetomorpha media (C.Agardh) Kützing Synonym
Chaetomorpha minima Collins & Hervey Valid
Chaetomorpha nodosa Kützing Valid
Chaetomorpha tortuosa (Dillwyn) Kleen Valid
Chaetomorpha vieillardii (Kützing) M.J.Wynne Valid
Chamaedoris peniculum (J.Ellis & Solander) Kuntze Valid
Champia compressa Harvey Valid
Champia feldmannii Díaz-Piferrer Valid
Champia parvula (C.Agardh) Harvey Valid
Champia puertoricense (Harvey) W.E.Schmidt, Lozada-Troche, D.L.Ballantine & Fredericq Valid
Champia salicornioides Harvey Valid
Champia vieillardii Kützing Valid
Chnoospora atlantica J.Agardh Synonym
Chnoospora fastigiata var. atlantica (J.Agardh) J.Agardh Valid
Chnoospora minima (Hering) Papenfuss Valid
Chnoospora pacifica J.Agardh Synonym
Chondracanthus acicularis (Roth) Fredericq Valid
Chondracanthus elegans (Greville) Guiry Valid
Chondracanthus saundersii C.W. Schneider & C.E. Lane Valid
Chondracanthus teedei (Mertens ex Roth) Kützing Valid
Chondria atropurpurea Harvey Valid
Chondria capillaris (Hudson) M.J.Wynne Valid
Chondria cnicophylla (Melvill) De Toni Valid
Chondria collinsiana M. Howe Valid
Chondria dangeardii E.Y. Dawson Valid
Chondria dasyphylla (Woodward) C.Agardh Valid
Chondria floridana (F.S.Collins) M.A.Howe Valid
Chondria leptacremon (Melvill ex G.Murray) De Toni Valid
Chondria littoralis Harvey Valid
Chondria platyramea A.B.Joly & Ugadim Valid
Chondria polyrhiza Collins & Hervey Valid
Chondria sedifolia Harvey Valid
Chondria tenuissima (Withering) C.Agardh Synonym
Chondriopsis dasyphylla f. pyrifera J.Agardh Valid
Chondrophycus anabeliae Sentíes, M.T.Fujii, Cassano & Dreckmann Valid
Chondrophycus flagelliferus (J.Agardh) K.W.Nam Synonym
Chondrophycus intermedius (Yamada) Garbary & J.T.Harper Synonym
Chondrophycus papillosus (C.Agardh) D.J.Garbary & J.T.Harper Synonym
Chroodactylon ornatum (C.Agardh) Basson Valid
Chrysymenia agardhii Harvey Valid
Chrysymenia enteromorpha Harvey Synonym
Chrysymenia uvaria (J.A.Murray) J.Agardh Synonym
Chrysymenia ventricosa (J.V.Lamouroux) J.Agardh Valid
Cladhymenia lanceifolia W.R.Taylor Valid
Cladocephalus luteofuscus (P.Crouan & H.Crouan) Børgesen Valid
Cladophora albida (Nees) Kutzing Valid
Cladophora brasiliana G.Martens Valid
Cladophora catenata Kützing Valid
Cladophora coelothrix Kützing Valid
Cladophora conferta P.L.Crouan & H.M.Crouan Valid
Cladophora corallicola Børgesen Valid
Cladophora crispata (Roth) Kützing Synonym
Cladophora crispula Vickers Valid
Cladophora crystallina (Roth) Kützing Synonym
Cladophora dalmatica Kützing Valid
Cladophora delicatula (Montagne) Montagne Synonym
Cladophora expansa (Mertens) Kützing Synonym
Cladophora fascicularis (Mertens ex C.Agardh) Kützing Synonym
Cladophora flexuosa (O.F.Müller) Kützing Valid
Cladophora fracta (O.F.Müller ex Vahl) Kützing Valid
Cladophora fuliginosa Kützing Valid
Cladophora glomerata (Linnaeus) Kützing Valid
Cladophora glomerata var. crassior (C.Agardh) Hoek Valid
Cladophora gollmeriana Grunow Valid
Cladophora gracilis Kützing Synonym
Cladophora laetevirens (Dillwyn) Kützing Valid
Cladophora lehmanniana (Lindenberg) Kützing Valid
Cladophora luteola Harvey Synonym
Cladophora membranacea (Hofman Bang ex C.Agardh) Kützing Synonym
Cladophora montagneana Kützing Synonym
Cladophora nitida Kützing Synonym
Cladophora ordinata (Børgesen) C.Hoek Synonym
Cladophora prolifera (Roth) Kützing Valid
Cladophora ruchingeri (C.Agardh) Kützing Valid
Cladophora sericea (Hudson) Kützing Valid
Cladophora submarina P.Crouan & H.Crouan Valid
Cladophora utriculosa Kützing Synonym
Cladophora vagabunda (Linnaeus) Hoek Valid
Cladophoropsis macromeres W.R.Taylor Valid
Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen Valid
Cladosiphon occidentalis Kylin Valid
Cladosiphon zosterae (J.Agardh) Kylin Valid
Codium amplivesiculatum Setchell & N.L.Gardner Valid
Codium decorticatum (Woodward) M.A.Howe Valid
Codium difforme Kützing Synonym
Codium effusum (Rafinesque) Delle Chiaje Valid
Codium intertextum Collins & Hervey Valid
Codium intertextum var. cribrosum M. Howe Valid
Codium isthmocladum Vickers Valid
Codium isthmocladum subsp. clavatum (Collins & Hervey) P.C.Silva Valid
Codium magnum Dawson Synonym
Codium profundum P.C.Silva & M.E.Chacana Valid
Codium repens P.Crouan & H.Crouan Valid
Codium spongiosum Harvey Valid
Codium taylorii P.C.Silva Valid
Coelarthrum albertisii (Piccone) Børgesen Synonym
Coelarthrum cliftonii (Harvey) Kylin Valid
Coelothrix irregularis (Harvey) Børgesen Valid
Colaconema gracile (Børgesen) Ateweberhan & Prud'homme van Reine Valid
Colaconema hallandicum (Kylin) Afonso-Carillo, Sanson, Sangil & Diaz-Villa Valid
Colaconema hypneae (Børgesen) A.A.Santos & C.W.N.Moura Valid
Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier Valid
Condrophycus intermedius (Yamada) Garbary & J.T.Harper Valid
Conferva linoides C.Agardh Synonym
Contarinia magdae Weber-van Bosse Valid
Corallina berteroi Montagne ex Kützing Valid
Corallina cubensis (Montagne ex Kützing) Kützing Synonym
Corallina officinalis Linnaeus Valid
Corallina officinalis f. fastigiata Kützing Synonym
Corallina panizzoi R.Schnetter & U.Richter Valid
Corallina subulata J.Ellis & Solander Synonym
Corallophila atlantica (A.B.Joly & Ugadim) R.E.Norris Valid
Corallophila verongiae (D.L.Ballantine & M.J.Wynne) R.E.Norris Valid
Crassiphycus caudatus (J.Agardh) Gurgel, J.N.Norris & Fredericq Synonym
Crassiphycus corneus (J.Agardh) Gurgel, J.N.Norris & Fredericq Valid
Crassiphycus crassissimus (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq Valid
Crassiphycus usneoides (C.Agardh) Gurgel, J.N.Norris & Fredericq Valid
Crouania attenuata (C.Agardh) J.Agardh Valid
Crouanophycus latiaxis (I.A.Abbott) A.Athanasiadis Valid
Cryptarachne agardhii (Harvey) Kylin Synonym
Cryptonemia atrocostalis C.W.Schneider, C.E.Lane & G.W.Saunders Valid
Cryptonemia bengryi W.R.Taylor Valid
Cryptonemia crenulata (J.Agardh) J.Agardh Valid
Cryptonemia delicatula Joly & Cordeiro  Valid
Cryptonemia delicatula subsp. venezuelensis Ganesan Valid
Cryptonemia floridana (J.Agardh) J.P.Soares, T.Sauvage et M.T.Fujii Valid
Cryptonemia luxurians (C.Agardh) J.Agardh Synonym
Cryptonemia seminervis (C.Agardh) J.Agardh Valid
Cryptopleura ramosa (Hudson) L.Newton Valid
Cutleria compressa Kützing Valid
Cymopolia barbata (Linnaeus) J.V.Lamouroux Valid
Dasya antillarum (M.A.Howe) A.J.K.Millar Valid
Dasya baillouviana (S.G.Gmelin) Montagne Valid
Dasya corymbifera J.Agardh Valid
Dasya ocellata (Grateloup) Harvey Valid
Dasya pedicellata (C.Agardh) C.Agardh Synonym
Dasya rigidula (Kützing) Ardissone Valid
Dasycladus vermicularis (Scopoli) Krasser Valid
Dasyopsis antillarum M.Howe Synonym
Dasysiphonia collinsiana (M.Howe) M.M. Cassidy, C.W. Schneider & G.W. Saunders Valid
Derbesia fastigiata W.R. Taylor Valid
Derbesia marina (Lyngbye) Solier Valid
Derbesia vaucheriiformis (Harvey) J.Agardh Valid
Dermatolithon corallinae (P.Crouan & H.Crouan) Foslie Synonym
Dermatolithon pustulatum (J.V.Lamouroux) Foslie Synonym
Dermocorynus dichotomus (J.Agardh) Gargiulo, M.Morabito & Manghisi Valid
Dichotomaria marginata (J.Ellis & Solander) Lamarck Valid
Dichotomaria obtusata (J.Ellis & Solander) Lamarck Valid
Dictyopteris delicatula J.V.Lamouroux Valid
Dictyopteris hoytii W.R.Taylor Valid
Dictyopteris jolyana E.C.Oliveira & R.P.Furtado Valid
Dictyopteris justii J.V.Lamouroux Valid
Dictyopteris membranacea (Stackhouse) Batters Synonym
Dictyopteris plagiogramma (Montagne) Vickers Valid
Dictyopteris polypodioides (A.P.De Candolle) J.V.Lamouroux Valid
Dictyosphaeria cavernosa (Forsskål) Børgesen Valid
Dictyosphaeria ocellata (M.Howe) Olsen-Stojkovich Valid
Dictyosphaeria vanbosseae Børgesen Synonym
Dictyosphaeria versluysii Weber-van Bosse Valid
Dictyota adnata Zanardini Valid
Dictyota bartayresiana J.V.Lamouroux Valid
Dictyota bartayresii J.V.Lamouroux Synonym
Dictyota canaliculata O.De Clerck & E.Coppejans Valid
Dictyota caribaea Hörnig & Schnetter Valid
Dictyota cervicornis Kützing Synonym
Dictyota cervicornis f. pseudohamata (A.B.Cribb) De Clerck & Coppejans Synonym
Dictyota ciliolata Sonder ex Kützing Valid
Dictyota ciliolata var. bermudensis Taylor Synonym
Dictyota crenulata J.Agardh Valid
Dictyota crispata J.V.Lamouroux Synonym
Dictyota dentata J.V.Lamouroux Synonym
Dictyota dichotoma (Hudson) J.V.Lamouroux Valid
Dictyota divaricata (J.Agardh) J.Agardh Synonym
Dictyota friabilis Setchell Valid
Dictyota guineënsis (Kützing) P.Crouan & H.Crouan Valid
Dictyota hamata Foldats & Ríos Valid
Dictyota hamifera Setchell Valid
Dictyota humifusa Hörnig, Schnetter & Coppejans Valid
Dictyota implexa (Desfontaines) J.V.Lamouroux Valid
Dictyota indica Sonder ex Kützing Synonym
Dictyota jamaicensis W.R.Taylor Valid
Dictyota linearis (C.Agardh) Greville Synonym
Dictyota menstrualis (Hoyt) Schnetter, Hörning & Weber-Peukert Valid
Dictyota mertensii (C.Martius) Kützing Valid
Dictyota pfaffii Schnetter Synonym
Dictyota pinnatifida Kützing Valid
Dictyota pulchella Hörnig & Schnetter Valid
Dictyota volubilis Kützing Synonym
Dictyurus occidentalis J.Agardh Valid
Digenea cymatophila (R.E.Norris) Díaz-Tapia & Maggs Valid
Digenea simplex (Wulfen) C.Agardh Valid
Dilophus alternans J.Agardh Synonym
Dilophus guineënsis (Kützing) J.Agardh Synonym
Dipterosiphonia dendritica (C.Agardh) F.Schmitz Valid
Dohrniella antillarum (W.R.Taylor) Feldmann-Mazoyer Valid
Ectocarpus breviarticulatus J.Agardh Synonym
Ectocarpus confervoides Le Jolis Synonym
Ectocarpus duchassaingianus Grunow Synonym
Ectocarpus elachistaeformis Heydrich Synonym
Ectocarpus fructuosus Setchell & N.L.Gardner Valid
Ectocarpus mitchelliae Harvey Synonym
Ectocarpus rallsiae Vickers Valid
Ectocarpus rhodochortonoides Børgesen Synonym
Ectocarpus siliculosus (Dillwyn) Lyngbye Valid
Ectocarpus variabilis Vickers Valid
Enantiocladia duperreyi (C.Agardh) Falkenberg Valid
Encoelium sinuosum (Mertens ex Roth) C.Agardh Synonym
Enteromorpha chaetomorphoides Børgesen Synonym
Enteromorpha clathrata (Roth) Greville Synonym
Enteromorpha compressa (Linnaeus) Nees Synonym
Enteromorpha erecta (Lyngbye) Carmichael Synonym
Enteromorpha erecta var. paradoxa (Lyngbye) Carmichael Synonym
Enteromorpha flexuosa (Wulfen) J.Agardh Synonym
Enteromorpha flexuosa subsp. paradoxa (C.Agardh) Bliding Synonym
Enteromorpha intestinalis (Linnaeus) Nees Synonym
Enteromorpha lingulata J.Agardh Synonym
Enteromorpha linza (Linnaeus) J.Agardh Synonym
Enteromorpha plumosa Kützing Synonym
Enteromorpha prolifera (O.F.Müller) J.Agardh Synonym
Enteromorpha salina Kützing Synonym
Entocladia viridis Reinke Synonym
Ernodesmis verticillata (Kützing) Børgesen Valid
Erythrocladia pinnata W.R.Taylor Valid
Erythrocladia subintegra Rosenvinge Synonym
Erythrotrichia carnea (Dillwyn) J.Agardh Valid
Erythrotrichia vexillaris (Montagne) Hamel Valid
Eucheuma acanthocladum (Harvey) J.Agardh Synonym
Eucheuma denticulatum (N.L.Burman) Collins & Hervey Valid
Eucheuma echinocarpum Areschoug Synonym
Eucheuma gelidium J.Agardh Synonym
Eucheuma isiforme (C.Agardh) J.Agardh Synonym
Eucheuma schrammii (P.Crouan & H.Crouan) J.Agardh Synonym
Eucheumatopsis isiformis (C.Agardh) Núñez-Resendiz, Dreckmann & Sentíes Valid
Eudesme virescens (Carmichael ex Berkeley) J.Agardh Valid
Eudesme zosterae (J.Agardh) Kylin Synonym
Falkenbergia hillebrandii (Bornet) Falkenberg Synonym
Fauchea peltata W.R.Taylor Synonym
Feldmannia duchassaingiana (Grunow) Aisha & Shameel Valid
Feldmannia indica (Sonder) Womersley & A.Bailey Valid
Feldmannia irregularis (Kützing) Hamel Valid
Feldmannia mitchelliae (Harvey) H.-S.Kim Valid
Fosliella farinosa (J.V.Lamouroux) M.Howe Synonym
Fosliella lejolisii (Rosanoff) M.Howe Synonym
Galaxaura cylindrica (J.Ellis & Solander) J.V.Lamouroux Synonym
Galaxaura elongata J.Agardh Synonym
Galaxaura flagelliformis Kjellman Synonym
Galaxaura frutescens Kjellman Synonym
Galaxaura lapidescens (J.Ellis & Solander) J.V.Lamouroux Synonym
Galaxaura marginata (Ellis & Solander) J.V.Lamouroux Synonym
Galaxaura obtusata (J.Ellis & Solander) J.V.Lamouroux Synonym
Galaxaura rugosa (J.Ellis & Solander) J.V.Lamouroux Valid
Galaxaura squalida Kjellman Synonym
Galaxaura subverticillata Kjellman Synonym
Ganonema farinosum (J.V.Lamouroux) K.C.Fan & Yung C.Wang Valid
Ganonema megagynum (Børgesen) Huisman Valid
Ganonema pinnatum (Harvey) Huisman Valid
Gayliella dawsonii (A.B.Joly) Barros-Barreto & F.P.Gomes Valid
Gayliella fimbriata (Setchell & N.L.Gardner) T.O.Cho & S.M.Boo Valid
Gayliella flaccida (Harvey ex Kützing) T.O.Cho & L.J.McIvor Valid
Gayliella mazoyerae T.O.Cho, Fredericq & Hommersand Valid
Gayliella taylorii (E.Y.Dawson) T.O.Cho & S.M.Boo Valid
Gayliella transversalis (Collins & Hervey) T.O.Cho & Fredericq Valid
Gayliella womersleyi T.O.Cho, Maggs & L.J.McIvor Valid
Gayralia oxysperma (Kützing) K.L.Vinogradova ex Scagel et al. Valid
Gelidiella acerosa (Forsskål) Feldmann & Hamel Valid
Gelidiella sanctarum Feldmann & Hamel Synonym
Gelidiella trinitatensis W.R.Taylor Synonym
Gelidiocolax desikacharyi Ganesan Valid
Gelidiopsis gracilis (Kützing) Feldmann Synonym
Gelidiopsis intricata (C.Agardh) Vickers Synonym
Gelidiopsis planicaulis (W.R.Taylor) W.R.Taylor Synonym
Gelidiopsis variabilis (Greville ex J.Agardh) F.Schmitz Synonym
Gelidium americanum (W.R.Taylor) Santelices Valid
Gelidium corneum (Hudson) J.V.Lamouroux Valid
Gelidium crinale (Hare ex Turner) Gaillon Valid
Gelidium floridanum W.R.Taylor Valid
Gelidium microdonticum W.R.Taylor Valid
Gelidium minusculum (Weber-van Bosse) R.E.Norris Valid
Gelidium pusillum (Stackhouse) Le Jolis Valid
Gelidium pusillum var. pulvinatum (C.Agardh) Feldmann Valid
Gelidium pusillum var. conchicola Piccone & Grunow Synonym
Gelidium serrulatum J.Agardh Valid
Giffordia conifera (Børgesen) W.R.Taylor Synonym
Giffordia duchassaingiana (Grunow) W.R.Taylor Synonym
Giffordia indica (Sonder) Papenfuss & Chihara Synonym
Giffordia irregularis (Kützing) Joly Synonym
Giffordia mitchelliae (Harvey) Hamel Synonym
Giffordia rallsiae (Vickers) W.R.Taylor Synonym
Giffordia sandriana (Zanardini) Hamel Synonym
Gigartina acicularis (Roth) J.V.Lamouroux Synonym
Gigartina elegans Greville Synonym
Gigartina teedei (Mertens ex Roth) J.V.Lamouroux Synonym
Gloiocladia iyoensis (Okamura) R.E.Norris Valid
Gloiophloea halliae Setchell Synonym
Gomontia polyrhiza (Lagerheim) Bornet & Flahault Valid
Goniolithon strictum Foslie Synonym
Goniotrichum alsidii (Zanardini) M.Howe Synonym
Gracilaria apiculata P.Crouan & H.Crouan Valid
Gracilaria apiculata subsp. candelabriformis Gurgel, Fredericq & J.N.Norris Valid
Gracilaria blodgettii Harvey Valid
Gracilaria bursa-pastoris (S.G.Gmelin) P.C.Silva Valid
Gracilaria caudata J.Agardh Synonym
Gracilaria cervicornis (Turner) J.Agardh Valid
Gracilaria compressa (C.Agardh) Greville Synonym
Gracilaria confervoides (Linnaeus) Greville Synonym
Gracilaria cornea J.Agardh Synonym
Gracilaria corticata (J.Agardh) J.Agardh Valid
Gracilaria corymbiata (N.Rodríguez de Ríos) E.K.Ganesan Synonym
Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan Synonym
Gracilaria cuneata Areschoug Valid
Gracilaria curtissiae J.Agardh Valid
Gracilaria cylindrica Børgesen Valid
Gracilaria damicornis J.Agardh Valid
Gracilaria debilis (Forsskål) Børgesen Valid
Gracilaria domingensis (Kützing) Sonder ex Dickie Valid
Gracilaria falconii Ardito, Núñez-Resendiz, Dreckmann & Sentíes Valid
Gracilaria ferox J.Agardh Synonym
Gracilaria flabelliformis (P.Crouan & H.Crouan) Fredericq & Gurgel Valid
Gracilaria flabelliformis subsp. aionana Gurgel, Fredericq & J.N.Norris Valid
Gracilaria flabelliformis subsp. simplex Gurgel, Fredericq & J.N.Norris Valid
Gracilaria foliifera (Forsskål) Børgesen Valid
Gracilaria foliifera var. angustissima (Harvey) W.R.Taylor Synonym
Gracilaria gardneri (Setchell) Gurgel, J.N.Norris & Fredericq Valid
Gracilaria gracilis (Stackhouse) Steentoft, L.M.Irvine & Farnham Valid
Gracilaria intermedia J.Agardh Valid
Gracilaria intermedia subsp. ganesana Gurgel, Fredericq & J.Norris Valid
Gracilaria isabellana Gurgel, Fredericq & J.N.Norris Valid
Gracilaria lacinulata (M.Vahl) M.Howe Synonym
Gracilaria lemaneiformis (Bory) Greville Synonym
Gracilaria mammillaris (Montagne) M.Howe Valid
Gracilaria occidentalis (Børgesen) M.Bodard Valid
Gracilaria oliveirarum Gurgel, Fredericq & J.N.Norris Valid
Gracilaria ornata Areschoug Valid
Gracilaria pauciramosa (N.Rodríguez de Ríos) A.M.Bellorin, M.C.Oliveira, & E.C.Oliveira Valid
Gracilaria sjoestedtii Kylin Synonym
Gracilaria tenuifrons C.J.Bird & E.C.de Oliveira Synonym
Gracilaria tepocensis (E.Y.Dawson) E.Y.Dawson Valid
Gracilaria textorii (Suringar) De Toni Valid
Gracilaria tikvahiae McLachlan Valid
Gracilaria venezuelensis W.R.Taylor Valid
Gracilaria verrucosa (Hudson) Papenfuss Synonym
Gracilariophila gardneri Setchell Synonym
Gracilariopsis andersonii (Grunow) E.Y.Dawson Valid
Gracilariopsis carolinensis L.M.Liao & Hommersand Valid
Gracilariopsis hommersandii Gurgel, Fredericq & J.N.Norris Valid
Gracilariopsis lemaneiformis (Bory de Saint-Vincent) E.Y.Dawson, Acleto & Foldvik Valid
Gracilariopsis longissima (S.G.Gmelin) Steentoft, L.M.Irvine & Farnham Valid
Gracilariopsis silvana Gurgel, Fredericq & J.N.Norris Valid
Gracilariopsis sjoestedtii (Kylin) E.Y.Dawson Valid
Gracilariopsis tenuifrons (C.J.Bird & E.C.Oliveira) Fredericq & Hommersand Valid
Grallatoria reptans M.Howe Valid
Grateloupia cuneifolia J.Agardh ex Kützing Valid
Grateloupia cutleriae f. maxima N.L.Gardner Synonym
Grateloupia dichotoma J.Agardh Synonym
Grateloupia doryphora (Montagne) M.Howe Valid
Grateloupia filicina (J.V.Lamouroux) C.Agardh Valid
Grateloupia gibbesii Harvey Synonym
Grateloupiocolax colombiana Schnetter & Bula-Meyer Valid
Griffithsia barbata C.Agardh Synonym
Griffithsia caribaea G.Feldmann Valid
Griffithsia globulifera Harvey ex Kützing Valid
Griffithsia opuntioides J.Agardh Valid
Griffithsia schousboei Montagne Valid
Griffthsia tenuis C.Agardh Synonym
Grinnellia americana (C.Agardh) Harvey Valid
Grinnellia americana var. caribaea W.R.Taylor Synonym
Gymnogongrus crenulatus (Turner) J.Agardh Valid
Gymnogongrus griffithsiae (Turner) Martius Valid
Gymnogongrus tenuis J.Agardh Valid
Gymnothamnion elegans (Schousboe ex C.Agardh) J.Agardh Valid
Halichrysis peltata (W.R.Taylor) P.Huvé & H.Huvé Synonym
Halimeda copiosa Goreau & E.A.Graham Valid
Halimeda copiosa f. elongata (E.S.Barton) Hillis-Colinvaux Valid
Halimeda discoidea Decaisne Valid
Halimeda favulosa M. Howe Valid
Halimeda goreaui W.R.Taylor Valid
Halimeda gracilis Harvey ex J.Agardh Valid
Halimeda incrassata (J.Ellis) J.V.Lamouroux Valid
Halimeda incrassata f. tripartita E.S.Barton Synonym
Halimeda monile (J.Ellis & Solander) J.V.Lamouroux Valid
Halimeda opuntia (Linnaeus) J.V.Lamouroux Valid
Halimeda opuntia f. cordata (J.Agardh) E.S.Barton Synonym
Halimeda opuntia f. elongata (E.S.Barton) E.S.Barton Valid
Halimeda opuntia f. minor Vickers Synonym
Halimeda opuntia f. triloba (Decaisne) J.Agardh Synonym
Halimeda scabra M. Howe Valid
Halimeda simulans M. Howe Valid
Halimeda tuna (J.Ellis & Solander) J.V.Lamouroux Valid
Haliptilon cubense (Montagne ex Kützing) Garbary & H.W.Johansen Synonym
Haloplegma duperreyi Montagne Valid
Halymenia agardhii De Toni Synonym
Halymenia bermudensis Collins & M.Howe Synonym
Halymenia duchassaingii (J.Agardh) Kylin Valid
Halymenia elongata C.Agardh Valid
Halymenia floresia (Clemente) C. Agardh Synonym
Halymenia floresii (Clemente) C. Agardh Valid
Halymenia floridana J.Agardh Synonym
Halymenia gelinaria Collins & M.Howe Valid
Halymenia gelinaria Collins & M.Howe Synonym
Halymenia pseudofloresii Collins & M.Howe Valid
Halymenia vinacea M.Howe & W.R.Taylor Valid
Hecatonema floridanum (W.R.Taylor) W.R.Taylor Valid
Helminthocladia calvadosii (J.V.Lamouroux ex Duby) Setchell Valid
Herponema tortugense (W.R.Taylor) W.R.Taylor Valid
Herposiphonia arcuata Hollenberg Valid
Herposiphonia bipinnata M. Howe Valid
Herposiphonia parca Setchell Valid
Herposiphonia pecten-veneris (Harvey) Falkenberg Valid
Herposiphonia secunda (C.Agardh) Ambronn Valid
Herposiphonia secunda f. secunda (C.Agardh) Falkenberg Valid
Herposiphonia secunda f. tenella (C.Agardh) M.J.Wynne Valid
Herposiphonia tenella (C.Agardh) Ambronn Valid
Heterodasya mucronata (Harvey) M.J.Wynne Valid
Heteroderma lejolisii (Rosanoff) Foslie Synonym
Heterosiphonia crispella (C.Agardh) M.J.Wynne Valid
Heterosiphonia crispella var. laxa (Børgesen) M.J.Wynne Synonym
Heterosiphonia gibbesii (Harvey) Falkenberg Valid
Heterosiphonia wurdemannii (J.Bailey ex Harvey) Falkenberg Synonym
Heterosiphonia wurdemannii var. laxa Børgesen Synonym
Hildenbrandia prototypus Nardo Synonym
Hildenbrandia rubra (Sommerfelt) Meneghini Valid
Hincksia breviarticulata (J.Agardh) P.C.Silva Synonym
Hincksia conifera (Børgesen) I.A.Abbott Valid
Hincksia mitchelliae (Harvey) P.C.Silva Synonym
Hincksia onslowensis (Amsler & Kapraun) P.C.Silva Valid
Hincksia sandriana (Zanardini) P.C.Silva Valid
Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders Valid
Hummia onusta (Kützing) J.Fiore Valid
Hydroclathrus clathratus (C.Agardh) M.A.Howe Valid
Hydrolithon farinosum (J.V.Lamouroux) Penrose & Y.M.Chamberlain Valid
Hydropuntia caudata  (J.Agardh) Gurgel & Fredericq Valid
Hydropuntia cornea (J.Agardh) M.J.Wynne Synonym
Hydropuntia corymbiata (N.Rodríguez de Ríos) M.J.Wynne Valid
Hydropuntia usneoides (C.Agardh) Gurgel & Fredericq Synonym
Hymenena media (Hoyt) W.R.Taylor Synonym
Hypnea cervicornis J.Agardh Valid
Hypnea charoides J.V.Lamouroux Valid
Hypnea cornuta (Kützing) J.Agardh Valid
Hypnea flagelliformis Greville ex J.Agardh Valid
Hypnea flexicaulis Y.Yamagishi & M.Masuda Synonym
Hypnea musciformis (Wulfen) J.V.Lamouroux Valid
Hypnea pannosa J.Agardh Valid
Hypnea spinella (C.Agardh) Kützing Valid
Hypnea valentiae (Turner) Montagne Valid
Hypneocolax stellaris Børgesen Valid
Hypoglossum heterocystideum (J.Agardh) J.Agardh Valid
Hypoglossum hypoglossoides (Stackhouse) Collins & Hervey Synonym
Hypoglossum tenuifolium (Harvey) J.Agardh Valid
Jania adhaerens J.V.Lamouroux Synonym
Jania capillacea Harvey Valid
Jania cubensis Montagne ex Kützing Valid
Jania pedunculata var. adhaerens (J.V.Lamouroux) A.S.Harvey, Woelkerling & Reviers Valid
Jania pumila J.V.Lamouroux Valid
Jania rubens (Linnaeus) J.V.Lamouroux Valid
Jania subulata (Ellis & Solander) Sonder Valid
Kallymenia limminghei Montagne Valid
Kallymenia perforata J.Agardh Valid
Kallymenia westii Ganesan Synonym
Kappaphycus alvarezii (Doty) L.M.Liao Valid
Kapraunia schneideri (Stuercke & Freshwater) Savoie & G.W.Saunders Valid
Kuetzingiella elachistaeformis (Heydrich) M.Balakrishnan & Kinkar Valid
Kylinia crassipes (Børgesen) Kylin Synonym
Laurencia bolivarii N.Rodríguez Rios Synonym
Laurencia caraibica P.C.Silva Valid
Laurencia catarinensis Cordeiro-Marino & Fujii Valid
Laurencia cervicornis Harvey Synonym
Laurencia chondrioides (Børgesen) Valid
Laurencia corallopsis (Montagne) M.Howe Synonym
Laurencia decumbens Kützing Valid
Laurencia dendroidea J.Agardh Valid
Laurencia digitata Francis, Bolton, Mattio & R.J.Anderson Valid
Laurencia filiformis J.D.Hooker & Harvey Synonym
Laurencia foldatsii N.Rodríguez Rios Valid
Laurencia gemmifera Harvey Synonym
Laurencia gracilis J.D.Hooker & Harvey Valid
Laurencia intermedia Yamada Synonym
Laurencia intricata J.V.Lamouroux Valid
Laurencia microcladia Kützing Valid
Laurencia nana M.Howe Synonym
Laurencia natalensis Kylin Valid
Laurencia obtusa (Hudson) J.V.Lamouroux Valid
Laurencia papillosa (C.Agardh) Greville Synonym
Laurencia perforata (Bory) Montagne Synonym
Laurencia pinnatifida (Hudson) J.V.Lamouroux Synonym
Laurencia poiteaui (J.V.Lamouroux) M.A.Howe Synonym
Laurencia pygmaea Weber-van Bosse Synonym
Laurencia scoparia J.Agardh Synonym
Levringia brasiliensis (Montagne) A.B.Joly Valid
Liagora ceranoides J.V.Lamouroux Valid
Liagora farinosa J.V.Lamouroux Synonym
Liagora pedicellata M. Howe Synonym
Liagora pinnata Harvey Synonym
Liagoropsis schrammii (P.Crouan & H.Crouan) Doty & I.A.Abbott Valid
Lithophyllum corallinae (P.Crouan & H.Crouan) Heydrich Valid
Lithophyllum pustulatum (J.V.Lamouroux) Foslie Synonym
Lithothamnion occidentale (Foslie) Foslie Valid
Lobophora variegata (J.V.Lamouroux) Womersley ex E.C.Oliveira Valid
Lomentaria baileyana (Harvey) Farlow Synonym
Lomentaria divaricata (Durant) M.J.Wynne Synonym
Lomentaria rawitscheri A.B.Joly Valid
Lophocladia trichoclados (C.Agardh) F.Schmitz Valid
Lophosiphonia cristata Falkenberg Valid
Martensia fragilis Harvey Valid
Martensia pavonia (J.Agardh) J.Agardh Valid
Melanothamnus ferulaceus (Suhr ex J.Agardh) Díaz-Tapia & Maggs Valid
Melanothamnus pseudovillum (Hollenberg) Díaz-Tapia & Maggs Valid
Melanothamnus sphaerocarpus (Børgesen) Díaz-Tapia & Maggs Valid
Melanothamnus tongatensis (Harvey ex Kützing) Díaz-Tapia & Maggs Valid
Melobesia membranacea (Esper) J.V.Lamouroux Valid
Meristotheca gelidium (J.Agardh) E.J.Faye & M.Masuda Valid
Microdictyon boergesenii Setchell Synonym
Microdictyon umbilicatum (Velley) Zanardini Valid
Monosporus indicus Børgesen Valid
Monostroma oxyspermum (Kützing) Doty Synonym
Murrayella periclados (C.Agardh) F.Schmitz Valid
Myriotrichia subcorymbosa (Farlow ex Holden) Blomquist Synonym
Nemalion cari-cariense Schnetter Valid
Nemalion elminthoides (Velley) Batters Valid
Nemalion schrammii (P.Crouan & H.Crouan) Børgesen Synonym
Neoagardhiella baileyi (Kützing) M.J.Wynne & W.R.Taylor Synonym
Neoagardhiella ramosissima (Harvey) M.J.Wynne & W.R.Taylor Synonym
Neoagardhiella ramosissima var. harveyana (J.Agardh) M.J.Wynne & W.R.Taylor Valid
Neogoniolithon erosum (Foslie) W.H.Adey Valid
Neogoniolithon spectabile (Foslie) Setchell & L.R.Mason Valid
Neogoniolithon strictum (Foslie) Setchell & L.R.Mason Valid
Neomeris annulata Dickie Valid
Neoralfsia expansa (J.Agardh) P.-E.Lim & H.Kawai ex Cormaci & G.Furnari Valid
Neosiphonia ferulacea (Suhr ex J.Agardh) S.M.Guimarães & M.T.Fujii Synonym
Neosiphonia howei (Hollenberg) Skelton & G.R.South Synonym
Neosiphonia sertularioides (Grateloup) K.W.Nam & P.J.Kang Valid
Neosiphonia sphaerocarpa (Børgesen) M.-S.Kim & I.K.Lee Synonym
Neosiphonia tongatensis (Harvey ex Kützing) M.-S.Kim & I.K.Lee Synonym
Nitophyllum punctatum (Stackhouse) Greville Valid
Nitophyllum wilkinsoniae Collins & Hervey Valid
Ochtodes secundiramea (Montagne) M.Howe Valid
Ophidocladus simpliciusculus (P.Crouan & H.Crouan) Falkenberg Valid
Osmundaria obtusiloba (C.Agardh) R.E.Norris Valid
Osmundea bolivarii (N.Rodríguez-Rios) M.García-Ortíz Synonym
Osmundea oederi (Gunnerus) G.Furnari Valid
Osmundea pinnatifida (Hudson) Stackhouse Valid
Padina antillarum (Kützing) Piccone Valid
Padina boergesenii Allender & Kraft Valid
Padina gymnospora (Kützing) Sonder Valid
Padina jamaicensis (Collins) Papenfuss Synonym
Padina pavonica (Linnaeus) Thivy Valid
Padina perindusiata Thivy Valid
Padina sanctae-crucis Børgesen Valid
Padina tetrastromatica Hauck Valid
Padina vickersiae Hoyt Synonym
Palisada cervicornis (Harvey) Collado-Vides, Cassano & M.T.Fujii Valid
Palisada corallopsis (Montagne) Sentíez, Fujii & Díaz Valid
Palisada flagellifera (J.Agardh) K.W.Nam Valid
Palisada intermedia (Yamada) K.W.Nam Valid
Palisada papillosa (C.Agardh) K.W.Nam Synonym
Palisada perforata (Bory) K.W.Nam Valid
Parviphycus trinitatensis (W.R.Taylor) M.J.Wynne Valid
Parvocaulis myriosporus (A.B.Joly & Cordeiro-Marina) C.W.Nascimento Moura & J.C.DeAndrade Valid
Parvocaulis polyphysoides (P.Crouan & H.Crouan) S.Berger, U.Fettweiss, S.Gleissberg, L.B.Liddle, U.Richter, H.Sawitzky & G.C.Zuccarello Valid
Parvocaulis pusillus (M.Howe) S.Berger, U.Fettweiss, S.Gleissberg, L.B.Liddle, U.Richter, H.Sawitzky & G.C.Zuccarello Valid
Penicillus capitatus Lamarck Valid
Penicillus dumetosus (J.V.Lamouroux) Blainville Valid
Penicillus dumetosus f. expansus Børgesen Valid
Penicillus lamourouxii Decaisne Valid
Penicillus pyriformis A.Gepp & E.S.Gepp Valid
Percursaria percursa (C.Agardh) Rosenvinge Valid
Perikladosporon percurrens (E.Y.Dawson) Athanasiadis Valid
Peyssonnelia boergesenii Weber-van Bosse Valid
Peyssonnelia heteromorpha (Zanardini) Athanasiadis Valid
Peyssonnelia polymorpha (Zanardini) F.Schmitz Synonym
Peyssonnelia rubra (Greville) J.Agardh Valid
Peyssonnelia simulans Weber-van Bosse Synonym
Phaeophila dendroides (P.Crouan & H.Crouan) Batters Valid
Phrix spatulata (E.Y.Dawson) M.J.Wynne, M.Kamiya & J.A.West Valid
Phyllodictyon anastomosans (Harvey) Kraft & M.J.Wynne Valid
Phyllodictyon pulcherrimum J.E.Gray Valid
Phyllymenia gibbesii (Harvey) Showe M.Lin, Rodríguez-Prieto, De Clerck & Guiry Valid
Platysiphonia caribaea D.L.Ballantine & M.J.Wynne Valid
Pleonosporium caribaeum (Børgesen) R.E.Norris Synonym
Plocamium brasiliense (Greville) M.Howe & W.R.Taylor Valid
Plocamium cartilagineum (Linnaeus) P.S.Dixon Valid
Plocamium coccineum Lyngbye Synonym
Pneophyllum fragile Kützing Valid
Pocockiella variegata (J.V.Lamouroux) Papenfuss Synonym
Polycavernosa corymbiata N.Rodríguez de Ríos Synonym
Polycavernosa crassissima (P.Crouan & H.Crouan) Fredericq & J.N.Norris Synonym
Polycavernosa debilis (Forsskål) Fredericq & J.N.Norris Synonym
Polyphysa myriospora (A.B.Joly & Cordeiro-Marino) S.Berger & M.J.Kaever Synonym
Polysiphonia atlantica Kapraun & J.N.Norris Synonym
Polysiphonia binneyi Harvey Valid
Polysiphonia denudata (Dillwyn) Greville ex Harvey Synonym
Polysiphonia eastwoodiae Setchell & N.L.Gardner Synonym
Polysiphonia exilis Harvey Valid
Polysiphonia ferulacea Suhr ex J.Agardh Synonym
Polysiphonia flaccidissima Hollenberg Synonym
Polysiphonia havanensis Montagne Valid
Polysiphonia howei Hollenberg Synonym
Polysiphonia mollis J.D.Hooker & Harvey Valid
Polysiphonia pseudovillum Hollenberg Synonym
Polysiphonia schneideri B.Stuercke & D.W.Freshwater Synonym
Polysiphonia scopulorum Harvey Synonym
Polysiphonia sertularioides (Grateloup) J.Agardh Valid
Polysiphonia snyderae Kylin Synonym
Polysiphonia sphaerocarpa Børgesen Synonym
Polysiphonia subtilissima Montagne Valid
Polysiphonia thyrsigera J.Agardh Synonym
Polysiphonia variegata (C.Agardh) Zanardini Synonym
Porphyra spiralis var. amplifolia E.C. Oliveira & Coll Synonym
Porphyra umbilicalis (Linnaeus) J.Agardh Valid
Predaea feldmannii Børgesen Valid
Predaea pusilla (Berthold) Feldmann Valid
Pringsheimiella scutata (Reinke) Marchewianka Synonym
Pseudobryopsis venezolana (W.R.Taylor) K.-D.Henne & R.Schnetter Valid
Pseudoceramium brevizonatum (H.E.Petersen) Barros-Barreto & Maggs Valid
Pseudoceramium caraibicum (H.E.Petersen) Barros-Barreto & Maggs Valid
Pseudoceramium clarionense (Setchell & N.L.Gardner) Barros-Barreto & Maggs Valid
Pseudoceramium tenerrimum (G.Martens) Okamura Valid
Pseudochantransia venezuelensis (L.G.D'Lacoste V & E.K.Ganesan) F.D.Ott Valid
Pseudogloiophloea caribaea (W.R.Taylor) Joly, Cordeiro-Marino, Ugadim, Yamaguishi-Tomita & Pinheiro Synonym
Pseudogloiophloea halliae (Setchell) Joly <em>et al.</em> Synonym
Pseudorhizoclonium africanum (Kützing) Boedeker Valid
Pterocladia americana W.R.Taylor Synonym
Pterocladia bartlettii W.R.Taylor Synonym
Pterocladia caerulescens (Kützing) Santelices Synonym
Pterocladia capillacea (S.G.Gmelin) Bornet Synonym
Pterocladia media Dawson Synonym
Pterocladia pinnata (Hudson) Papenfuss Synonym
Pterocladiella bartlettii (W.R.Taylor) Santelices Valid
Pterocladiella caerulescens (Kützing) Santelices & Hommersand Valid
Pterocladiella capillacea (S.G.Gmelin) Santelices & Hommersand Valid
Pterocladiella media (E.Y.Dawson) G.H.Boo & K.A.Miller Valid
Pterocladiella sanctarum (Feldmann & Hamel) Santelices Valid
Pterosiphonia pennata (C.Agardh) Sauvageau Synonym
Ptilothamnion speluncarum (F.S.Collins & Hervey) D.L.Ballantine & M.J.Wynne Valid
Pylaiella antillarum (Grunow) De Toni Synonym
Pyropia spiralis var. amplifolia (E.C. Oliveira & Coll) Freshwater & Kapraun Valid
Ralfsia expansa (J.Agardh) J.Agardh Synonym
Rhipilia tomentosa Kützing Valid
Rhizoclonium africanum Kützing Synonym
Rhizoclonium hookeri Kützing Synonym
Rhizoclonium kerneri Stockmayer Synonym
Rhizoclonium kochianum Kützing Synonym
Rhizoclonium riparium (Roth) Harvey Valid
Rhizoclonium tortuosum (Dillwyn) Kützing Synonym
Rhodochorton venezuelense L.G.D'Lacoste V & E.K.Ganesan Synonym
Rhodogorgon ramosissima J.N.Norris & Bucher Valid
Rhodymenia divaricata E.Y.Dawson Valid
Rhodymenia occidentalis Børgesen Synonym
Rhodymenia pacifica Kylin Valid
Rhodymenia pseudopalmata (J.V.Lamouroux) P.C.Silva Valid
Rosenvingea endiviifolia (Martius) M.J.Wynne Valid
Rosenvingea intricata (J.Agardh) Børgesen Synonym
Rosenvingea sanctae-crucis Børgesen Valid
Sahlingia subintegra (Rosenvinge) Kornmann Valid
Sargassum acinarium (Linnaeus) Setchell Valid
Sargassum bermudense Grunow Valid
Sargassum buxifolium (Chauvin) M.J.Wynne Valid
Sargassum cymosum C.Agardh Valid
Sargassum cymosum var. esperi Grunow Valid
Sargassum cymosum var. lendigerum (Linnaeus) Grunow Synonym
Sargassum cymosum var. stenophyllum (C.Martius) Grunow Synonym
Sargassum cymosum var. subpinnatum Grunow Valid
Sargassum desfontainesii (Turner) C.Agardh Valid
Sargassum filipendula C.Agardh Valid
Sargassum filipendula var. contractum J.Agardh Valid
Sargassum filipendula var. montagnei (Bailey) Grunow Valid
Sargassum filipendula var. pinnatum Grunow Valid
Sargassum fluitans (Børgesen) Børgesen Valid
Sargassum furcatum Kützing Valid
Sargassum hystrix J.Agardh Valid
Sargassum hystrix var. buxifolium Chauvin Synonym
Sargassum hystrix var. spinulosum (Kützing) Grunow Valid
Sargassum hystrix var. undulatum Grunow Valid
Sargassum lendigerum (Linnaeus) C.Agardh Valid
Sargassum linifolium C.Agardh Synonym
Sargassum natans (Linnaeus) Gaillon Valid
Sargassum novae-hollandiae P.C.Silva Valid
Sargassum piluliferum (Turner) C.Agardh Valid
Sargassum platycarpum Montagne Valid
Sargassum polyceratium Montagne Valid
Sargassum polyceratium var. ovatum (Collins) W.R.Taylor Valid
Sargassum pteropleuron Grunow Valid
Sargassum ramifolium Kützing Valid
Sargassum rigidulum Kützing Valid
Sargassum rigidulum var. brachycarpum (J.Agardh) Grunow Valid
Sargassum stenophyllum C.Martius Synonym
Sargassum vulgare C.Agardh Valid
Sargassum vulgare var. foliosissimum (J.V.Lamouroux) C.Agardh Valid
Schimmelmannia elegans Baardseth Valid
Schimmelmannia plumosa (Setchell) I.A.Abbott Valid
Schimmelmannia venezuelensis Ballantine, García, Gomez & M.J.Wynne Valid
Scinaia caribaea (W.R.Taylor) Huisman Valid
Scinaia complanata (Collins) A.D.Cotton Valid
Scinaia forcellata Bivona-Bernardi Synonym
Scinaia furcellata (Turner) J.Agardh Valid
Scinaia halliae (Setchell) Huisman Valid
Sebdenia flabellata (J.Agardh) P.G.Parkinson Valid
Seirospora occidentalis Børgesen Valid
Siphonocladus tropicus (P.Crouan & H.Crouan) J.Agardh Valid
Solieria filiformis (Kützing) P.W.Gabrielson Valid
Solieria incurvata Núñez-Resendiz, Dreckmann, Ardito, León-Tejera et Sentíes Valid
Solieria tenera (J.Agardh) M.J.Wynne & W.R.Taylor Synonym
Spatoglossum schroederi (C.Agardh) Kützing Valid
Spermothamnion investiens (P.Crouan & H.Crouan) Vickers Valid
Spermothamnion macromeres Collins & Hervey Valid
Sphacelaria brachygona Montagne Synonym
Sphacelaria brachygonia Montagne Valid
Sphacelaria furcigera Kützing Synonym
Sphacelaria fusca (Hudson) S.F.Gray Valid
Sphacelaria novae-hollandiae Sonder Valid
Sphacelaria rigidula Kützing Valid
Sphacelaria tribuloides Meneghini Valid
Spongoclonium caribaeum (Børgesen) M.J.Wynne Valid
Sporochnus bolleanus Montagne Valid
Sporolithon episporum (M.Howe) E.Y.Dawson Valid
Spyridia aculeata (C.Agardh ex Decaisne) Kützing Synonym
Spyridia clavata Kützing Valid
Spyridia complanata J.Agardh Synonym
Spyridia filamentosa (Wulfen) Harvey Valid
Spyridia hypnoides (Bory) Papenfuss Valid
Spyridia hypnoides subsp. complanata (J.Agardh) M.J.Wynne Valid
Stigeoclonium fasciculare Kützing Valid
Stilophora rhizodes (C.Agardh) J.Agardh Synonym
Stilophora tenella (Esper) P.C.Silva Valid
Stirkia brasiliensis (A.B.Joly) Barros-Barreto & Maggs Synonym
Stirkia codii (H.Richards) Barros-Barreto & Maggs Synonym
Stirkia vaga (P.C.Silva) Barros-Barreto & Maggs Valid
Struvea anastomosans (Harvey) Piccone & Grunow ex Piccone Synonym
Struvea elegans Børgesen Valid
Struvea ramosa Dickie Synonym
Stylonema alsidii (Zanardini) K.M.Drew Valid
Stypopodium zonale (J.V.Lamouroux) Papenfuss Valid
Taenioma nanum (Kützing) Papenfuss Valid
Taenioma perpusillum (J.Agardh) J.Agardh Valid
Taonia abbottiana D.S.Littler & Littler Valid
Thorea riekei Bischoff Valid
Thuretia bornetii Vickers Valid
Tiffaniella gorgonea (Montagne) Doty & Meñez Valid
Tiffaniella saccorhiza (Setchell & N.L.Gardner) Doty & Meñez Valid
Titanoderma pustulatum (J.V.Lamouroux) Nägeli Valid
Trentepohlia odorata (F.H.Wiggers) Wittrock Valid
Trichogloea herveyi W.R.Taylor Valid
Trichogloea requienii (Montagne) Kützing Valid
Trichogloeopsis pedicellata (M.Howe) I.A.Abbott & Doty Valid
Trichosolen duchassaingii (J.Agardh) W.R.Taylor Valid
Trichosolen venezolanus W.R.Taylor Synonym
Tricleocarpa cylindrica (J.Ellis & Solander) Huisman & Borowitzka Valid
Tricleocarpa fragilis (Linnaeus) Huisman & R.A.Townsend Valid
Tricleocarpa oblongata (Ellis & Solander) Huisman & Borowitzka Synonym
Turbinaria tricostata E.S.Barton Valid
Turbinaria turbinata (Linnaeus) Kuntze Valid
Udotea caribaea D.S.Littler & Littler Valid
Udotea conglutinata (J.Ellis & Solander) J.V.Lamouroux Valid
Udotea cyathiformis Decaisne Valid
Udotea cyathiformis f. infundibulum (J.Agardh) D.S.Littler & Littler Valid
Udotea dixonii D.S.Littler & Littler Valid
Udotea flabellum (J.Ellis & Solander) M.Howe Valid
Udotea norrisii D.S.Littler & Littler Valid
Udotea spinulosa M. Howe Valid
Ulva chaetomorphoides (Børgesen) Hayden, Blomster, Maggs, P.C.Silva, M.J.Stanhope & J.R.Waaland Valid
Ulva clathrata (Roth) C.Agardh Valid
Ulva compressa Linnaeus Valid
Ulva fasciata Delile Synonym
Ulva flexuosa Wulfen Valid
Ulva flexuosa subsp. paradoxa (C.Agardh) M.J.Wynne Valid
Ulva intestinalis Linnaeus Valid
Ulva lacinulata (Kützing) Wittrock Synonym
Ulva lactuca Linnaeus Valid
Ulva lactuca var. lacinulata (Kützing) Wittrock Valid
Ulva lactuca var. rigida (C.Agardh) Le Jolis Synonym
Ulva lingulata A.P.de Candolle Synonym
Ulva linza Linnaeus Valid
Ulva profunda W.R.Taylor Valid
Ulva prolifera O.F.Müller Valid
Ulva reticulata Forsskål Valid
Ulva rigida C.Agardh Valid
Ulvaria oxysperma (Kützing) Bliding Synonym
Ulvella lens P.L.Crouan & H.M.Crouan Valid
Ulvella scutata (Reinke) R.Nielsen, C.J.O'Kelly & B.Wysor Valid
Ulvella viridis (Reinke) R.Nielsen, C.J.O'Kelly & B.Wysor Valid
Valonia aegagropila C.Agardh Valid
Valonia macrophysa Kützing Valid
Valonia ocellata M.Howe Synonym
Valonia utricularis (Roth) C.Agardh Valid
Valonia ventricosa J.Agardh Valid
Ventricaria ventricosa (J.Agardh) J.L.Olsen & J.A.West Synonym
Vidalia obtusiloba (Mertens ex C.Agardh) J.Agardh Synonym
Weberella peltata (W.R.Taylor) Schneider Synonym
Willeella brachyclados (Montagne) M.J.Wynne Valid
Willeella ordinata (Børgesen) Valid
Wilsonosiphonia howei (Hollenberg) D.Bustamante, Won & T.O.Cho Valid
Wrangelia argus (Montagne) Montagne Valid
Wrangelia bicuspidata Børgesen Valid
Wrangelia penicillata (C.Agardh) C.Agardh Valid
Wrightiella blodgettii (Harvey) F.Schmitz Valid
Wurdemannia miniata (Sprengel) Feldmann & Hamel Valid
Xiphosiphonia pennata (C.Agardh) Savoie & G.W.Saunders Valid
Yoneshiguea affinis Setchell & N.L.Gardner Valid
Yoneshiguea compta (Børgesen) Barros-Barreto, Maggs & M.A.Jaramillo Valid
Yuzurua poiteaui (J.V.Lamouroux) Martin-Lescanne Valid
Yuzurua poiteaui var. gemmifera (Harvey) M.J.Wynne Valid
Zonaria zonalis (Lamouroux) Howe Synonym

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