CaRMS Taxon list
Acrochaetiaceae Melchior, 1954
Acrochaetiales
Acrochaetium Nägeli, 1858
Acrochaetium alariae (Jónsson) Bornet, 1904
Acrochaetium efflorescens (J.Agardh) Nägeli, 1861 accepted as Grania efflorescens (J.Agardh) Kylin, 1944
Acrochaetium humile (Rosenvinge) Børgesen, 1915
Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858
Acrochaetium savianum (Meneghini) Nägeli, 1862 accepted as Colaconema savianum (Meneghini) R.Nielsen, 1994
Acrochaetium secundatum (Lyngbye) Nägeli, 1858
Acrochaetium virgatulum (Harvey) Batters, 1902 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858
Agardhiella F.Schmitz, 1897
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979
Aglaothamnion Feldmann-Mazoyer, 1941
Aglaothamnion halliae (Collins) Aponte, D.L.Ballantine & J.N.Norris, 1997
Ahnfeltia Fries, 1836
Ahnfeltia plicata (Hudson) E.M.Fries, 1836
Ahnfeltiaceae Maggs & Pueschel, 1989
Ahnfeltiales
Ahnfeltiophycidae
Antithamnieae Hommersand, 1963
Antithamnion Nägeli, 1847
Antithamnion americanum (Harvey) Kjellman, 1883 accepted as Scagelia americana (Harvey) Athanasiadis, 1996
Antithamnion cruciatum (C.Agardh) Nägeli, 1847
Antithamnion pylaisaei (Montagne) Kjellman, 1883 accepted as Scagelia pylaisaei (Montagne) M.J.Wynne, 1985
Antithamnionella Lyle, 1922
Antithamnionella floccosa (O.F.Müller) Whittick, 1980
Antithamnionella pylaisaei (Mont.) Kjellm. accepted as Antithamnion pylaisaei (Montagne) Kjellman, 1883 accepted as Scagelia pylaisaei (Montagne) M.J.Wynne, 1985
Areschougiaceae J. Agardh, 1876
Audouinella Bory de Saint-Vincent, 1823
Audouinella alariae (Jónsson) Woelkerling, 1973 accepted as Acrochaetium alariae (Jónsson) Bornet, 1904
Audouinella dasyae (Collins) Woelkerling, 1973 accepted as Colaconema dasyae (Collins) Stegenga, I.Mol, Prud'homme & Lokhorst, 1997
Audouinella daviesii (Dillwyn) Woelkerling, 1971 accepted as Colaconema daviesii (Dillwyn) Stegenga, 1985
Audouinella efflorescens (J.Agardh) Papenfuss, 1945 accepted as Grania efflorescens (J.Agardh) Kylin, 1944
Audouinella humilis (Rosenv.) Garbary accepted as Acrochaetium humile (Rosenvinge) Børgesen, 1915
Audouinella membranacea (Magnus) Papenfuss, 1945 accepted as Rubrointrusa membranacea (Magnus) S.L.Clayden & G.W.Saunders, 2010
Audouinella microscopica (Nägeli ex Kützing) Woelkerling, 1971 accepted as Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858
Audouinella polyides (Rosenv.) Garbary accepted as Audouinella polyidis (Rosenvinge) Garbary, 1979 accepted as Helminthora divaricata (C.Agardh) J.Agardh, 1852
Audouinella polyidis (Rosenvinge) Garbary, 1979 accepted as Helminthora divaricata (C.Agardh) J.Agardh, 1852
Audouinella purpurea (Lightfoot) Woelkerling, 1973 accepted as Rhodochorton purpureum (Lightfoot) Rosenvinge, 1900
Audouinella saviana (Meneghini) Woelkerling, 1973 accepted as Colaconema savianum (Meneghini) R.Nielsen, 1994
Audouinella secundata (Lyngbye) P.S.Dixon, 1976 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858
Audouinella spetsbergensis (Kjellman) Woelkerling, 1973 accepted as Meiodiscus spetsbergensis (Kjellman) G.W.Saunders & McLachlan, 1991
Audouinella virgatula (Harvey) P.S.Dixon, 1976 accepted as Acrochaetium secundatum (Lyngbye) Nägeli, 1858
Audouinellaceae J.Feldmann, 1962
Bangia Lyngbye, 1819
Bangia fuscopurpurea (Dillwyn) Lyngbye, 1819
Bangiaceae Duby, 1830
Bangiales
Bangiophyceae
Bangiophycidae
Bonnemaisonia C.Agardh, 1822
Bonnemaisonia hamifera Hariot, 1891
Bonnemaisoniaceae Schmitz, 1892
Bonnemaisoniales
Boreolithothamnion P.W.Gabrielson, Maneveldt, Hughey & V.Peña, 2023
Boreolithothamnion tophiforme (Esper) P.W.Gabrielson, Maneveldt, Hughey & V.Peña, 2023
Bostrychia Montagne, 1842
Bostrychia radicans (Montagne) Montagne, 1842
Bostrychieae Falkenberg, 1901
Botryocarpeae M.J.Wynne, 2001
Callithamniaceae Kützing, 1843
Callithamnieae Schmitz, 1889
Callithamnioideae De Toni, 1903
Callithamnion Lyngbye, 1819
Callithamnion corymbosum (Smith) Lyngbye, 1819
Callithamnion tetragonum (Stackhouse) S.F.Gray, 1821
Callocolax F.Schmitz ex Batters, 1895
Callocolax fungiformis Kylin, 1925
Callophyllis Kützing, 1843
Callophyllis cristata (C.Agardh) Kützing, 1849 accepted as Euthora cristata (C.Agardh) J.Agardh, 1847
Carradoriella P.C.Silva, 1996
Carradoriella denudata (Dillwyn) Savoie & G.W.Saunders, 2019
Carradoriella elongata (Hudson) Savoie & G.W.Saunders, 2019
Ceramiaceae Dumortier, 1822
Ceramiales
Ceramieae (Dumortier) Schmitz, 1889
Ceramiineae
Ceramioideae De Toni, 1903
Ceramium Roth, 1797
Ceramium cimbricum H.E.Petersen, 1924
Ceramium circinatum (Kützing) J.Agardh, 1851
Ceramium deslongchampsii Chauvin ex Duby, 1830
Ceramium diaphanum (Lightfoot) Roth, 1806
Ceramium diaphanum var. elegans (Roth) Roth, 1806 accepted as Ceramium siliquosum var. elegans (Roth) G.Furnari, 1999
Ceramium elegans (Roth) Ducluzeau, 1805 accepted as Ceramium siliquosum var. elegans (Roth) G.Furnari, 1999
Ceramium rubrum C.Agardh, 1811 accepted as Ceramium virgatum Roth, 1797
Ceramium siliquosum (Kützing) Maggs & Hommersand, 1993
Ceramium siliquosum var. elegans (Roth) G.Furnari, 1999
Ceramium strictum (Kützing) Rabenhorst, 1847 accepted as Ceramium deslongchampsii Chauvin ex Duby, 1830
Ceramium strictum Greville & Harvey, 1846 (uncertain )
Ceramium tenuicorne (Kützing) Waern, 1952
Ceramium virgatum Roth, 1797
Ceratocolax Rosenvinge, 1898
Ceratocolax hartzii Rosenvinge, 1898 accepted as Coccotylus hartzii (Rosenvinge) Le Gall & G.W.Saunders, 2010
Chamberlainoideae Caragnano, Foetisch, Maneveldt & Payri in Caragnano et al., 2018
Champia Desvaux, 1809
Champia parvula (C.Agardh) Harvey, 1853
Champiaceae Kützing, 1843
Chondria C.Agardh, 1817
Chondria baileyana (Montagne) Harvey, 1853