NARMS Taxon list
Acinetospora Bornet, 1891
Acinetospora crinita (Carmichael) Sauvageau, 1899
Acinetosporaceae Hamel ex J. Feldmann, 1937
Acrocytis Rosenvinge, 1933
Acrocytis groenlandica Rosenvinge
Acrospongium Schiffner, 1916
Acrospongium ralfsioides Schiffner, 1916
Acrothrix Kylin, 1907
Acrothrix gracilis Kylin, 1907
Acrothrix neglecta (Batters) Kuckuck, 1929 (uncertain )
Actinema Reinsch, 1874-1875
Actinema scutellum Reinsch, 1875
Adriogloia Ercegovic, 1955
Adriogloia adriatica Ercegovic, 1955 (uncertain )
Agaraceae Postels & Ruprecht, 1840
Agarum Dumortier, 1822
Agarum clathratum Dumortier, 1822
Aglaozonia Zanardini, 1843 accepted as Cutleria Greville, 1830
Aglaozonia chilosa Falkenberg, 1879 accepted as Cutleria chilosa (Falkenberg) P.C.Silva, 1957
Aglaozonia parvula (Greville) Zanardini, 1843 accepted as Cutleria multifida (Turner) Greville, 1830
Alaria Greville, 1830
Alaria esculenta (Linnaeus) Greville, 1830
Alaria grandifolia J.Agardh, 1872 accepted as Alaria esculenta (Linnaeus) Greville, 1830
Alaria pylaiei (Bory) Greville, 1830
Alaria pylaii (Bory de Saint-Vincent) Greville, 1830 accepted as Alaria pylaiei (Bory) Greville, 1830
Alariaceae Setchell & Gardner, 1925
Arthrocladia Duby, 1830
Arthrocladia villosa (Hudson) Duby, 1830
Arthrocladiaceae Chauvin, 1842
Ascocyclus Magnus, 1874
Ascocyclus distromaticus W.R.Taylor, 1937 accepted as Phycocelis foecunda Strömfelt, 1888 accepted as Myrionema foecundum (Strömfelt) Sauvageau, 1897
Ascocyclus orbicularis (J.Agardh) Kjellman, 1890 (uncertain )
Ascophyllum Stackhouse, 1809
Ascophyllum nodosum (Linnaeus) Le Jolis, 1863
Ascophyllum nodosum f. scorpioides Hauck, 1883
Ascophyllum nodosum var. scorpioides (Hauck) Reinke, 1889 accepted as Ascophyllum nodosum f. scorpioides Hauck, 1883
Asperococcus J.V.Lamouroux, 1813
Asperococcus bullosus J.V.Lamouroux, 1813
Asperococcus compressus A.W.Griffiths ex W.J.Hooker, 1833 accepted as Asperococcus ensiformis (Delle Chiaje) M.J.Wynne, 2003
Asperococcus ensiformis (Delle Chiaje) M.J.Wynne, 2003
Asperococcus fistulosus (Hudson) W.J.Hooker, 1833
Asperococcus scaber Kuckuck, 1899
Asperococcus turneri (Dillwyn ex Smith) W.J.Hooker, 1833 accepted as Asperococcus bullosus J.V.Lamouroux, 1813
Asterocladaceae T.Silberfeld, M.-F.Racault, R.L.Fletcher, A.F.Peters, F.Rousseau & B.de Reviers, 2011
Asterocladales
Asterocladon D.G.Müller, E.R.Parodi & A.F.Peters, 1999
Asterocladon rhodochortonoides (Børgesen) S.Uwai, C.Nagasato, T.Motomura & K.Kogame, 2005
Asteronema Delépine & Asensi, 1975
Asteronema rhodochortonoides (Børgesen) D.G.Müller & Parodi, 1994 accepted as Asterocladon rhodochortonoides (Børgesen) S.Uwai, C.Nagasato, T.Motomura & K.Kogame, 2005
Asteronemataceae
Bachelotia (Bornet) Kuckuck ex G.Hamel, 1939
Bachelotia antillarum (Grunow) Gerloff, 1959
Bachelotiaceae T.Silberfeld, M.-F.Racault, R.L.Fletcher, A.F.Peters, F.Rousseau & B.de Reviers, 2011
Battersia Reinke ex Batters, 1890
Battersia arctica (Harvey) Draisma, Prud'homme & H.Kawai, 2010
Battersia mirabilis Reinke ex Batters, 1890
Battersia plumigera (Holmes ex Hauck) Draisma, Prud'homme & H.Kawai, 2010
Battersia racemosa (Greville) Draisma, Prud'homme & H.Kawai, 2010
Bifurcaria Stackhouse, 1809
Bifurcaria bifurcata R.Ross, 1958
Botrytella Bory de Saint-Vincent, 1822
Botrytella micromora Bory, 1822
Botrytella reinboldii (Reinke) Kornmann & Sahling, 1988
Buffhamia Batters, 1895
Buffhamia speciosa Batters, 1895
Canistrocarpus De Paula & De Clerck, 2006
Canistrocarpus cervicornis (Kützing) De Paula & De Clerck, 2006
Carpomitra Kützing, 1843
Carpomitra costata (Stackhouse) Batters, 1902
Carpomitra costata var. mediterranea (Feldmann) Feldmann, 1937
Castagnea A.Derbès & A.Solier, 1851
Castagnea mediterranea (Kützing) Hauck accepted as Cladosiphon mediterraneus Kützing, 1843
Chaetopteris Kützing, 1843
Chaetopteris plumosa (Lyngbye) Kützing, 1843
Chilionema Sauvageau, 1898
Chilionema foecundum (Strömfelt) R.L.Fletcher, 1987 accepted as Myrionema foecundum (Strömfelt) Sauvageau, 1897
Chilionema hispanicum (Sauvageau) R.L.Fletcher, 1987
Chilionema ocellatum (Kützing) Kornmann, 1953
Chilionema reptans (P.L.Crouan & H.M.Crouan) Sauvageau, 1897 accepted as Asperococcus fistulosus (Hudson) W.J.Hooker, 1833
Chorda Stackhouse, 1797
Chorda filum (Linnaeus) Stackhouse, 1797
Chorda tomentosa Lyngbye, 1819 accepted as Halosiphon tomentosus (Lyngbye) Jaasund, 1957
Chordaceae Dumortier, 1822
Chordales
Chordaria C.Agardh, 1817
Chordaria flagelliformis (O.F.Müller) C.Agardh, 1817
Chordariaceae Greville, 1830
Choristocarpaceae Kjellman, 1891
Choristocarpales (unaccepted )
Choristocarpus Zanardini, 1860
Choristocarpus tenellus Zanardini, 1860
Chukchia R.T.Wilce, P.M.Pedersen & Sekida, 2009
Chukchia endophytica (S.Lund) R.T.Wilce, P.M.Pedersen & S.Sekida, 2009
Cladosiphon Kützing, 1843
Cladosiphon contortus (Thuret) Kylin, 1940
Cladosiphon cylindricus (Sauvageau) Kylin, 1940
Cladosiphon irregularis (Sauvageau) Kylin, 1949
Cladosiphon lubricus (Sauvageau) Kylin, 1940
Cladosiphon mediterraneus Kützing, 1843
Cladosiphon occidentalis Kylin, 1940