Traits Taxon list
Acinetospora asiatica Yaegashi, Yamagishi & Kogame, 2015
Acinetospora crinita (Carmichael) Sauvageau, 1899
Acinetospora filamentosa (Noda) Yaegashi, Uwai & Kogame, 2015
Acinetospora nicholsoniae Hollenberg, 1971
Acrocarpia paniculata (Turner) Areschoug, 1854
Acrocarpia robusta Womersley, 1964
Acrocytis groenlandica Rosenvinge
Acrocytis groenlandicus Rosenvinge, 1933
Acrospongium ralfsioides Schiffner, 1916
Acrothrix gracilis Kylin, 1907
Acrothrix mirabilis Kylin
Acrothrix novaeangliae W.R.Taylor
Acrothrix pacifica Okamura & Yamada, 1932
Acrotrichium amphibolis Womersley & Skinner, 1987
Actinema inaequale Reinsch
Actinema major Reinsch, 1875 (uncertain )
Actinema scutellum Reinsch, 1875
Actinema subtilissimum Reinsch, 1875
Adenocystis longissima (Skottsberg) Asensi, Delépine, Rousseau & Reviers, 2004
Adenocystis rimosa (Montagne) Asensi, Delépine, Reviers & Rousseau, 2003
Adenocystis utricularis (Bory) Skottsberg, 1907
Adriogloia adriatica Ercegovic, 1955 (uncertain )
Agarum asiaticum De la Pylaie, 1830
Agarum brassiciforme (Postels & Ruprecht) Setchell & Gardner
Agarum clathratum Dumortier, 1822
Agarum clathratum subsp. yakishiriense Yamada ex G.H.Boo & P.C.Silva, 2011
Agarum crenulatum (J.Agardh) Trevisan
Agarum pertusum (K.H.Mertens) Postels & Ruprecht, 1840
Agarum pertusum f. brassicaeformis Postel & Ruprecht, 1840
Agarum pertusum var. platyneurum Postel & Ruprecht, 1840
Agarum turneri Postels & Ruprecht, 1840
Aglaozonia collaris (Agardh) Trevisan
Aglaozonia lenormandii Derbès & Solier
Akkesiphycus lubricus Yamada & Tanaka, 1944
Alaria angusta Kjellman, 1889
Alaria cordata Tilden, 1898
Alaria costata Fallis
Alaria crassifolia Kjellman, 1885
Alaria crispa Kjellman, 1889
Alaria dolichorachis
Alaria elliptica Kjellman, 1883
Alaria esculenta (Linnaeus) Greville, 1830
Alaria esculenta f. angustifolia Postels & Ruprecht, 1840
Alaria esculenta f. musifolia (de la Pylaie) Kjellman
Alaria esculenta f. pinnatifida Postels & Ruprecht, 1840
Alaria esculenta var. latifolia Postels & Ruprecht
Alaria flagellaris Strömfelt, 1886
Alaria fragilis De A.Saunders, 1901
Alaria longipes (Ruprecht) De Toni, 1895
Alaria macrophylla Miyabe, 1902
Alaria marginata Postels & Ruprecht, 1840
Alaria musifolia (De la Pylaie) J.Agardh, 1872
Alaria oblonga Kjellman, 1883
Alaria ochotensis Yendo, 1919
Alaria paradisea (Miyabe & Nagai) Widdowson, 1972
Alaria praelonga Kjellman, 1889
Alaria pylaiei (Bory) Greville, 1830
Alaria remotifolia (De la Pylaie) Widdowson nom.prov.
Alaria striata J.Agardh ineditae
Analipus filiformis (Ruprecht) Papenfuss, 1967
Analipus gunjii (Yendo) Kogame & Yoshida, 1997
Analipus japonicus (Harvey) M.J.Wynne, 1971
Anthophycus longifolius (Turner) Kützing, 1849
Arthrocladia villosa (Hudson) Duby, 1830
Arthrocladia villosa f. tenuissima Woronichin, 1908
Arthrothamnus bifidus (S.G.Gmelin) J.Agardh, 1868
Arthrothamnus kurilensis Ruprecht, 1848
Ascocyclus affinis Svedelius
Ascocyclus balticus Jack
Ascocyclus dichotomus Ohta, 1973
Ascocyclus hypneae Børgesen, 1920
Ascocyclus mediterraneus Levring
Ascocyclus stenonemus Takamatsu, 1987
Ascophyllum nodosum (Linnaeus) Le Jolis, 1863
Ascophyllum nodosum f. mackayi (Turner) A.C.Mathieson & Dawes, 2017
Ascophyllum nodosum f. scorpioides Hauck, 1883
Ascophyllum nodosum var. scorpioides (Hauck) Reinke, 1889 accepted as Ascophyllum nodosum f. scorpioides Hauck, 1883
Ascoseira mirabilis Skottsberg, 1907
Ascoseirophila violodora A.F.Peters, 2003
Asperococcus attenuatus (C.Agardh) Zanardini, 1863 accepted as Ulva attenuata (C.Agardh) Naccari, 1828
Asperococcus bullosus J.V.Lamouroux, 1813
Asperococcus cystosirae (Ruprecht) Zanardini
Asperococcus ensiformis (Delle Chiaje) M.J.Wynne, 2003
Asperococcus fistulosus (Hudson) W.J.Hooker, 1833
Asperococcus fistulosus f. vermicularis (Griffiths ex Harvey) Levring, 1937
Asperococcus fragilis (J.Agardh) Zanardini
Asperococcus norvegicus Kylin, 1910
Asperococcus scaber Kuckuck, 1899
Asperococcus tortilis Suhr, 1836
Asterocladon ednae Sasagawa, Santiañez & Kogame, 2022
Asterocladon interjectum Uwai, Nagasato, Motomura & Kogame, 2005
Asterocladon lobatum D.G.Müller, E.R.Parodi & A.F.Peters, 1999
Asterocladon rhodochortonoides (Børgesen) S.Uwai, C.Nagasato, T.Motomura & K.Kogame, 2005
Asteronema australe Delépine & Asensi, 1975
Asteronema breviarticulatum (J.Agardh) Ouriques & Bouzon, 2000
Asteronema ferrugineum (Harvey) Delépine & Asensi, 1975
Asteronema microscopicum (Kützing) Trevisan
Asterotrichia ocellata (Kützing) Meneghini
Asterotrichia ulvicola Zanardini, 1843
Aureophycus aleuticus H.Kawai, T.Hanyuda, Lindeberg & S.C.Lindstrom, 2008