Traits Taxon list
Acanthochloris bacillifera Pascher, 1938
Acanthochloris brevispinosa Pascher, 1930
Acanthochloris brevispinosa var. brevispinosa Péterfi & Péterfi, 1966
Acanthochloris ingens Margalef, 1956
Acanthochloris scherffelii Pascher, 1938
Acanthochloris verrucosa Ettl, 1977
Acanthosphaeridium reticulatum M.Hajós & H.Stradner, 1975 †
Acinetospora asiatica Yaegashi, Yamagishi & Kogame, 2015
Acinetospora crinita (Carmichael) Sauvageau, 1899
Acinetospora filamentosa (Noda) Yaegashi, Uwai & Kogame, 2015
Acinetospora nicholsoniae Hollenberg, 1971
Acrispumella msimbaziensis Boenigk & Grossmann, 2016
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
Actinellipsoidion sol (Pascher) Ettl, 1977
Actinema inaequale Reinsch
Actinema major Reinsch, 1875 (uncertain )
Actinema scutellum Reinsch, 1875
Actinema subtilissimum Reinsch, 1875
Actinocoma ramosa Penard, 1903
Actinomonas mirabilis Kent, 1880
Actinomonas vernalis A.Stokes, 1885
Actinophrys pontica Valkanov, 1940
Actinophrys salsuginosa D.J.Patterson, 2001
Adenocystis longissima (Skottsberg) Asensi, Delépine, Rousseau & Reviers, 2004
Adenocystis rimosa (Montagne) Asensi, Delépine, Reviers & Rousseau, 2003
Adenocystis utricularis (Bory) Skottsberg, 1907
Adriamonas peritocrescens Verhagen, Zölffel, Brugerolle & D.J.Patterson, 1994
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
Aldavemyxa coeruleoviridis Skvortsov, 1972
Algites catenelloides Seward, 1894 †
Algites codiiformis Teslenko, 1986 †
Algites enteromorphoides Basson & Joseph M.Wood, 1970 †
Algites philippoviensis Naugolnykh, 2017 †
Algites samantae Yu.V.Teslenko †
Algites shurtanensis Naugolnykh, 2017 †
Algites valdensis Seward, 1894 †
Alusites attenuata (C.Agardh) Chevallier
Alusites coccinea Chevallier, 1836 accepted as Dudresnaya verticillata (Withering) Le Jolis, 1863
Amphichrysis compressa Korshikov, 1929
Amphilithopyxis aenigmatica Deflandre, 1932 †
Amphirhiza epizootica Skuja, 1948
Analipus filiformis (Ruprecht) Papenfuss, 1967
Analipus gunjii (Yendo) Kogame & Yoshida, 1997
Analipus japonicus (Harvey) M.J.Wynne, 1971
Andersenia australica Wetherbee & Waller, 2015
Andersenia nodulosa Wetherbee & Waller, 2015
Angulochrysis erratica Lackey, 1940
Ankylochrysis lutea (van der Veer) Billard, 1995
Ankylonoton pyreniger Pascher, 1932
Antarctosaccion applanatum (Gain) Delépine, 1970
Anthophycus longifolius (Turner) Kützing, 1849
Anthophysa steinii Senn, 1900
Anthophysa vegetans (O.F.Müller) F.Stein, 1878
Anthophysa vegetans var. sennii Pringsheim, 1946