IRMNG Taxon list
Abrotanifolia barbata Stackhouse, 1809 accepted as Cystoseira barbata (Stackhouse) C. Agardh, 1820
Abrotanifolia discors (Linnaeus) Stackhouse
Abrotanifolia foeniculacea (Linnaeus) Stackhouse
Abrotanifolia loeflingii Stackhouse
Abrotanifolia mucronata (Turner) Stackhouse
Acanthochloris bacillifera Pascher
Acanthochloris brevispinosa Pascher, 1930
Acanthochloris hungarica Palik
Acanthochloris ingens Margalef, 1956
Acanthochloris scherffelii Pascher
Acanthochloris verrucosa Ettl
Acanthochrysis echinococcus Conrad, 1931
Acanthochrysis echinocystus (Conrad) Conrad
Acanthochrysis fusiformis Conrad
Acanthosphaeridium reticulatum M. Hajós & H. Stradner †
Acinetactis arnaudovii Valkanov
Acinetactis mirabilis Stokes, 1886
Acinetospora crinita (Carmichael) Sauvageau, 1899
Acinetospora nicholsoniae Hollenberg, 1971
Acinetospora pusilla (Griffiths ex Harvey) De Toni, 1895 accepted as
Acinetospora vidovichii (Meneghini) Sauvageau, 1898 accepted as
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 neglecta (Batters) Kuckuck, 1929
Acrothrix norvegica Levring, 1937 accepted as Acrothrix gracilis Kylin, 1907
Acrothrix novaeangliae W.R. Taylor
Acrothrix novae-angliae W.R. Taylor, 1928 accepted as Acrothrix gracilis Kylin, 1907
Acrothrix pacifica Okamura & Yamada, 1932
Acrotrichium amphibolis Womersley & Skinner, 1987
Actinellipsoidion sol (Pascher) H. Ettl, 1977
Actinema inaequale Reinsch
Actinema major Reinsch
Actinema scutellum Reinsch, 1875
Actinema subtilissimum Reinsch, 1875
Actinoglena klebsiana O. Zacharias accepted as Synura klebsiana (O. Zacharias) Lemmermann, 1899
Actinomonas mirabilis Kent, 1880
Actinomonas pusilla W.S. Kent
Actinomonas radiosa G. Roskin
Actinomonas vernalis A.C. Stokes
Actinophrys sol Ehrenberg
Actinophrys vesiculata Pen.
Actinosphaerium eichhorni Ehr.
Acystis heinii Schiffner, 1934
Adenocystis californica Ruprecht, 1850 accepted as Coilodesme californica (Ruprecht) Kjellman, 1889
Adenocystis durvillei (Bory de Saint-Vincent) J.D. Hooker & Harvey, 1847 accepted as Colpomenia durvillei (Bory de Saint-Vincent) M.E. Ramírez, 1991
Adenocystis lessonii (Bory de Saint-Vincent) J.D. Hooker & Harvey, 1845 accepted as Adenocystis utricularis (Bory de Saint-Vincent) Skottsberg, 1907
Adenocystis longissima (Skottsberg) Asensi, Delépine, Rousseau & Reviers, 2004
Adenocystis rimosa (Montagne) Asensi, Delépine, Reviers & Rousseau, 2003
Adenocystis utricularis (Bory de Saint-Vincent) Skottsberg, 1907
Adriogloia adriatica Ercegovic, 1955
Aegira virescens (Carmichael ex Harvey) Setchell & N.L. Gardner accepted as Eudesme virescens (Carmichael ex Berkeley) J.G. Agardh, 1882
Aegira zosterae (Mohr) Fries, 1835 accepted as Eudesme virescens (Carmichael ex Berkeley) J.G. Agardh, 1882
Aeronema polymorphum J.W. Snow, 1911
Aeronemum polymorphum (J.W. Snow) J.W. Snow, 1912
Agarum asiaticum De la Pylaie, 1830
Agarum brassiciforme (Postels & Ruprecht) Setchell & Gardner
Agarum brodiei (Turner) Trevisan, 1845 accepted as Coccotylus truncatus (Pallas) M.J. Wynne & J.N. Heine, 1992
Agarum clathratum Dumortier, 1822
Agarum clathrus (S.G. Gmelin) Greville, 1830 accepted as Thalassiophyllum clathrum (S.G. Gmelin) Postels & Ruprecht, 1840
Agarum corallinum Nees, 1820 accepted as Griffithsia corallinoides (Linnaeus) Trevisan, 1845
Agarum costatum (C. Agardh) Dumortier, 1822 accepted as Costaria costata (C. Agardh) De A. Saunders, 1895
Agarum costatum (Turner) Gaillon, 1828 accepted as Costaria costata (C. Agardh) De A. Saunders, 1895
Agarum crenulatum (J.G. Agardh) Trevisan
Agarum cribrosum Bory de Saint-Vincent, 1826 accepted as Agarum clathratum Dumortier, 1822
Agarum cribrum Gaillon, 1828 accepted as Agarum clathratum Dumortier, 1822
Agarum delisei Bory de Saint-Vincent, 1826 accepted as Alaria esculenta (Linnaeus) Greville, 1830
Agarum esculentum (Linnaeus) Bory de Saint-Vincent, 1826 accepted as Alaria esculenta (Linnaeus) Greville, 1830
Agarum fimbriatum Harvey, 1862
Agarum gmelinii Mertens ex Postels & Ruprecht, 1840 accepted as Agarum clathratum Dumortier, 1822
Agarum heredia (Clemente) Trevisan accepted as Phyllophora heredia (Clemente) J.G. Agardh, 1842
Agarum membranifolium (Goodenough & Woodward) Trevisan, 1845 accepted as Phyllophora membranifolia (Goodenough & Woodward) J.G. Agardh, 1842
Agarum nervosum (De Candolle) Trevisan
Agarum oharaense Yamada, 1961
Agarum pertusum (K.H. Mertens) Postels & Ruprecht, 1840
Agarum proliferum (Lightf.) Trevisan
Agarum proliferum (Roth) Nees
Agarum pylaiei Bory de Saint-Vincent, 1826 accepted as Alaria pylaiei (Bory de Saint-Vincent) Greville, 1830
Agarum quinquecostatum Bory de Saint-Vincent, 1826 accepted as Costaria costata (C. Agardh) De A. Saunders, 1895
Agarum reptans (Roth) Nees, 1820 accepted as Lomentaria articulata (Hudson) Lyngbye, 1819
Agarum rubens (Linnaeus) Link, 1809 accepted as Phycodrys rubens (Linnaeus) Batters, 1902
Agarum turneri Postels & Ruprecht, 1840 accepted as Agarum clathratum Dumortier, 1822
Agarum yakishiriense Yamada, 1962 accepted as Agarum clathratum Dumortier, 1822
Aglaozonia canariensis Sauvageau, 1905 accepted as Lobophora variegata (J.V. Lamouroux) Womersley ex E.C. Oliveira, 1977
Aglaozonia chilosa Falkenberg, 1879 accepted as Cutleria chilosa (Falkenberg) P.C. Silva, 1957
Aglaozonia collaris (Agardh) Trevisan
Aglaozonia lenormandii Derbès & Solier
Aglaozonia melanoidea Sauvageau, 1899 accepted as Cutleria adspersa (Mertens ex Roth) De Notaris, 1842
Aglaozonia pacifica Setchell
Aglaozonia parvula (Greville) Zanardini, 1843 accepted as Cutleria multifida (Turner) Greville, 1830
Aglaozonia reptans (P.L. Crouan & H.M. Crouan) Kützing, 1849 accepted as Cutleria multifida (Turner) Greville, 1830
Akkesiphycus lubricus Yamada & Tanaka, 1944
Alaria amplexicaulis Martens, 1866 accepted as Undaria pinnatifida (Harvey) Suringar, 1873
Alaria angusta Kjellman, 1889
Alaria cordata Tilden, 1898
Alaria corrugata Miyabe, 1902 accepted as Alaria praelonga Kjellman, 1889