Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858 (additional source)
Acrochaetium savianum (Meneghini) Nägeli, 1862 accepted as Colaconema savianum (Meneghini) R.Nielsen, 1994 (additional source)
Acrochaetium secundatum (Lyngbye) Nägeli, 1858 (additional source)
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979 (additional source)
Aglaothamnion halliae (Collins) Aponte, D.L.Ballantine & J.N.Norris, 1997 (additional source)
Antithamnion cruciatum (C.Agardh) Nägeli, 1847 (additional source)
Asperococcus fistulosus (Hudson) W.J.Hooker, 1833 (additional source)
Bangia fuscopurpurea (Dillwyn) Lyngbye, 1819 (additional source)
Blastophysa rhizopus Reinke, 1889 (additional source)
Blidingia marginata (J.Agardh) P.J.L.Dangeard ex Bliding, 1963 (additional source)
Blidingia minima (Nägeli ex Kützing) Kylin, 1947 (additional source)
Bostrychia radicans (Montagne) Montagne, 1842 (additional source)
Bryopsis hypnoides J.V.Lamouroux, 1809 (additional source)
Bryopsis plumosa (Hudson) C.Agardh, 1823 (additional source)
Callithamnion corymbosum (Smith) Lyngbye, 1819 (additional source)
Ceramium cimbricum H.E.Petersen, 1924 (additional source)
Ceramium deslongchampsii Chauvin ex Duby, 1830 (additional source)
Ceramium diaphanum (Lightfoot) Roth, 1806 (additional source)
Chaetomorpha aerea (Dillwyn) Kützing, 1849 (additional source)
Chaetomorpha brachygona Harvey, 1858 (additional source)
Chaetomorpha linum (O.F.Müller) Kützing, 1845 (additional source)
Chaetomorpha minima Collins & Hervey, 1917 (additional source)
Champia parvula (C.Agardh) Harvey, 1853 (additional source)
Chondria baileyana (Montagne) Harvey, 1853 (additional source)
Chondria dasyphylla (Woodward) C.Agardh, 1817 (additional source)
Chroodactylon ornatum (C.Agardh) Basson, 1979 (additional source)
Cladophora albida (Nees) Kutzing, 1843 (additional source)
Cladophora crystallina (Roth) Kützing, 1843 (additional source)
Cladophora dalmatica Kützing, 1843 (additional source)
Cladophora laetevirens (Dillwyn) Kützing, 1843 (additional source)
Cladophora liniformis Kützing, 1849 (additional source)
Cladophora ruchingeri (C.Agardh) Kützing, 1845 (additional source)
Cladophora sericea (Hudson) Kützing, 1843 (additional source)
Cladophora vagabunda (Linnaeus) Hoek, 1963 (additional source)
Cladosiphon zosterae (J.Agardh) Kylin, 1940 (additional source)
Dasya baillouviana (S.G.Gmelin) Montagne, 1841 accepted as Dasya pedicellata (C.Agardh) C.Agardh, 1824 (additional source)
Derbesia marina (Lyngbye) Solier, 1846 (additional source)
Ectocarpus siliculosus (Dillwyn) Lyngbye, 1819 (additional source)
Entocladia viridis Reinke, 1879 accepted as Ulvella viridis (Reinke) R.Nielsen, C.J.O'Kelly & B.Wysor, 2013 (additional source)
Erythrocladia irregularis Rosenvinge, 1909 (additional source)
Erythrotrichia carnea (Dillwyn) J.Agardh, 1883 (additional source)
Feldmannia irregularis (Kützing) Hamel, 1939 (additional source)
Gayralia oxysperma (Kützing) K.L.Vinogradova ex Scagel et al., 1989 (additional source)
Gelidium crinale (Hare ex Turner) Gaillon, 1828 (additional source)
Gelidium pusillum (Stackhouse) Le Jolis, 1863 (additional source)
Gomontia polyrhiza (Lagerheim) Bornet & Flahault, 1888 (additional source)
Gracilaria tikvahiae McLachlan, 1979 (additional source)
Griffithsia globulifera Harvey ex Kützing, 1862 (additional source)
Hildenbrandia rubra (Sommerfelt) Meneghini, 1841 (additional source)
Hincksia mitchelliae (Harvey) P.C.Silva, 1987 accepted as Feldmannia mitchelliae (Harvey) H.-S.Kim, 2010 (additional source)
Hummia onusta (Kützing) J.Fiore, 1975 (additional source)
Hydrolithon farinosum (J.V.Lamouroux) Penrose & Y.M.Chamberlain, 1993 (additional source)
Lomentaria baileyana (Harvey) Farlow, 1876 accepted as Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019 (additional source)
Melobesia membranacea (Esper) J.V.Lamouroux, 1812 (additional source)
Myrionema magnusii (Sauvageau) Loiseaux, 1967 (additional source)
Nemalion elminthoides (Velley) Batters, 1902 (additional source)
Ostreobium quekettii Bornet & Flahault, 1889 (additional source)
Percursaria percursa (C.Agardh) Rosenvinge, 1893 (additional source)
Petalonia fascia (O.F.Müller) Kuntze, 1898 (additional source)
Peyssonnelia rosenvingei F.Schmitz, 1893 (additional source)
Phaeophila dendroides (P.Crouan & H.Crouan) Batters, 1902 (additional source)
Pneophyllum fragile Kützing, 1843 (additional source)
Polysiphonia denudata (Dillwyn) Greville ex Harvey, 1833 accepted as Carradoriella denudata (Dillwyn) Savoie & G.W.Saunders, 2019 (additional source)
Polysiphonia subtilissima Montagne, 1840 (additional source)
Porphyra leucosticta Thuret, 1863 accepted as Pyropia leucosticta (Thuret) Neefus & J.Brodie, 2011 (additional source)
Pringsheimiella scutata (Reinke) Marchewianka, 1925 accepted as Ulvella scutata (Reinke) R.Nielsen, C.J.O'Kelly & B.Wysor, 2013 (additional source)
Rhizoclonium riparium (Roth) Harvey, 1849 (additional source)
Rhizoclonium tortuosum (Dillwyn) Kützing, 1845 (additional source)
Sargassum (Sargassum) filipendula C. Agardh, 1824 represented as Sargassum filipendula C.Agardh, 1824 (additional source)
Sargassum fluitans (Børgesen) Børgesen, 1914 (additional source)
Sargassum natans (Linnaeus) Gaillon, 1828 (additional source)
Scinaia furcellata (Turner) J.Agardh, 1851 (additional source)
Scytosiphon lomentaria (Lyngbye) Link, 1833 (additional source)
Solieria filiformis (Kützing) P.W.Gabrielson, 1985 (additional source)
Spermothamnion repens (Dillwyn) Magnus, 1873 (additional source)
Sphacelaria fusca (Hudson) S.F.Gray, 1821 (additional source)
Sphacelaria rigidula Kützing, 1843 (additional source)
Spongonema tomentosum (Hudson) Kützing, 1849 (additional source)
Spyridia filamentosa (Wulfen) Harvey, 1833 (additional source)
Streblonema oligosporum Strömfelt, 1884 accepted as Litosiphon laminariae (Lyngbye) Harvey, 1849 (additional source)
Stylonema alsidii (Zanardini) K.M.Drew, 1956 (additional source)
Titanoderma pustulatum (J.V.Lamouroux) Nägeli, 1858 (additional source)
Ulothrix flacca (Dillwyn) Thuret, 1863 (additional source)
Ulva clathrata (Roth) C.Agardh, 1811 (additional source)
Ulva compressa Linnaeus, 1753 (additional source)
Ulva flexuosa Wulfen, 1803 (additional source)
Ulva intestinalis Linnaeus, 1753 (additional source)
Ulva lactuca Linnaeus, 1753 (additional source)
Ulva linza Linnaeus, 1753 (additional source)
Ulva prolifera O.F.Müller, 1778 (additional source)
Ulva rigida C.Agardh, 1823 (additional source)