Acinetospora crinita (Carmichael) Sauvageau, 1899 (additional source)
Antithamnion cruciatum (C.Agardh) Nägeli, 1847 (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)
Bryopsis hypnoides J.V.Lamouroux, 1809 (additional source)
Bryopsis plumosa (Hudson) C.Agardh, 1823 (additional source)
Callithamnion corymbosum (Smith) Lyngbye, 1819 (additional source)
Caulerpa prolifera (Forsskål) J.V.Lamouroux, 1809 (additional source)
Ceramium cimbricum H.E.Petersen, 1924 (additional source)
Ceramium codii (H.Richards) Mazoyer, 1938 accepted as Stirkia codii (H.Richards) Barros-Barreto & Maggs, 2023 accepted as Ceramothamnion codii H.Richards, 1901 (additional source)
Ceramium deslongchampsii Chauvin ex Duby, 1830 (additional source)
Ceramium diaphanum (Lightfoot) Roth, 1806 (additional source)
Ceramium flaccidum (Harvey ex Kützing) Ardissone, 1871 accepted as Gayliella flaccida (Harvey ex Kützing) T.O.Cho & L.J.McIvor, 2008 (additional source)
Chaetomorpha aerea (Dillwyn) Kützing, 1849 (additional source)
Chaetomorpha crassa (C.Agardh) Kützing, 1845 accepted as Chaetomorpha aerea (Dillwyn) Kützing, 1849 (additional source)
Chaetomorpha gracilis Kützing, 1845 (additional source)
Chaetomorpha linum (O.F.Müller) Kützing, 1845 (additional source)
Chondria capillaris (Hudson) M.J.Wynne, 1991 (additional source)
Chondria dasyphylla (Woodward) C.Agardh, 1817 (additional source)
Chondrophycus papillosus (C.Agardh) D.J.Garbary & J.T.Harper, 1998 accepted as Palisada perforata (Bory) K.W.Nam, 2007 (additional source)
Cladophora albida (Nees) Kutzing, 1843 (additional source)
Cladophora coelothrix Kützing, 1843 (additional source)
Cladophora dalmatica Kützing, 1843 (additional source)
Cladophora hutchinsiae (Dillwyn) Kützing, 1845 (additional source)
Cladophora laetevirens (Dillwyn) Kützing, 1843 (additional source)
Cladophora liniformis Kützing, 1849 (additional source)
Cladophora prolifera (Roth) Kützing, 1843 (additional source)
Cladophora ruchingeri (C.Agardh) Kützing, 1845 (additional source)
Cladophora sericea (Hudson) Kützing, 1843 (additional source)
Cladophora vagabunda (Linnaeus) Hoek, 1963 (additional source)
Cladophoropsis membranacea Bang ex C.Agardh) Børgesen, 1905 (additional source)
Compsothamnion thuioides (Smith) F.Schmitz, 1889 (additional source)
Dasya baillouviana (S.G.Gmelin) Montagne, 1841 accepted as Dasya pedicellata (C.Agardh) C.Agardh, 1824 (additional source)
Dasya hutchinsiae Harvey, 1833 (additional source)
Dasya ocellata (Grateloup) Harvey, 1833 (additional source)
Dictyota linearis (C.Agardh) Greville, 1830 accepted as Dictyota implexa (Desfontaines) J.V.Lamouroux, 1809 (additional source)
Dipterosiphonia rigens (C.Agardh) Falkenberg, 1901 (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)
Entocladia wittrockii Wille, 1880 accepted as Ulvella wittrockii (Wille) R.Nielsen, C.J.O'Kelly & B.Wysor, 2013 (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 spinosum (S.G.Gmelin) P.C.Silva, 1996 (additional source)
Gomontia polyrhiza (Lagerheim) Bornet & Flahault, 1888 (additional source)
Herposiphonia secunda (C.Agardh) Ambronn, 1880 (additional source)
Hypoglossum hypoglossoides (Stackhouse) Collins & Hervey, 1917 (additional source)
Laurencia obtusa (Hudson) J.V.Lamouroux, 1813 (additional source)
Lophosiphonia obscura (C.Agardh) Falkenberg, 1897 (additional source)
Nereia filiformis (J.Agardh) Zanardini, 1846 (additional source)
Ostreobium quekettii Bornet & Flahault, 1889 (additional source)
Padina pavonica (Linnaeus) Thivy, 1960 (additional source)
Pedobesia simplex (Meneghini ex Kützing) M.J.Wynne & F.Leliaert, 2001 (additional source)
Percursaria percursa (C.Agardh) Rosenvinge, 1893 (additional source)
Phaeophila dendroides (P.Crouan & H.Crouan) Batters, 1902 (additional source)
Polysiphonia denudata (Dillwyn) Greville ex Harvey, 1833 accepted as Carradoriella denudata (Dillwyn) Savoie & G.W.Saunders, 2019 (additional source)
Pringsheimiella scutata (Reinke) Marchewianka, 1925 accepted as Ulvella scutata (Reinke) R.Nielsen, C.J.O'Kelly & B.Wysor, 2013 (additional source)
Pterocladiella capillacea (S.G.Gmelin) Santelices & Hommersand, 1997 (additional source)
Pterosiphonia pennata (C.Agardh) Sauvageau, 1897 accepted as Xiphosiphonia pennata (C.Agardh) Savoie & G.W.Saunders, 2016 (additional source)
Rhizoclonium tortuosum (Dillwyn) Kützing, 1845 accepted as Chaetomorpha tortuosa (Dillwyn) Kleen, 1874 (additional source)
Sargassum (Sargassum) vulgare C. Agardh, 1820 represented as Sargassum vulgare C.Agardh, 1820 (additional source)
Scytosiphon lomentaria (Lyngbye) Link, 1833 (additional source)
Sphacelaria tribuloides Meneghini, 1840 (additional source)
Streblonema oligosporum Strömfelt, 1884 accepted as Litosiphon laminariae (Lyngbye) Harvey, 1849 (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 linza Linnaeus, 1753 (additional source)
Ulva prolifera O.F.Müller, 1778 (additional source)
Ulva rigida C.Agardh, 1823 (additional source)
Ulvella lens P.Crouan & H.Crouan, 1859 (additional source)