| Nominal Species (n = 89) | Present allocation (n = 74) | Ref. |
|---|---|---|
| Polysiphonia abscissa J.D. Hooker & Harvey | Polysiphonia abscissa | 80701 |
| Fucus acanthiphorus J.V. Lamouroux, 1805 | Acanthophora spicifera | 80701 |
| Chondria acanthophorara C. Agardh, 1822 | Acanthophora spicifera | 80701 |
| Polysiphonia anisogona J.D. Hooker & Harvey, 1845 | Polysiphonia anisogona | 80701 |
| Acanthophora antillarum Montagne ex Kützing, 1865 | Acanthophora spicifera | 80701 |
| Polysiphonia atlantica Kapraun & J.N. Norris | Polysiphonia atlantica | 80701 |
| Spirocladia barodensis Børgesen | Spirocladia barodensis | 80701 |
| Laurencia brongniartii J. Agardh | Laurencia brongniartii | 80701 |
| Polysiphonia calodictyon Harvey, 1864 | Tolypiocladia calodictyon | 80701 |
| Laurencia caraibica P.C. Silva | Laurencia caraibica | 80701 |
| Laurencia claviformis Børgesen, 1924 | Laurencia claviformis | 80701 |
| Polysiphonia coacta C.K. Tseng | Polysiphonia coacta | 80701 |
| Polysiphonia codicola Zanardini ex Frauenfeld | Polysiphonia codicola | 80701 |
| Laurencia congesta Taylor | Laurencia congesta | 80701 |
| Alsidium corallinum C. Agardh | Alsidium corallinum | 80701 |
| Laurencia corallopsis (Montagne) M.A.Howe, 1918 | Palisada corallopsis | 3477 |
| Palisada corallopsis (Montagne) Sentíez, Fujii & Díaz in Sentíez & Díaz-Larrea, 2008 | Palisada corallopsis | 3477 |
| Polysiphonia crassicollis Børgesen | Polysiphonia crassicollis | 80701 |
| Lophosiphonia cristata Falkenberg, 1901 | Lophosiphonia cristata | 80701 |
| Laurencia decumbens Kützing | Laurencia decumbens | 80701 |
| Herposiphonia dendroidea Hollenberg, 1968 | Herposiphonia dendroidea | 80701 |
| Herposiphonia dendroidea var. dendroidea Hollenberg, 1968 | Herposiphonia dendroidea var. dendroidea | 80701 |
| Laurencia densissima Setchell & N.L. Gardner, 1937 | Laurencia densissima | 80701 |
| Pterosiphonia disticha Levring, 1941 | Pterosiphonia disticha | 3477 |
| Laurencia elata var. luxurians Harvey, 1863 | Laurencia elata | 80701 |
| Polysiphonia exilis Harvey | Polysiphonia exilis | 80701 |
| Ceramium fastigiatum Roth | Polysiphonia lanosa | 84290 |
| Polysiphonia flabelliformis J.D. Hooker & Harvey | Polysiphonia flabelliformis | 80701 |
| Polysiphonia flaccidissima Hollenberg, 1942 | Polysiphonia sertularioides | 80701 |
| Laurencia flexilis Setchell | Laurencia flexilis | 80701 |
| Janczewskia gardneri Setchell & Guernsey | Janczewskia gardneri | 80701 |
| Amansia glomerata C. Agardh, 1822 | Melanamansia glomerata | 80701 |
| Pterosiphonia gracilis Kylin | Pterosiphonia gracilis | 80701 |
| Polysiphonia havanensis Montagne | Polysiphonia havanensis | 80701 |
| Polysiphonia howei Hollenberg | Polysiphonia howei | 80701 |
| Acanthophora intermedia H.L. Crouan & P.M. Crouan, 1865 | Acanthophora spicifera | 80701 |
| Laurencia intricata J.V. Lamouroux | Laurencia intricata | 80701 |
| Laurencia johnstonii Setchell & Gardner | Laurencia johnstonii | 80701 |
| Polysiphonia kampsaxii Børgesen | Polysiphonia kampsaxii | 80701 |
| Laurencia ligulata E.Y. Dawson, 1963 | Laurencia ligulata | 80701 |
| Polysiphonia macrocarpa Harvey, 1836 | Polysiphonia atlantica | 3477 |
| Laurencia mariannensis Yamada | Laurencia mariannensis | 80701 |
| Laurencia mediocris Setchell & N.L. Gardner, 1937 | Laurencia mediocris | 80701 |
| Laurencia microcladia Kützing | Laurencia microcladia | 80701 |
| Laurencia minuta Vandermeulen, Garbary & Guiry | Laurencia minuta | 80701 |
| Bostrychia montagnei Harvey | Bostrychia montagnei | 80701 |
| Acanthophora muscoides (Linnaeus) Bory de Saint-Vincent, 1828 | Acanthophora muscoides | 80701 |
| Laurencia oppositocladia Taylor, 1945 | Laurencia oppositocladia | 80701 |
| Acanthophora orientalis J. Agardh, 1863 | Acanthophora spicifera | 80701 |
| Amplisiphonia pacifica Hollenberg | Amplisiphonia pacifica | 80701 |
| Herposiphonia pacifica Hollenberg | Herposiphonia pacifica | 80701 |
| Polysiphonia pacifica Hollenberg | Polysiphonia pacifica | 80701 |
| Laurencia papillosa (C.Agardh) Greville, 1830 | Palisada perforata | 3477 |
| Herposiphonia parca Setchell | Herposiphonia parca | 80701 |
| Pilota parva Dickie | Dipterosiphonia parva | 80701 |
| Pterosiphonia paucicorticata E.Y. Dawson, 1963 | Pterosiphonia paucicorticata | 80701 |
| Laurencia pedicularioides Børgesen, 1933 | Osmundea pedicularioides | 3477 |
| Laurencia pedicularioides var. queenslandica A.B.Cribb, 1958 | Osmundea pedicularioides | 3477 |
| Palisada perforata (Bory de Saint-Vincent) K.W.Nam, 2007 | Palisada perforata | 3477 |
| Laurencia pinnata Yamada | Laurencia pinnata | 80701 |
| Laurencia pinnatifida (Gmelin) Lamouroux | Laurencia pinnatifida | 3477 |
| Chondria pinnatifida var. elata C. Agardh, 1822 | Laurencia elata | 80701 |
| Polysiphonia platycarpa Børgesen | Polysiphonia platycarpa | 80701 |
| Laurencia poiteaui (J.V.Lamouroux) M.A.Howe, 1918 | Yuzurua poiteaui | 3477 |
| Palisada poiteaui (J.V.Lamouroux) K.W.Nam, 2007 | Yuzurua poiteaui | 3477 |
| Yuzurua poiteaui (J.V.Lamouroux) Martin-Lescanne, 2010 | Yuzurua poiteaui | 3477 |
| Laurencia poitei (J.V.Lamouroux) M.A.Howe | Laurencia poitei | 80701 |
| Pterosiphonia pusilla Levring, 1941 | Pterosiphonia pusilla | 80701 |
| Polysiphonia savatieri Hariot, 1891 | Polysiphonia japonica var. savatieri | 80701 |
| Polysiphonia scopulorum Harvey | Polysiphonia scopulorum | 80701 |
| Polysiphonia senticulosa Harvey | Polysiphonia senticulosa | 80701 |
| Laurencia snyderae Dawson, 1945 | Laurencia snyderae | 3477 |
| Laurencia spectabilis Postels & Ruprecht, 1840 | Osmundea spectabilis | 3477 |
| Polysiphonia sphaerocarpa Børgesen | Neosiphonia sphaerocarpa | 80701 |
| Fucus spicifer M. Vahl, 1802 | Acanthophora spicifera | 80701 |
| Polysiphonia subtilissima Montagne, 1840 | Polysiphonia subtilissima | 80701 |
| Laurencia surculigera C.K.Tseng, 1943 | Palisada surculigera | 80701 |
| Acanthophora thierryi J.V. Lamouroux, 1813 | Acanthophora spicifera | 80701 |
| Acanthophora thierryi f. gracilis Crouan & Crouan, 1878 | Acanthophora spicifera | 80701 |
| Polysiphonia tuberosa Hollenberg | Polysiphonia tuberosa | 80701 |
| Chondria tumulosa Sherwood & Huisman, 2020 | Chondria tumulosa | 3477 |
| Polysiphonia tuticorinensis Børgesen | Polysiphonia tuticorinensis | 80701 |
| Fernandosiphonia unilateralis Levring | Fernandosiphonia unilateralis | 80701 |
| Polysiphonia upolensis Grunow | Polysiphonia upolensis | 80701 |
| Bostrychia vaga J.D.Hooker & Harvey, 1845 | Bostrychia vaga | 80701 |
| Melanocolax velutina M.T.Martin & M.A.Pocock | Colacopsis velutina | 80701 |
| Polysiphonia villum J. Agardh, 1863 | Polysiphonia scopulorum var. villum | 80701 |
| Odonthalia washingtoniensis Kylin | Odonthalia washingtoniensis | 80701 |
| Acanthophora wightii J. Agardh, 1863 | Acanthophora spicifera | 80701 |