| A |
| Acinetospora crinita (Carmich. ex Harv.) Kornmann 1953 |
|
Least concern |
| Acrochaete elegans |
|
Not established |
| Acrochaete flustrae (Reinke) O'Kelly 2006 |
|
Least concern |
| Acrochaete repens Pringsh. 1863 |
|
Least concern |
| Acrochaete wittrockii (Wille) R. Nielsen 1983 |
|
Least concern |
| Acrochaetium balticum (Rosenv.) Aleem & Schulz 1952 |
|
Data deficient |
| Acrochaetium efflorescens (J. Agardh) Nägeli 1861 |
|
Least concern |
| Acrochaetium kylinii Hamel 1927 |
|
Not established |
| Acrochaetium minimum Collins 1908 |
|
Data deficient |
| Acrochaetium moniliforme (Rosenv.) Børgesen 1915 |
|
Data deficient |
| Acrochaetium parvulum (Kylin) Hoyt 1920 |
|
Data deficient |
| Acrochaetium reductum (Rosenv.) Hamel 1927 |
|
Data deficient |
| Acrochaetium rosulatum (Rosenv.) Papenf. 1945 |
|
Data deficient |
| Acrochaetium secundatum (Lyngb.) Nägeli 1862 |
|
Least concern |
| Acrochaetium seiriolanum (R.J.H. Gibson) Rosenv. 1924 |
|
Threatened to an unkown extent |
| Acrochaetium virgatulum (Harv.) Batters 1902 |
|
Least concern |
| Acrosiphonia arcta (Dillwyn) Gain 1912 |
Zweigfadenalge |
Data deficient |
| Acrosiphonia sonderi (Kütz.) Kornmann 1962 |
|
Data deficient |
| Acrosiphonia spinescens (Kütz.) Kjellm. 1883 |
|
Data deficient |
| Actinema scutellum Reinsch 1875 |
|
Data deficient |
| Aegagropila linnaei Kütz. 1843 |
|
Data deficient |
| Aglaothamnion hookeri (Dillwyn) Maggs & Hommers. 1993 |
|
Least concern |
| Aglaothamnion roseum (Roth) Maggs & L'Hardy-Halos 1993 |
|
Threatened to an unkown extent |
| Aglaothamnion tenuissimum (Bonnem.) Feldm.-Maz. 1941 |
|
Least concern |
| Ahnfeltia plicata (Huds.) Fr. 1836 |
Faltentang |
Threatened to an unkown extent |
| Antithamnion cruciatum (C. Agardh) Nägeli 1847 |
Kreuzförmiges Antithamnion |
Extinct in Germany |
| Antithamnionella floccosa (O.F. Müll.) Whittick 1980 |
|
Rare |
| Aphanochaete repens A. Braun 1849 |
|
Extinct in Germany |
| Apoglossum ruscifolium (Turner) J. Agardh 1898 |
|
Extinct in Germany |
| Arthrocladia villosa (Huds.) Duby 1830 |
Zottentang |
Extinct in Germany |
| Ascophyllum nodosum (L.) Le Jol. 1863 |
Knotentang |
Least concern |
| Asperococcus fistulosus (Huds.) Hook. 1833 |
|
Data deficient |
| B |
| Bangia fuscopurpurea (Dillwyn) Lyngb. 1819 |
|
Threatened to an unkown extent |
| Binuclearia lauterbornii (Schmidle) Proschk.-Lavr. 1966 |
|
Least concern |
| Blastophysa rhizopus Reinke 1889 |
|
Least concern |
| Blidingia chadefaudii (Feldmann) Bliding 1963 |
|
Rare |
| Blidingia marginata (J. Agardh) P.J.L. Dang. ex Bliding 1963 |
|
Least concern |
| Blidingia minima (Nägeli ex Kütz.) Kylin 1947 |
Kleiner Darmtang |
Least concern |
| Blidingia subsalsa (Kjellman) Kornmann & Sahling ex Scagel & al. 1989 |
|
Data deficient |
| Bolbocoleon piliferum Pringsh. 1862 |
|
Data deficient |
| Bonnemaisonia hamifera Har. 1891 |
|
Data deficient |
| Botryoglossum platycarpum (Turner) Kütz. 1843 |
|
Data deficient |
| Botrytella micromora Bory 1822 |
|
Data deficient |
| Botrytella reinboldii (Reinke) Kornmann & Sahling 1988 |
|
Data deficient |
| Brongniartella byssoides (Gooden. & Woodw.) F. Schmitz 1893 |
|
Threatened to an unkown extent |
| Bryopsis hypnoides J.V. Lamour. 1809 |
|
Least concern |
| Bryopsis lyngbyei Hornem. 1818 |
|
Data deficient |
| Bryopsis plumosa (Huds.) C. Agardh 1823 |
Grüner Federtang |
Least concern |
| C |
| Callithamnion corymbosum (Sm.) Lyngb. 1819 |
Doldentraubiges Callithamnion |
Threatened to an unkown extent |
| Callithamnion repens (Dillwyn) Lyngb. 1819 |
|
Data deficient |
| Callithamnion tetricum (Dillwyn) Gray 1821 |
|
Extinct in Germany |
| Capsosiphon fulvescens (C. Agardh) Setch. & N.L. Gardner 1920 |
|
Least concern |
| Ceramium deslongchampsii Chauv. ex Duby 1830 |
|
Least concern |
| Ceramium diaphanum (Lightf.) Roth 1806 |
|
Least concern |
| Ceramium echionotum J. Agardh 1844 |
|
Threatened to an unkown extent |
| Ceramium gracillium Griff. & Harvey |
|
Not established |
| Ceramium siliquosum (Kütz.) Maggs & Hommers. 1993 |
|
Data deficient |
| Ceramium tenuicorne (Kütz.) Waern 1952 |
|
Least concern |
| Ceramium virgatum Roth 1797 |
Roter Horntang |
Least concern |
| Ceratocolax hartzii Rosenv. 1898 |
|
Data deficient |
| Chaetomorpha ligustica (Kütz.) Kütz. 1849 |
|
Least concern |
| Chaetomorpha linum (O.F. Müll.) Kütz. 1845 |
|
Least concern |
| Chaetomorpha melagonium (F. Weber & D. Mohr) Kütz. 1845 |
|
Least concern |
| Chilionema ocellatum (Kütz.) Kornmann 1953 |
|
Data deficient |
| Chlorochytrium cohnii E.P. Wright 1877 |
|
Data deficient |
| Chlorochytrium dermatocolax Reinke 1889 |
|
Data deficient |
| Chondria dasyphylla (Woodw.) C. Agardh 1817 |
|
Extinct in Germany |
| Chondrus crispus Stackh. 1797 var. crispus |
Knorpeltang |
Least concern |
| Chorda filum (L.) Stackh. 1797 |
Meersaite |
Least concern |
| Chordaria flagelliformis (O.F. Müll.) C. Agardh 1817 |
Geißeltang |
Data deficient |
| Chroodactylon ornatum (C. Agardh) Basson 1979 |
|
Data deficient |
| Cladophora albida (Nees) Kütz. 1843 |
|
Least concern |
| Cladophora cristata Kütz. 1843 |
|
Data deficient |
| Cladophora dalmatica Kütz. 1843 |
|
Data deficient |
| Cladophora fracta (O.F. Müll. ex Vahl) Kütz. 1843 var. fracta |
|
Data deficient |
| Cladophora fracta var. intricata (Lyngb.) C. Hoek 1963 |
|
Data deficient |
| Cladophora glomerata (L.) Kütz. 1843 |
Seidige Cladophora |
Data deficient |
| Cladophora laetevirens (Dillwyn) Kütz. 1843 |
|
Data deficient |
| Cladophora lehmanniana (Lindenb.) Kütz. 1843 |
|
Data deficient |
| Cladophora pygmaea Reinke 1888 |
|
Data deficient |
| Cladophora rupestris (L.) Kütz. 1843 |
Felsen-Zweigfadenalge |
Least concern |
| Cladophora sericea (Huds.) Kütz. 1843 |
|
Least concern |
| Cladophora vagabunda (L.) C. Hoek 1963 |
|
Data deficient |
| Cladosiphon zosterae (J. Agardh) Kylin 1940 |
|
Least concern |
| Cladostephus spongiosus (Huds.) C. Agardh 1817 |
|
Rare |
| Cladostephus verticillatus (Lightf.) Lyngb. 1819 |
|
Data deficient |
| Coccotylus truncatus (Pall.) M.J. Wynne & J.N. Heine 1992 |
Gemeine Phyllophora |
Least concern |
| Codiolum gregarium A. Braun 1855 |
|
Data deficient |
| Codium fragile (Suringar) Har. 1889 |
|
Least concern |
| Colaconema daviesii (Dillwyn) Stegenga 1985 |
|
Data deficient |
| Colaconema emergens (Rosenv.) R. Nielsen 1994 |
|
Data deficient |
| Colaconema hallandicum (Kylin) Afonso-Car. & al. 2007 |
|
Data deficient |
| Colaconema membranaceum (Magnus) Woelk. 1973 |
|
Data deficient |
| Colaconema nemalionis (De Not. ex L. Dufour) Stegenga 1985 |
|
Least concern |
| Compsonema saxicola (Kuck.) Kornmann 1953 |
|
Data deficient |
| Corallina officinalis L. 1758 |
Offizinelles Korallenmoos |
Least concern |
| Corynophlaea crispa (Harv.) Kuck. 1929 |
|
Extinct in Germany |
| Cruoria pellita (Lyngb.) Fr. 1835 |
|
Critically endangered |
| Cutleria multifida (Turner) Grev. 1830 |
Gabeltang |
Extinct in Germany |
| Cystoclonium purpureum (Huds.) Batters 1902 |
Purpurtang |
Least concern |
| D |
| Dasya baillouviana (S.G. Gmel.) Mont. 1841 |
|
Least concern |
| Delesseria sanguinea (Huds.) J.V. Lamour. 1813 |
Blutroter Seeampfer |
Least concern |
| Derbesia marina (Lyngb.) Kjellman 1883 |
Büschelalge |
Rare |
| Desmarestia aculeata (L.) J.V. Lamour. 1813 |
Stacheltang |
Least concern |
| Desmarestia viridis (O.F. Müll.) J.V. Lamour. 1813 |
Federige Desmarestia |
Least concern |
| Dictyosiphon chordaria Aresch. 1847 |
|
Threatened to an unkown extent |
| Dictyosiphon foeniculaceus (Huds.) Grev. 1830 |
|
Endangered |
| Dictyota dichotoma (Huds.) J.V. Lamour. 1809 |
Gabelzunge |
Rare |
| Dudresnaya verticillata (With.) Le Jol. 1863 |
|
Rare |
| Dumontia contorta (S.G. Gmel.) Rupr. 1850 |
Wurmblatt |
Least concern |
| E |
| Ectocarpus fasciculatus Harv. 1841 var. fasciculatus |
|
Data deficient |
| Ectocarpus siliculosus (Dillwyn) Lyngb. 1819 var. siliculosus |
Felsen-Faseralge |
Least concern |
| Ectocarpus siliculosus var. dasycarpus (Kuck.) T. Gallardo 1992 |
|
Data deficient |
| Ectocarpus tomentosus (Huds.) Lyngb. 1819 |
|
Data deficient |
| Elachista fucicola (Velley) Aresch. 1842 |
|
Near threatened |
| Elachista stellaris Aresch. 1842 |
|
Extinct in Germany |
| Enteromorpha flexuosa subsp. linziformis (Bliding) Bliding 1963 |
|
Least concern |
| Epicladia perforans (Huber) R. Nielsen 1980 |
|
Extinct in Germany |
| Epicladia phillipsii (Batters) R. Nielsen 1984 |
|
Least concern |
| Epicladia testarum (Kylin) R. Nielsen 1980 |
|
Least concern |
| Erythrocladia elegans |
|
Not established |
| Erythrocladia irregularis Rosenv. 1909 |
|
Data deficient |
| Erythrocladia reflexa |
|
Not established |
| Erythrodermis traillii (Holmes ex Batters) Guiry & Garbary 1990 |
|
Data deficient |
| Erythropeltis discigera (Berthold) F. Schmitz 1896 |
|
Data deficient |
| Erythrotrichia carnea (Dillwyn) J. Agardh 1883 |
|
Least concern |
| Erythrotrichia reflexa (P. Crouan & H. Crouan) Thur. ex De Toni 1897 |
|
Rare |
| Eudesme virescens (Carmich. ex Berk.) J. Agardh 1880 |
|
Vulnerable |
| Eugomontia sacculata Kornmann 1960 |
|
Least concern |
| F |
| Fucus ceranoides L. 1753 |
|
Data deficient |
| Fucus evanescens C. Agardh 1820 |
|
Least concern |
| Fucus serratus L. 1753 |
Sägetang |
Threatened to an unkown extent |
| Fucus spiralis L. 1753 |
Spiraltang |
Least concern |
| Fucus vesiculosus L. 1753 f. vesiculosus |
Blasentang |
Near threatened |
| Fucus vesiculosus f. mytili (Nienb.) Nienhuis 1970 |
|
Vulnerable |
| Furcellaria lumbricalis (Huds.) J.V. Lamour. 1813 |
Gabeltang |
Least concern |
| G |
| Gayralia oxysperma (Kütz.) K.L. Vinogr. ex Scagel & al. 1989 |
|
Data deficient |
| Giraudia sphacelarioides Derbès & Solier 1851 |
|
Data deficient |
| Gloiosiphonia capillaris (Huds.) Carmich. 1833 |
|
Rare |
| Gomontia polyrhiza (Lagerh.) Bornet & Flahault 1888 |
|
Least concern |
| Gracilaria gracilis (Stackh.) Steentoft & al. 1995 |
Besentang |
Rare |
| Gracilaria vermiculophylla (Ohmi) Papenf. 1967 |
|
Least concern |
| Gracilariopsis longissima (S.G. Gmel.) Steentoft & al. 1995 |
|
Rare |
| Gymnogongrus crenulatus (Turner) J. Agardh 1851 |
|
Data deficient |
| H |
| Haemescharia hennedyi (Harv.) K.L. Vinogr. & Yacovleva 1989 |
|
Data deficient |
| Halarachnion ligulatum (Woodw.) Kütz. 1843 |
Gefranster Spinnentang |
Least concern |
| Halidrys siliquosa (L.) Lyngb. 1819 |
Schotentang, Meereiche |
Critically endangered |
| Halochlorococcum dilatatum Kornmann & Sahling 1983 |
|
Data deficient |
| Halochlorococcum marinum P.A. Dang. 1965 |
|
Data deficient |
| Halochlorococcum moorei (N.L. Gardner) Kornmann & Sahling 1983 |
|
Data deficient |
| Halorhiza vaga Kütz. 1843 |
|
Data deficient |
| Halosiphon tomentosus (Lyngb.) Jaasund 1957 |
|
Least concern |
| Halothrix lumbricalis (Kütz.) Reinke 1888 |
|
Not established |
| Halurus flosculosus (J.Ellis) Maggs & Hommers. 1993 |
|
Least concern |
| Haplospora globosa Kjellman 1872 |
|
Data deficient |
| Harveyella mirabilis (Reinsch) F. Schmitz & Reinke 1889 |
|
Data deficient |
| Hecatonema terminale (Kütz.) Kylin 1937 |
|
Threatened to an unkown extent |
| Helminthocladia calvadosii (J.V. Lamour. ex Duby) Setch. 1925 |
|
Extinct in Germany |
| Helminthora divaricata (C. Agardh) J. Agardh 1852 |
|
Extinct in Germany |
| Herponema velutinum (Grev.) J. Agardh 1890 |
|
Data deficient |
| Hildenbrandia crouanii J. Agardh 1852 |
|
Data deficient |
| Hildenbrandia rubra (Sommerf.) Menegh. 1841 |
|
Least concern |
| Himanthalia elongata (L.) Gray 1821 |
Riementang |
Rare |
| Hincksia fuscata (Zanardini) P.C. Silva 1987 |
|
Data deficient |
| Hincksia granulosa (Sm.) P.C. Silva 1987 |
|
Data deficient |
| Hincksia hincksiae (Harv.) P.C. Silva 1987 |
|
Data deficient |
| Hincksia ovata (Kjellman) P.C. Silva 1987 |
|
Rare |
| Hincksia sandriana (Zanardini) P.C. Silva 1987 |
|
Critically endangered |
| Hormotrichum vermiculare Kütz. 1849 |
|
Data deficient |
| Hydrolithon farinosum (J.V. Lamour.) Penrose & Y.M. Chamb. 1993 |
|
Extinct in Germany |
| I |
| Isthmoplea sphaerophora (Carmich.) Kjellman 1879 |
|
Data deficient |
| J |
| Jania rubens (L.) J.V. Lamour. 1816 var. rubens |
|
Extinct in Germany |
| Jania rubens var. corniculata (L.) Yendo 1905 |
|
Data deficient |
| K |
| Kornmannia leptoderma (Kjellman) Bliding 1969 |
|
Extinct in Germany |
| Kuckuckia spinosa (Kütz.) Kornmann 1958 |
|
Data deficient |
| Kuetzingiella holmesii (Batters) Kornmann 1956 |
|
Data deficient |
| Kuetzingiella maculans (Kuck.) Kornmann |
|
Data deficient |
| Kylinia humilis (Rosenv.) Papenf. 1947 |
|
Data deficient |
| Kylinia kylinoides (Feldmann) Pankow 1971 |
|
Data deficient |
| L |
| Laminaria digitata (Huds.) J.V. Lamour. 1813 |
Fingertang |
Least concern |
| Laminaria hyperborea (Gunnerus) Foslie 1884 |
Palmentang |
Least concern |
| Laminariocolax aecidioides (Rosenv.) E. Burkhardt & A.F. Peters 1998 |
|
Data deficient |
| Laminariocolax tomentosoides (Farl.) Kylin 1947 |
|
Least concern |
| Laminarionema elsbetiae H. Kawai & Tokuyama 1995 |
|
Data deficient |
| Laurencia pinnatifida (Huds.) J. V. Lamour. 1813 |
|
Not established |
| Leathesia marina (Lyngb.) Decsn. 1842 |
|
Vulnerable |
| Leptonematella fasciculata (Reinke) P.C. Silva 1959 |
|
Least concern |
| Lithophyllum orbiculatum (Foslie) Foslie 1900 |
|
Data deficient |
| Lithothamnion sonderi Hauck 1883 |
|
Least concern |
| Litosiphon laminariae (Lyngb.) Harv. 1849 |
Kleine Schlauchalge |
Data deficient |
| Lomentaria clavellosa (Turner) Gaillon 1828 |
|
Rare |
| Lomentaria orcadensis (Harv.) F.S. Collins ex W.R. Taylor 1937 |
|
Rare |
| Lophosiphonia obscura (C. Agardh) Falkenb. 1897 |
|
Data deficient |
| M |
| Mastocarpus stellatus (Stackh.) Guiry 1984 |
Sterntang |
Least concern |
| Melobesia membranacea (Esper) J.V. Lamour. 1812 |
|
Data deficient |
| Membranoptera alata (Huds.) Stackh. 1809 |
Flügel-Seeampfer |
Threatened to an unkown extent |
| Mesogloia vermiculata (Sm.) Gray 1821 |
Würmchentang |
Rare |
| Microspongium gelatinosum Reinke 1888 |
|
Least concern |
| Microspongium globosum Reinke 1888 |
|
Least concern |
| Microspongium tenuissimum (Hauck) A.F. Peters 2003 |
|
Data deficient |
| Mikrosyphar polysiphoniae Kuck. 1897 |
|
Data deficient |
| Mikrosyphar porphyrae Kuck. 1897 |
|
Data deficient |
| Monostroma arcticum Wittr. 1866 |
|
Data deficient |
| Monostroma balticum (Aresch.) Wittr. 1866 |
|
Least concern |
| Monostroma grevillei (Thur.) Wittr. 1866 |
Trompetenalge |
Least concern |
| Myrionema balticum (Reinke) Foslie 1894 |
|
Data deficient |
| Myrionema magnusii (Sauv.) Loiseaux 1967 |
|
Least concern |
| Myrionema seriatum (Reinke) Kylin 1947 |
|
Data deficient |
| Myrionema strangulans Grev. 1827 |
|
Data deficient |
| Myriotrichia clavaeformis Harv. 1834 |
|
Extinct in Germany |
| N |
| Nemalion helminthoides (Velley) Batters 1902 |
Wurmtang |
Extinct in Germany |
| Neosiphonia elongella (Harv.) M.S. Kim & I.K. Lee 1999 |
|
Data deficient |
| Neosiphonia harveyi (J. Bailey) M.S. Kim & al. 2001 |
|
Data deficient |
| O |
| Ochlochaete hystrix Thwaites ex Harv. 1849 var. hystrix |
|
Data deficient |
| Ochlochaete hystrix var. ferox (Huber) R. Nielsen 1978 |
|
Least concern |
| Odonthalia dentata (L.) Lyngb. 1819 |
|
Not established |
| Ostreobium quekettii Bornet & Flahault 1889 |
|
Data deficient |
| P |
| Palmaria palmata (L.) O. Kuntze 1898 |
|
Not established |
| Pelvetia canaliculata (L.) Decaisne & Thuret 1845 |
|
Not established |
| Percursaria percursa (C. Agardh) Rosenv. 1893 |
|
Least concern |
| Petalonia fascia (O.F. Müll.) Kuntze 1898 |
Bandblatt |
Least concern |
| Petalonia zosterifolia (Reinke) Kuntze 1898 |
|
Least concern |
| Petroderma maculiforme (Wollny) Kuck. 1897 |
|
Least concern |
| Petrospongium berkeleyi (Grev.) Nägeli ex Kütz. 1858 |
|
Extinct in Germany |
| Peyssonnelia dubyi P. Crouan & H. Crouan 1844 |
|
Data deficient |
| Phaeophila dendroides (P. Crouan & H. Crouan) Batters 1902 |
|
Data deficient |
| Phaeostroma pustulosum Kuck. 1893 |
|
Data deficient |
| Phycocelis foecunda Strömf. 1888 |
|
Data deficient |
| Phycodrys rubens (L.) Batters 1902 |
Ausgebuchteter Seeampfer, Ausgebuchtete Delesseria |
Least concern |
| Phyllophora crispa (Huds.) P.S. Dixon 1964 |
Krauser Tang |
Critically endangered |
| Phyllophora pseudoceranoides (S.G. Gmel.) Newroth & A.R.A. Taylor 1971 |
Hautblättriger Tang |
Least concern |
| Phymatolithon calcareum (Pall.) W.H. Adey & D.L. McKibbin 1970 |
Knolliger Kalktang |
Data deficient |
| Phymatolithon laevigatum (Foslie) Foslie 1898 |
|
Data deficient |
| Phymatolithon lenormandii (Aresch.) W.H. Adey 1966 |
|
Threatened to an unkown extent |
| Phymatolithon purpureum (P. Crouan & H. Crouan) Woelk. & L.M. Irvine 1986 |
|
Data deficient |
| Pilinia rimosa Kütz. 1843 |
|
Least concern |
| Planophila microcystis (P.J.L. Dang.) Kornmann & Sahling 1983 |
|
Data deficient |
| Pleurocladia lucifuga (Kuck.) R.T. Wilce 1966 |
|
Data deficient |
| Plocamium cartilagineum (L.) P.S. Dixon 1967 |
Kammtang |
Rare |
| Plumaria plumosa (Huds.) Kuntze 1891 |
Zierliche Seefeder |
Least concern |
| Pneophyllum fragile Kütz. 1843 |
|
Data deficient |
| Pneophyllum myriocarpum (P. Crouan & H. Crouan) Y.M. Chamb. 1983 |
|
Data deficient |
| Pogotrichum filiforme Reinke 1892 |
|
Data deficient |
| Polyides rotundus (Huds.) Grev. 1830 |
Scherentang |
Least concern |
| Polysiphonia boldii M.J. Wynne & P. Edwards |
|
Data deficient |
| Polysiphonia elongata (Huds.) Spreng. 1827 |
|
Least concern |
| Polysiphonia fibrillosa (Dillwyn) Spreng. 1827 |
|
Least concern |
| Polysiphonia fucoides (Huds.) Grev. 1824 |
|
Least concern |
| Polysiphonia lanosa (L.) Tandy 1931 |
|
Data deficient |
| Polysiphonia nigra (Huds.) Batters 1902 |
|
Data deficient |
| Polysiphonia stricta (Dillwyn) Grev. 1824 |
|
Least concern |
| Porphyra dioica J. Brodie & L.M. Irvine 1997 |
|
Data deficient |
| Porphyra laciniata C. Agardh 1824 |
|
Near threatened |
| Porphyra leucosticta Thur. 1863 |
|
Data deficient |
| Porphyra linearis Grev. 1830 |
|
Least concern |
| Porphyra ochotensis Nagai 1941 |
|
Data deficient |
| Porphyra purpurea (Roth) C. Agardh 1824 |
|
Data deficient |
| Porphyra umbilicalis (L.) Kütz. 1843 |
|
Least concern |
| Porphyra yezoensis Ueda 1932 |
|
Data deficient |
| Porphyropsis coccinea (J. Agardh ex Aresch.) Rosenv. 1909 |
|
Data deficient |
| Porphyropsis imperfecta Kornmann & Sahling 1985 |
|
Data deficient |
| Porphyrostromium ciliare (Carmich.) M.J. Wynne 1986 |
|
Data deficient |
| Prasiola calophylla (Carmich. ex Grev.) Kütz. 1845 |
|
Data deficient |
| Prasiola furfuracea (Mert. ex Hornem.) Kütz. 1843 |
|
Data deficient |
| Prasiola stipitata Suhr ex Jess. 1848 |
Gestielte Prasiola |
Least concern |
| Pringsheimiella scutata (Reinke) Höhn. ex Marchew. 1925 |
|
Data deficient |
| Protectocarpus hecatonemoides Kuck. 1955 |
|
Extinct in Germany |
| Protectocarpus speciosus (Børgesen) Kornmann 1955 |
|
Least concern |
| Protomonostroma undulatum (Wittr.) K.L. Vinogr. 1969 |
|
Data deficient |
| Pseudendoclonium dynamenae R. Nielsen 1985 |
|
Data deficient |
| Pseudendoclonium fucicola (Rosenv.) R. Nielsen 1980 |
|
Least concern |
| Pseudendoclonium marinum (Reinke) Aleem & E. Schulz 1952 |
|
Least concern |
| Pseudendoclonium submarinum Wille 1901 |
|
Near threatened |
| Pseudolithoderma extensum (P. Crouan & H. Crouan) S. Lund 1959 |
|
Least concern |
| Pseudolithoderma rosenvingei (Waern) S. Lund 1959 |
|
Least concern |
| Pseudolithoderma subextensum (Waern) S. Lund 1959 |
|
Least concern |
| Pterothamnion plumula (J. Ellis) Nägeli 1855 |
|
Rare |
| Punctaria latifolia Grev. 1830 |
Breitblättriger Meerwegerich |
Rare |
| Punctaria plantaginea (Roth) Grev. 1830 |
|
Data deficient |
| Punctaria tenuissima (C. Agardh) Grev. 1830 |
|
Data deficient |
| Pylaiella littoralis (L.) Kjellman 1872 |
|
Least concern |
| Pylaiella varia Kjellman 1883 |
|
Data deficient |
| R |
| Ralfsia bornetii Kuck. 1894 |
|
Data deficient |
| Ralfsia lucida S. Lund 1967 |
|
Data deficient |
| Ralfsia verrucosa (Aresch.) Aresch. 1845 |
Warzige Braunalge |
Least concern |
| Rhizoclonium hieroglyphicum (C. Agardh) Kütz. 1843 |
|
Data deficient |
| Rhizoclonium riparium (Roth) Harv. 1849 var. riparium |
|
Least concern |
| Rhizoclonium riparium var. implexum (Dillwyn) Rosenv. 1893 |
|
Data deficient |
| Rhodochorton purpureum (Lightf.) Rosenv. 1900 |
|
Data deficient |
| Rhodomela confervoides (Huds.) P.C. Silva 1952 |
|
Least concern |
| Rhodophysema elegans (P. Crouan & H. Crouan ex J. Agardh) P.S. Dixon 1964 |
|
Least concern |
| Rhodophysema georgei Batters 1900 |
|
Least concern |
| Rhodothamniella floridula (Dillwyn) Feldmann 1978 |
|
Least concern |
| Rosenvingiella constricta (Setch. & N.L. Gardner) P.C. Silva 1957 |
|
Rare |
| Rosenvingiella polyrhiza (Rosenv.) P.C. Silva 1957 |
|
Data deficient |
| Ruthnielsenia tenuis (Kylin) O'Kelly & al. 2004 |
|
Data deficient |
| S |
| Saccharina latissima (L.) C.E. Lane & al. 2006 |
Zuckertang |
Least concern |
| Sahlingia subintegra (Rosenv.) Kornmann 1989 |
|
Data deficient |
| Sargassum muticum (Yendo) Fensholt 1955 |
|
Least concern |
| Sauvageaugloia divaricata (Clemente) Cremades 1990 |
|
Extinct in Germany |
| Scagelia pylaisaei (Mont.) M.J. Wynne 1985 |
|
Extinct in Germany |
| Scagelothamnion pusillum (Rupr.) Athanas. 1996 |
|
Least concern |
| Scinaia furcellata (Turner) J. Agardh 1852 subsp. furcellata |
|
Extinct in Germany |
| Scinaia furcellata subsp. scandinavica (Maggs & Guiry) Athanas. 1996 |
|
Data deficient |
| Scytosiphon lomentaria (Lyngb.) Link 1833 |
Geschnürter Schlauchtang |
Least concern |
| Sorapion simulans Kuck. 1894 |
|
Rare |
| Spermatochnus paradoxus (Roth) Kütz. 1843 |
|
Extinct in Germany |
| Spermothamnion repens (Dillwyn) Rosenv. 1924 |
|
Threatened to an unkown extent |
| Sphacelaria arctica Harv. 1858 |
|
Data deficient |
| Sphacelaria caespitula Lyngb. 1819 |
|
Data deficient |
| Sphacelaria cirrosa (Roth) C. Agardh 1824 |
|
Threatened to an unkown extent |
| Sphacelaria nana Nägeli ex Kütz. 1855 |
|
Critically endangered |
| Sphacelaria plumigera Holmes ex Hauck 1884 |
|
Least concern |
| Sphacelaria plumosa Lyngb. 1819 |
|
Data deficient |
| Sphacelaria plumula Zanardini 1865 |
|
Extinct in Germany |
| Sphacelaria racemosa Grev. 1824 |
|
Data deficient |
| Sphacelaria radicans (Dillwyn) C. Agardh 1824 |
|
Least concern |
| Sphacelaria reticulata Lyngb. 1818 |
|
Data deficient |
| Sphacelaria rigidula Kütz. 1843 |
|
Data deficient |
| Sphaerotrichia divaricata (C. Agardh) Kylin 1940 |
|
Threatened to an unkown extent |
| Spongomorpha aeruginosa (L.) C. Hoek 1963 |
Wollige Zweigfadenalge |
Least concern |
| Spongomorpha tomentosa (Lightf.) Kütz. 1845 |
|
Data deficient |
| Spongonema tomentosum (Huds.) Kütz. 1849 |
Filzige Braunalge |
Least concern |
| Sporochnus pedunculatus (Huds.) C. Agardh 1820 |
Stieltang |
Extinct in Germany |
| Stictyosiphon soriferus (Reinke) Rosenv. 1935 |
|
Data deficient |
| Stictyosiphon tortilis (Rupr.) Reinke 1889 |
Schlauchalge |
Least concern |
| Stigeoclonium protensum (Dillwyn) Kütz. 1845 |
|
Least concern |
| Stigeoclonium tenue (C. Agardh) Kütz. 1843 |
|
Least concern |
| Stilophora nodulosa (C. Agardh) P.C. Silva 1996 |
|
Least concern |
| Stilophora tenella (Esper) P.C. Silva 1996 |
|
Least concern |
| Stragularia clavata (Harv.) Hamel 1931 |
|
Data deficient |
| Streblonema fasciculatum Thur. 1863 |
|
Extinct in Germany |
| Streblonema maculans (P.A. Dang.) South & Tittley 1986 |
|
Data deficient |
| Striaria attenuata (C. Agardh) Grev. 1828 |
|
Critically endangered |
| Stromatella monostromatica (P.J.L. Dang.) Kornmann & Sahling 1985 |
|
Data deficient |
| Stromatella papillosa (P.J.L. Dang.) Kornmann & Sahling 1985 |
|
Data deficient |
| Stylonema alsidii (Zanardini) K.M. Drew 1956 |
|
Data deficient |
| Stypocaulon scoparium (L.) Kütz. 1843 |
Pinsel-Halopteris |
Extinct in Germany |
| Sykidion droebakense Wille 1901 |
|
Data deficient |
| Symphyocarpus strangulans Rosenv. 1893 |
|
Extinct in Germany |
| Syncoryne reinkei R. Nielsen & P.M. Pedersen 1977 |
|
Data deficient |
| T |
| Tilopteris mertensii (Turner) Kütz. 1849 |
|
Rare |
| Titanoderma corallinae (P. Crouan & H. Crouan) Woelk. & al. 1985 |
|
Extinct in Germany |
| Titanoderma laminariae (P. Crouan & H. Crouan) Y.M. Chamb. 1991 |
|
Extinct in Germany |
| Titanoderma pustulatum (J.V. Lamour.) Nägeli 1858 |
|
Data deficient |
| Tsengia bairdii (Farl.) K.C. Fan & Y.P. Fan 1962 |
|
Rare |
| U |
| Ulonema rhizophorum Foslie 1894 |
|
Least concern |
| Ulothrix flacca (Dillwyn) Thur. 1863 |
Kraushaaralge |
Least concern |
| Ulothrix implexa (Kütz.) Kütz. 1849 |
|
Least concern |
| Ulothrix speciosa (Carmich.) Kütz. 1849 |
|
Data deficient |
| Ulothrix subflaccida Wille 1901 |
|
Data deficient |
| Ulothrix zonata (Weber & Mohr) Kütz. 1843 |
|
Least concern |
| Ulva clathrata (Roth) C. Agardh 1811 |
|
Least concern |
| Ulva compressa L. 1753 |
Flacher Darmtang |
Least concern |
| Ulva curvata (Kütz.) De Toni 1889 |
|
Least concern |
| Ulva flexuosa Wulfen 1803 |
|
Least concern |
| Ulva intestinalis L. 1753 |
Darmtang |
Least concern |
| Ulva lactuca L. 1753 |
Meersalat |
Least concern |
| Ulva linza L. 1753 |
Gewellter Darmtang |
Least concern |
| Ulva prolifera O.F. Müll. 1778 |
|
Least concern |
| Ulva pseudocurvata Koeman & C. Hoek 1981 |
|
Rare |
| Ulva radiata (J. Agardh) H.S. Hayden & al. 2003 |
|
Least concern |
| Ulva ralfsii (Harv.) Le Jol. 1863 |
|
Least concern |
| Ulva rigida C. Agardh 1823 |
|
Data deficient |
| Ulva scandinavica Bliding 1968 |
|
Data deficient |
| Ulva simplex (K.L. Vinogr.) H.S. Hayden & al. 2003 |
|
Data deficient |
| Ulva tenera Kornmann & Sahling 1994 |
|
Rare |
| Ulva torta (Mert.) Trev. 1841 |
|
Least concern |
| Ulvaria splendens (Rupr.) K.L. Vinogr. 1979 |
|
Least concern |
| Ulvella lens P. Crouan & H. Crouan 1859 |
|
Data deficient |
| Urospora bangioides (Harv.) Holmes & Batters 1891 |
|
Data deficient |
| Urospora curvata (Printz) Kornmann 1994 |
|
Data deficient |
| Urospora neglecta (Kornmann) Lokhorst & Trask 1981 |
|
Data deficient |
| Urospora penicilliformis (Roth) Aresch. 1866 |
|
Least concern |
| Urospora wormskioldii (Mert. ex Hornem.) Rosenv. 1893 |
|
Data deficient |
