WoRMS taxon details
Ulotrichaceae Kützing, 1843
Genus Acrosiphonia J.Agardh, 1846
Genus Fottea F.Hindák, 1968
Genus Hormidiopsis Heering, 1914
Genus Interfilum R.Chodat, 1922
Genus Psephotaxus West & G.S.West, 1897
Genus Pseudendocloniopsis Vischer, 1933
Genus Pseudoneochloris Watanabe, Himizu, Lewis, Floyd & Fuerst, 2000
Genus Pseudoschizomeris T.Deason & H.Bold, 1960
Genus Spongomorpha Kützing, 1843
Genus Anadema J.Agardh, 1846 accepted as Acrosiphonia J.Agardh, 1846
Genus Ulothrichopsis Iyengar & Kanthamma, 1940 accepted as Heterothrichopsis Iyengar & Kanthamma, 1941
Genus Ulotrichella Y.Berger-Perrot, 1981 accepted as Chlorothrix Y.Berger-Perrot, 1982
» Species Acrosiphonia arcta (Dillwyn) Gain, 1912
» Species Acrosiphonia cincinnata (Foslie) Kjellman
» Species Acrosiphonia coalita (Ruprecht) Scagel, Garbary, Golden & M.W.Hawkes, 1986
» Species Acrosiphonia congregata (Agardh) Kjellman
» Species Acrosiphonia duriuscula (Ruprecht) Yendo, 1916
» Species Acrosiphonia effusa Kjellman, 1893
» Species Acrosiphonia flabelliformis Jónsson
» Species Acrosiphonia flaccida Kjellman
» Species Acrosiphonia flagellata Kjellman, 1893
» Species Acrosiphonia grandis Kjelmann, 1893
» Species Acrosiphonia hamulosa Kjellman
» Species Acrosiphonia hemisphaerica Kjellman, 1893
» Species Acrosiphonia incurva Kjellman, 1893
» Species Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996
» Species Acrosiphonia penicilliformis (Fosl.) Kjellman
» Species Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979
» Species Acrosiphonia setacea Kjellman
» Species Acrosiphonia sonderi (Kützing) Kornmann, 1962
» Species Acrosiphonia spinescens (Kützing) Kjellman, 1893
» Species Acrosiphonia stolonifera Kjellman, 1893
» Species Acrosiphonia albescens Kjellman, 1893 accepted as Acrosiphonia arcta f. albescens (Kjellman) Perestenko, 1965
» Species Acrosiphonia binderi Kjellman, 1893 accepted as Acrosiphonia arcta f. binderi (Kjellman) Perestenko, 1965
» Species Acrosiphonia bombycina Kjellman accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia centralis (Lyngbye) Kjellman, 1893 accepted as Acrosiphonia arcta (Dillwyn) Gain, 1912 (synonym)
» Species Acrosiphonia glacialis Kjellman, 1906 accepted as Spongomorpha glacialis (Kjellman) G.R.South & Tittley, 1986 (synonym)
» Species Acrosiphonia heterocladia (Sakai) Vinogradova, 1979 accepted as Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Acrosiphonia hystrix (Strömfelt) Jónsson, 1903 accepted as Spongomorpha hystrix Strömfelt, 1887 (synonym)
» Species Acrosiphonia lanosa (Mertens ex Roth) J.Agardh, 1846 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia membranacea (Hofman Bang ex C.Agardh) J.Agardh, 1846 accepted as Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen, 1905 (synonym)
» Species Acrosiphonia mertensii Yendo, 1916 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920 (synonym)
» Species Acrosiphonia ochotensis (Tokida) Vinogradova, 1979 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920
» Species Acrosiphonia pacifica (Montagne) J.Agardh, 1857 accepted as Spongomorpha pacifica (Montagne) Kützing, 1854 (synonym)
» Species Acrosiphonia pallida Kjellman accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia traillii Batters, 1894 accepted as Spongomorpha arcta (Dillwyn) Kützing, 1849
» Species Acrosiphonia vernalis Kjellman, 1893 accepted as Spongomorpha vernalis (Kjellman) Jónsson, 1903 (synonym)
Genus Chlorhormidium B.Fott, 1960 » Forma Acrosiphonia arcta f. albescens (Kjellman) Perestenko, 1965
» Forma Acrosiphonia arcta f. binderi (Kjellman) Perestenko, 1965
» Species Acrosiphonia arctiuscula (Kützing) Jónsson» Forma Acrosiphonia arcta f. binderi (Kjellman) Perestenko, 1965
» Species Acrosiphonia cincinnata (Foslie) Kjellman
» Species Acrosiphonia coalita (Ruprecht) Scagel, Garbary, Golden & M.W.Hawkes, 1986
» Species Acrosiphonia congregata (Agardh) Kjellman
» Species Acrosiphonia duriuscula (Ruprecht) Yendo, 1916
» Species Acrosiphonia effusa Kjellman, 1893
» Species Acrosiphonia flabelliformis Jónsson
» Species Acrosiphonia flaccida Kjellman
» Species Acrosiphonia flagellata Kjellman, 1893
» Species Acrosiphonia grandis Kjelmann, 1893
» Species Acrosiphonia hamulosa Kjellman
» Species Acrosiphonia hemisphaerica Kjellman, 1893
» Species Acrosiphonia incurva Kjellman, 1893
» Forma Acrosiphonia incurva f. crassa Perestenko, 1965
» Forma Acrosiphonia incurva f. parva Perestenko, 1965
» Species Acrosiphonia minima (Fosl.) Kjellman» Forma Acrosiphonia incurva f. parva Perestenko, 1965
» Species Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996
» Species Acrosiphonia penicilliformis (Fosl.) Kjellman
» Species Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979
» Species Acrosiphonia setacea Kjellman
» Species Acrosiphonia sonderi (Kützing) Kornmann, 1962
» Species Acrosiphonia spinescens (Kützing) Kjellman, 1893
» Species Acrosiphonia stolonifera Kjellman, 1893
» Species Acrosiphonia albescens Kjellman, 1893 accepted as Acrosiphonia arcta f. albescens (Kjellman) Perestenko, 1965
» Species Acrosiphonia binderi Kjellman, 1893 accepted as Acrosiphonia arcta f. binderi (Kjellman) Perestenko, 1965
» Species Acrosiphonia bombycina Kjellman accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia centralis (Lyngbye) Kjellman, 1893 accepted as Acrosiphonia arcta (Dillwyn) Gain, 1912 (synonym)
» Species Acrosiphonia glacialis Kjellman, 1906 accepted as Spongomorpha glacialis (Kjellman) G.R.South & Tittley, 1986 (synonym)
» Species Acrosiphonia heterocladia (Sakai) Vinogradova, 1979 accepted as Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Acrosiphonia hystrix (Strömfelt) Jónsson, 1903 accepted as Spongomorpha hystrix Strömfelt, 1887 (synonym)
» Species Acrosiphonia lanosa (Mertens ex Roth) J.Agardh, 1846 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia membranacea (Hofman Bang ex C.Agardh) J.Agardh, 1846 accepted as Cladophoropsis membranacea (Hofman Bang ex C.Agardh) Børgesen, 1905 (synonym)
» Species Acrosiphonia mertensii Yendo, 1916 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920 (synonym)
» Species Acrosiphonia ochotensis (Tokida) Vinogradova, 1979 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920
» Species Acrosiphonia pacifica (Montagne) J.Agardh, 1857 accepted as Spongomorpha pacifica (Montagne) Kützing, 1854 (synonym)
» Species Acrosiphonia pallida Kjellman accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Acrosiphonia traillii Batters, 1894 accepted as Spongomorpha arcta (Dillwyn) Kützing, 1849
» Species Acrosiphonia vernalis Kjellman, 1893 accepted as Spongomorpha vernalis (Kjellman) Jónsson, 1903 (synonym)
» Species Chlorhormidium catenatum (P.J.L.Dangeard) G.R.South & Tittley, 1986
» Species Chlorhormidium korshikovii Hollerbach, 1986
» Species Chlorhormidium rivulare
» Species Chlorhormidium crenulatum (Kützing) Komáromy, 1976 accepted as Hormidiopsis crenulata (Kützing) Heering, 1914 (synonym)
» Species Chlorhormidium dissectum (F.Gay) Farooqui, 1969 accepted as Klebsormidium dissectum (F.Gay) H.Ettl & Gärtner, 1995 (synonym)
» Species Chlorhormidium flaccidum (Kützing) Fott, 1960 accepted as Klebsormidium flaccidum (Kützing) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972 (synonym)
» Species Chlorhormidium montanum (Hansgirg) Starmach, 1972 accepted as Klebsormidium montanum (Hansgirg) S.Watanabe, 1983 (synonym)
» Species Chlorhormidium montanum (Hansgirg) Vinatzer, 1975 accepted as Klebsormidium montanum (Hansgirg) S.Watanabe, 1983 (synonym)
» Species Chlorhormidium mucosum (J.B.Petersen) Starmach, 1972 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985 (synonym)
» Species Chlorhormidium nitens (Meneghini) Komaromy, 1976 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Chlorhormidium pseudostichococcus (Heering) Fott, 1960 accepted as Klebsormidium pseudostichococcus (Heering) H.Ettl & Gärtner, 1995 (synonym)
» Species Chlorhormidium rivulare (Kützing) Starmach, 1972 accepted as Klebsormidium rivulare (Kützing) M.O.Morison & Sheath, 1985 (synonym)
» Species Chlorhormidium subtile (Kützing) Starmach, 1972 accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Species Chlorhormidium subtilissimum (Rabenhorst) Fott, 1971 accepted as Klebsormidium subtilissimum (Rabenhorst) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972
Genus Chlorocystis L.Reinhard, 1885» Species Chlorhormidium korshikovii Hollerbach, 1986
» Species Chlorhormidium rivulare
» Species Chlorhormidium crenulatum (Kützing) Komáromy, 1976 accepted as Hormidiopsis crenulata (Kützing) Heering, 1914 (synonym)
» Species Chlorhormidium dissectum (F.Gay) Farooqui, 1969 accepted as Klebsormidium dissectum (F.Gay) H.Ettl & Gärtner, 1995 (synonym)
» Species Chlorhormidium flaccidum (Kützing) Fott, 1960 accepted as Klebsormidium flaccidum (Kützing) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972 (synonym)
» Variety Chlorhormidium flaccidum var. nitens (Kützing) Farooqui, 1969
» Forma Chlorhormidium flaccidum f. aquaticum (Heering) Starmach, 1972 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985 (synonym)
» Variety Chlorhormidium flaccidum var. nitens (Meneghini) Starmach, 1972 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Chlorhormidium fluitans (F.Gay) Starmach, 1972 accepted as Klebsormidium fluitans (F.Gay) Lokhorst, 1996 (synonym)» Forma Chlorhormidium flaccidum f. aquaticum (Heering) Starmach, 1972 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985 (synonym)
» Variety Chlorhormidium flaccidum var. nitens (Meneghini) Starmach, 1972 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Chlorhormidium montanum (Hansgirg) Starmach, 1972 accepted as Klebsormidium montanum (Hansgirg) S.Watanabe, 1983 (synonym)
» Species Chlorhormidium montanum (Hansgirg) Vinatzer, 1975 accepted as Klebsormidium montanum (Hansgirg) S.Watanabe, 1983 (synonym)
» Species Chlorhormidium mucosum (J.B.Petersen) Starmach, 1972 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985 (synonym)
» Species Chlorhormidium nitens (Meneghini) Komaromy, 1976 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Chlorhormidium pseudostichococcus (Heering) Fott, 1960 accepted as Klebsormidium pseudostichococcus (Heering) H.Ettl & Gärtner, 1995 (synonym)
» Species Chlorhormidium rivulare (Kützing) Starmach, 1972 accepted as Klebsormidium rivulare (Kützing) M.O.Morison & Sheath, 1985 (synonym)
» Species Chlorhormidium subtile (Kützing) Starmach, 1972 accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Species Chlorhormidium subtilissimum (Rabenhorst) Fott, 1971 accepted as Klebsormidium subtilissimum (Rabenhorst) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972
» Species Chlorocystis guttula Hindak
» Species Chlorocystis cohnii (E.P.Wright) L.Reinhard, 1885 accepted as Chlorochytrium cohnii E.P.Wright, 1877 (Synonym)
» Species Chlorocystis sarcophyci F.G.Whitting, 1893 accepted as Chlorochytrium sarcophyci (Whitting) G.S.West (synonym)
Genus Chlorothrix Y.Berger-Perrot, 1982» Species Chlorocystis cohnii (E.P.Wright) L.Reinhard, 1885 accepted as Chlorochytrium cohnii E.P.Wright, 1877 (Synonym)
» Species Chlorocystis sarcophyci F.G.Whitting, 1893 accepted as Chlorochytrium sarcophyci (Whitting) G.S.West (synonym)
» Species Chlorothrix gracilis (Berger-Perrot) Berger-Perrot & Thomas, 1982
» Species Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986
» Species Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982
Genus Dendronema Schmidle, 1897» Species Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986
» Species Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982
» Species Dendronema confervaceum Schmidle, 1897
Genus Didymothrix Y.X.Wei & H.J.Hu, 1991Genus Fottea F.Hindák, 1968
» Species Fottea cylindrica F.Hindák, 1968
» Species Fottea minuta Hindak
» Species Fottea montana F.Hindák
» Species Fottea sphaeroides F.Hindák
» Species Fottea stichococcoides F.Hindák, 1981
» Species Fottea pyrenoidosa P.A.Broady, 1976 accepted as Mesotaenium pyrenoidosum (P.A.Broady) O.V.Petlovany, 2015
Genus Geminellopsis A.A.Korschikov, 1939» Species Fottea minuta Hindak
» Species Fottea montana F.Hindák
» Species Fottea sphaeroides F.Hindák
» Species Fottea stichococcoides F.Hindák, 1981
» Species Fottea pyrenoidosa P.A.Broady, 1976 accepted as Mesotaenium pyrenoidosum (P.A.Broady) O.V.Petlovany, 2015
» Species Geminellopsis fragilis Korschikov, 1939
Genus Gloeotilopsis Iyengar & Philipose, 1956 » Species Gloeotilopsis paucicellulare (Vischer) Friedl, 1996
» Species Gloeotilopsis planctonica Iyengar & Philipose, 1956
» Species Gloeotilopsis sarcinoidea (Groover & H.C.Bold) Friedl, 1996
» Species Gloeotilopsis sterilis Deason, 1969
Genus Gyoerffyella E.Kol, 1928» Species Gloeotilopsis planctonica Iyengar & Philipose, 1956
» Species Gloeotilopsis sarcinoidea (Groover & H.C.Bold) Friedl, 1996
» Species Gloeotilopsis sterilis Deason, 1969
» Species Gyoerffyella tatarica Kol, 1928
Genus Heterothrichopsis Iyengar & Kanthamma, 1941Genus Hormidiopsis Heering, 1914
» Species Hormidiopsis crenulata (Kützing) Heering, 1914
» Species Hormidiopsis ellipsoideum Prescott, 1944 accepted as Geminella elipsoidea (Prescott) G.M.Smith, 1950 (synonym)
Genus Hormidiospora Vinatzer, 1975» Species Hormidiopsis ellipsoideum Prescott, 1944 accepted as Geminella elipsoidea (Prescott) G.M.Smith, 1950 (synonym)
» Species Hormidiospora verrucosa Vinatzer, 1975
Genus Ignatius H.C.Bold & F.J.MacEntee, 1974Genus Interfilum R.Chodat, 1922
» Species Interfilum massjukiae Mikhailyuk, Sluiman, Massalski, Mudimu, Demchenko, Friedl & Kondratyuk, 2008
» Species Interfilum paradoxum R.Chodat & Topali, 1922
» Species Interfilum terricola (J.B.Petersen) Mikhailyuk, Sluiman, Massalski, Mudimu, Demchenko, Friedl & Kondratyuk, 2008
Genus Pearsoniella Fritsch & Rich, 1924» Species Interfilum paradoxum R.Chodat & Topali, 1922
» Species Interfilum terricola (J.B.Petersen) Mikhailyuk, Sluiman, Massalski, Mudimu, Demchenko, Friedl & Kondratyuk, 2008
Genus Psephotaxus West & G.S.West, 1897
Genus Pseudendocloniopsis Vischer, 1933
Genus Pseudoneochloris Watanabe, Himizu, Lewis, Floyd & Fuerst, 2000
Genus Pseudoschizomeris T.Deason & H.Bold, 1960
» Species Pseudoschizomeris caudata Deason & Bold, 1960
» Species Pseudoschizomeris mucosa P.A.Broady, 1983 accepted as Trichosarcina mucosa (P.A.Broady) D.F.Chappell & C.J.O'Kelly (synonym)
Genus Pseudothrix Hanic & S.C.Lindstrom, 2008» Species Pseudoschizomeris mucosa P.A.Broady, 1983 accepted as Trichosarcina mucosa (P.A.Broady) D.F.Chappell & C.J.O'Kelly (synonym)
» Species Pseudothrix borealis Hanic & S.C.Lindstrom, 2008
» Species Pseudothrix groenlandica (J.Agardh) Hanic & S.C.Lindstrom, 2008
Genus Raphidonemopsis T.Deason, 1969» Species Pseudothrix groenlandica (J.Agardh) Hanic & S.C.Lindstrom, 2008
Genus Spongomorpha Kützing, 1843
» Species Spongomorpha aeruginosa (Linnaeus) Hoek, 1963
» Species Spongomorpha arcta (Dillwyn) Kützing, 1849
» Species Spongomorpha coalita (Ruprecht) F.S.Collins, 1909
» Species Spongomorpha conjuncta W.R.Taylor, 1945
» Species Spongomorpha glacialis (Kjellman) G.R.South & Tittley, 1986
» Species Spongomorpha hystrix Strömfelt, 1887
» Species Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920
» Species Spongomorpha pacifica (Montagne) Kützing, 1854
» Species Spongomorpha spiralis Sakai, 1954
» Species Spongomorpha tomentosa
» Species Spongomorpha vernalis (Kjellman) Jónsson, 1903
» Species Spongomorpha breviarticulata Sakai, 1954 accepted as Spongomorpha duriuscula (Ruprecht) Collins, 1909 (synonym)
» Species Spongomorpha cartilaginea Ruprecht, 1850 accepted as Spongomorpha duriuscula (Ruprecht) Collins, 1909 (synonym)
» Species Spongomorpha centralis (Lyngbye) Kützing accepted as Acrosiphonia arcta (Dillwyn) Gain, 1912 (Junior synonym)
» Species Spongomorpha congregata (C.Agardh) Kützing, 1843 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha duriuscula (Ruprecht) Collins, 1909 accepted as Acrosiphonia duriuscula (Ruprecht) Yendo, 1916 (synonym)
» Species Spongomorpha flagellata (Kjellman) G.R.South & Tittley, 1986 accepted as Acrosiphonia flagellata Kjellman, 1893 (synonym)
» Species Spongomorpha hemisphaerica (Kjellman) G.R.South & Tittley, 1986 accepted as Acrosiphonia hemisphaerica Kjellman, 1893 (synonym)
» Species Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Spongomorpha hookeriana (Kützing) Kützing, 1854 accepted as Spongomorpha pacifica (Montagne) Kützing, 1854 (synonym)
» Species Spongomorpha indica Thivy & V.Visalakshmi, 1963 accepted as Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996 (synonym)
» Species Spongomorpha lanosa (Roth) Kützing accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha pallida (Kjellman) Wille accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha saxatilis (Ruprecht) F.S.Collins, 1909 accepted as Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979
» Species Spongomorpha sonderi (Kützing) Kützing, 1854 accepted as Acrosiphonia sonderi (Kützing) Kornmann, 1962 (synonym)
» Species Spongomorpha spinescens (Kützing) Kützing, 1854 accepted as Acrosiphonia spinescens (Kützing) Kjellman, 1893
» Species Spongomorpha uncialis (O.F.Müller) Kützing, 1843 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
Genus Ulothrix Kützing, 1833» Species Spongomorpha arcta (Dillwyn) Kützing, 1849
» Variety Spongomorpha arcta var. limitanea F.S.Collins, 1911 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920 (synonym)
» Species Spongomorpha cincinnata Foslie, 1884» Species Spongomorpha coalita (Ruprecht) F.S.Collins, 1909
» Species Spongomorpha conjuncta W.R.Taylor, 1945
» Species Spongomorpha glacialis (Kjellman) G.R.South & Tittley, 1986
» Species Spongomorpha hystrix Strömfelt, 1887
» Species Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920
» Variety Spongomorpha mertensii var. tenuis (Tokida) Tokida, 1954 accepted as Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Spongomorpha minima Foslie, 1887» Species Spongomorpha pacifica (Montagne) Kützing, 1854
» Species Spongomorpha spiralis Sakai, 1954
» Species Spongomorpha tomentosa
» Species Spongomorpha vernalis (Kjellman) Jónsson, 1903
» Species Spongomorpha breviarticulata Sakai, 1954 accepted as Spongomorpha duriuscula (Ruprecht) Collins, 1909 (synonym)
» Species Spongomorpha cartilaginea Ruprecht, 1850 accepted as Spongomorpha duriuscula (Ruprecht) Collins, 1909 (synonym)
» Species Spongomorpha centralis (Lyngbye) Kützing accepted as Acrosiphonia arcta (Dillwyn) Gain, 1912 (Junior synonym)
» Species Spongomorpha congregata (C.Agardh) Kützing, 1843 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha duriuscula (Ruprecht) Collins, 1909 accepted as Acrosiphonia duriuscula (Ruprecht) Yendo, 1916 (synonym)
» Variety Spongomorpha duriuscula var. cartilaginea (Ruprecht) Yamada, 1935 accepted as Acrosiphonia duriuscula (Ruprecht) Yendo, 1916 (synonym)
» Variety Spongomorpha duriuscula var. tenuis Yamada, 1935 accepted as Acrosiphonia duriuscula (Ruprecht) Yendo, 1916 (synonym)
» Species Spongomorpha effusa (Kjellman) G.R.South & Tittley, 1986 accepted as Acrosiphonia effusa Kjellman, 1893 (synonym)» Variety Spongomorpha duriuscula var. tenuis Yamada, 1935 accepted as Acrosiphonia duriuscula (Ruprecht) Yendo, 1916 (synonym)
» Species Spongomorpha flagellata (Kjellman) G.R.South & Tittley, 1986 accepted as Acrosiphonia flagellata Kjellman, 1893 (synonym)
» Species Spongomorpha hemisphaerica (Kjellman) G.R.South & Tittley, 1986 accepted as Acrosiphonia hemisphaerica Kjellman, 1893 (synonym)
» Species Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Spongomorpha hookeriana (Kützing) Kützing, 1854 accepted as Spongomorpha pacifica (Montagne) Kützing, 1854 (synonym)
» Species Spongomorpha indica Thivy & V.Visalakshmi, 1963 accepted as Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996 (synonym)
» Species Spongomorpha lanosa (Roth) Kützing accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Variety Spongomorpha lanosa var. uncialis (O.F.Müller) Kjellman accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha ochotensis Tokida, 1932 accepted as Spongomorpha mertensii (Yendo) Setchell & N.L.Gardner, 1920 » Forma Spongomorpha ochotensis f. tenuis Tokida, 1932 accepted as Spongomorpha heterocladia Sakai, 1954 (synonym)
» Species Spongomorpha oxyclada (Montagne) Kützing, 1854 accepted as Camontagnea oxyclada (Montagne) Pujals, 1981 (synonym)» Species Spongomorpha pallida (Kjellman) Wille accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Spongomorpha saxatilis (Ruprecht) F.S.Collins, 1909 accepted as Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979
» Species Spongomorpha sonderi (Kützing) Kützing, 1854 accepted as Acrosiphonia sonderi (Kützing) Kornmann, 1962 (synonym)
» Species Spongomorpha spinescens (Kützing) Kützing, 1854 accepted as Acrosiphonia spinescens (Kützing) Kjellman, 1893
» Species Spongomorpha uncialis (O.F.Müller) Kützing, 1843 accepted as Spongomorpha aeruginosa (Linnaeus) Hoek, 1963 (synonym)
» Species Ulothrix aequalis Kützing, 1845
» Species Ulothrix albicans Kützing, 1845
» Species Ulothrix amphigranulata Skuja, 1948
» Species Ulothrix anisartha Kützing
» Species Ulothrix aquatilis Tisdall
» Species Ulothrix attenuata Kützing
» Species Ulothrix australica Playfair
» Species Ulothrix australis Gain, 1911
» Species Ulothrix bipyrenoidosa F.E.Fritsch & Rich, 1929
» Species Ulothrix brachymelia (Lyngbye) Trevisan
» Species Ulothrix brunnthaleri Schussnig, 1915
» Species Ulothrix caldaria (Kützing) Collins
» Species Ulothrix capillaris Kützing
» Species Ulothrix carmichaelii (Harvey) P.L.Crouan & H.M.Crouan
» Species Ulothrix chengiana Skvortzov
» Species Ulothrix collabens (C.Agardh) Thuret
» Species Ulothrix compacta (Roth) Kützing
» Species Ulothrix confervicola (Lagerheim) Mattox & Bold
» Species Ulothrix contorta (C.Agardh) Trevisan
» Species Ulothrix crassa Kützing
» Species Ulothrix crassa (Kützing) Kützing
» Species Ulothrix crassiuscula Kützing
» Species Ulothrix cutleriae (Harvey) Thuret
» Species Ulothrix cylindrica Prescott, 1944
» Species Ulothrix cylindrocapsa Itzigsohn
» Species Ulothrix debilis Kützing
» Species Ulothrix delicatula (Kützing) Kützing
» Species Ulothrix desmidiiformis Roemer
» Species Ulothrix didyma Kützing
» Species Ulothrix discifera Kjellman, 1877
» Species Ulothrix dissecta F.Gay
» Species Ulothrix dissiliens (Dillwyn) Kützing
» Species Ulothrix dotyi H.Silva, 1953
» Species Ulothrix endospongialis Humm, 1979
» Species Ulothrix fimbriata Bold, 1958
» Species Ulothrix flacca (Dillwyn) Thuret, 1863
» Species Ulothrix flexuosa Kornmann, 1964
» Species Ulothrix floccosa (Vaucher) Ørsted
» Species Ulothrix fragilis (J.D.Hooker & Harvey) Kützing
» Species Ulothrix fusca Dickie, 1876
» Species Ulothrix gelatinosa F.E.Fritsch
» Species Ulothrix geminata C.C.Jao, 1964
» Species Ulothrix glauca Nayal
» Species Ulothrix idiospora G.S.West
» Species Ulothrix implexa (Kützing) Kützing, 1849
» Species Ulothrix investiens (Fries) Trevisan
» Species Ulothrix isogona (J.E.Smith) Thuret
» Species Ulothrix juergensii
» Species Ulothrix kochii Kützing
» Species Ulothrix lacustris Hilse
» Species Ulothrix laetevirens (Harvey) Collins, 1909
» Species Ulothrix lamellosa Reinsch, 1890
» Species Ulothrix latissima Heufler
» Species Ulothrix lenormandii (Kützing) Kützing
» Species Ulothrix ligustica Dufour
» Species Ulothrix limnetica Lemmermann, 1914
» Species Ulothrix longicauda Schussnig, 1915
» Species Ulothrix marina P.L.Crouan & H.M.Crouan
» Species Ulothrix maxima Kützing
» Species Ulothrix minulata Kützing, 1845
» Species Ulothrix mirabilis Hansgirg, 1886
» Species Ulothrix moniliformis (Kützing) Kützing, 1849
» Species Ulothrix mucosa Oltmanns
» Species Ulothrix mucosa Thuret, 1850
» Species Ulothrix muralis (Dillwyn) Kützing
» Species Ulothrix muscicola Kützing
» Species Ulothrix naegeliana Kützing
» Species Ulothrix nitens Kützing, 1849
» Species Ulothrix novae-zelandiae V.J.Chapman, 1956
» Species Ulothrix oedogonioides Grunow
» Species Ulothrix oscillarina Kützing, 1845
» Species Ulothrix oscillatorioides (C.Agardh) Trevisan
» Species Ulothrix pallescens Kützing
» Species Ulothrix pallida
» Species Ulothrix parasitica (C.Agardh) Kützing
» Species Ulothrix parvula P.L.Crouan & H.M.Crouan
» Species Ulothrix pearsonii Starmach
» Species Ulothrix pectinalis Kützing
» Species Ulothrix penicilliformis (Roth) A.Braun
» Species Ulothrix punctata Nygaard
» Species Ulothrix quaternaria Playfair
» Species Ulothrix rorida Thuret
» Species Ulothrix rupicola Bailey
» Species Ulothrix seriata Cornu
» Species Ulothrix shameelii Faridi
» Species Ulothrix simplex Islam, 1969
» Species Ulothrix speciosa (Carmichael) Kützing, 1849
» Species Ulothrix sphacelariae (Foslie) Kjellman
» Species Ulothrix stagnora (Kützing) Kützing
» Species Ulothrix subflaccida Wille, 1901
» Species Ulothrix submarina Kützing
» Species Ulothrix subsalsa Ørsted
» Species Ulothrix subtatrana Raciborski
» Species Ulothrix tenerrima (Kützing) Kützing, 1843
» Species Ulothrix tenuissima Kützing, 1833
» Species Ulothrix terrestris Faridi
» Species Ulothrix thermalis P.L.Crouan & H.M.Crouan
» Species Ulothrix thermara Wartmann
» Species Ulothrix tibetica C.C.Jao, 1964
» Species Ulothrix trentonense Lee
» Species Ulothrix valida
» Species Ulothrix varia (Kützing) Kützing
» Species Ulothrix varians Kützing
» Species Ulothrix velutina (Kützing) Kützing
» Species Ulothrix vichyensis Haime & Ch.Petit
» Species Ulothrix vichyensis Haime & Petit
» Species Ulothrix xainzaensis Y.-X.Wei, 1984
» Species Ulothrix zelleri V.Martens
» Species Ulothrix zonata (F.Weber & Mohr) Kützing, 1843
» Species Ulothrix acuminata K.R.Mattox & H.C.Bold, 1962 accepted as Uronema acuminatum (K.R.Mattox & H.C.Bold) G.M.Lokhorst, 1985 (synonym)
» Species Ulothrix belkae K.R.Mattox & H.C.Bold, 1962 accepted as (synonym)
» Species Ulothrix braunii Kützing, 1849 accepted as Ulothrix moniliformis var. braunii (Kützing) Rabenhorst, 1868
» Species Ulothrix consociata Wille, 1901 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix crispa (Berkeley) Kützing, 1849 accepted as Ulothrix zonata (F.Weber & Mohr) Kützing, 1843 (synonym)
» Species Ulothrix flaccida Kützing, 1849 accepted as Klebsormidium flaccidum (Kützing) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972 (synonym)
» Species Ulothrix inaequalis Kützing, 1845 accepted as Ulothrix zonata var. inaequalis (Kützing) Rabenhorst, 1868 (synonym)
» Species Ulothrix irregularis Wille, 1880 accepted as Parallela transversal (Brébisson) Novis, M.Lorenz, Broady & E.A. Flint, 2010 (synonym)
» Species Ulothrix islandica (H.Jónsson) Printz, 1926 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix laeta Thuret, 1892 accepted as Urospora laeta (Thuret ex Bornet) Børgesen, 1925 (synonym)
» Species Ulothrix minuta K.R.Mattox & H.C.Bold, 1962 accepted as (synonym)
» Species Ulothrix nitens Meneghini, 1849 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Ulothrix parietina Kützing, 1849 accepted as Prasiola calophylla (Carmichael ex Greville) Kützing, 1845 (synonym)
» Species Ulothrix pelagica Nygaard accepted as Stichococcus pelagicus (Nygaard) Hindák, 1996 (synonym)
» Species Ulothrix rigidula Kützing, 1845 accepted as Ulothrix zonata var. rigidula (Kützing) Hansgirg, 1886
» Species Ulothrix rivularis (Kützing) Kützing, 1849 accepted as Klebsormidium rivulare (Kützing) M.O.Morison & Sheath, 1985 (synonym)
» Species Ulothrix scutata H.Jónsson, 1904 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix spiroides G.S.West accepted as Stichococcus contortus (Lemmermann) Hindák, 1996 (synonym)
» Species Ulothrix subconstricta G.S.West, 1915 accepted as Gloeotila subconstricta (G.S.West) Printz, 1964 (synonym)
» Species Ulothrix subtilis Kützing, 1845 accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Species Ulothrix tenuis Kützing, 1843 accepted as Ulothrix tenuissima Kützing, 1833 (synonym)
» Species Ulothrix variabilis Kützing, 1849 accepted as Ulothrix tenerrima (Kützing) Kützing, 1843 (synonym)
Genus Ulotrichopsis L.Wichmann, 1937» Species Ulothrix albicans Kützing, 1845
» Species Ulothrix amphigranulata Skuja, 1948
» Species Ulothrix anisartha Kützing
» Species Ulothrix aquatilis Tisdall
» Species Ulothrix attenuata Kützing
» Species Ulothrix australica Playfair
» Species Ulothrix australis Gain, 1911
» Species Ulothrix bipyrenoidosa F.E.Fritsch & Rich, 1929
» Species Ulothrix brachymelia (Lyngbye) Trevisan
» Species Ulothrix brunnthaleri Schussnig, 1915
» Species Ulothrix caldaria (Kützing) Collins
» Species Ulothrix capillaris Kützing
» Species Ulothrix carmichaelii (Harvey) P.L.Crouan & H.M.Crouan
» Species Ulothrix chengiana Skvortzov
» Species Ulothrix collabens (C.Agardh) Thuret
» Species Ulothrix compacta (Roth) Kützing
» Species Ulothrix confervicola (Lagerheim) Mattox & Bold
» Species Ulothrix contorta (C.Agardh) Trevisan
» Species Ulothrix crassa Kützing
» Species Ulothrix crassa (Kützing) Kützing
» Species Ulothrix crassiuscula Kützing
» Species Ulothrix cutleriae (Harvey) Thuret
» Species Ulothrix cylindrica Prescott, 1944
» Species Ulothrix cylindrocapsa Itzigsohn
» Species Ulothrix debilis Kützing
» Species Ulothrix delicatula (Kützing) Kützing
» Species Ulothrix desmidiiformis Roemer
» Species Ulothrix didyma Kützing
» Species Ulothrix discifera Kjellman, 1877
» Species Ulothrix dissecta F.Gay
» Species Ulothrix dissiliens (Dillwyn) Kützing
» Species Ulothrix dotyi H.Silva, 1953
» Species Ulothrix endospongialis Humm, 1979
» Species Ulothrix fimbriata Bold, 1958
» Species Ulothrix flacca (Dillwyn) Thuret, 1863
» Variety Ulothrix flacca var. geniculata Berger-Perrot, 1980
» Variety Ulothrix flacca var. roscoffensis Berger-Perrot, 1980
» Species Ulothrix flexuosa Schussnig, 1915» Variety Ulothrix flacca var. roscoffensis Berger-Perrot, 1980
» Species Ulothrix flexuosa Kornmann, 1964
» Species Ulothrix floccosa (Vaucher) Ørsted
» Species Ulothrix fragilis (J.D.Hooker & Harvey) Kützing
» Species Ulothrix fusca Dickie, 1876
» Species Ulothrix gelatinosa F.E.Fritsch
» Species Ulothrix geminata C.C.Jao, 1964
» Forma Ulothrix geminata f. major H.J.Hu, 1984 accepted as Ulothrix geminata C.C.Jao, 1964 (synonym)
» Forma Ulothrix geminata f. minor Y.-X.Wei, 1984 accepted as Ulothrix geminata C.C.Jao, 1964 (synonym)
» Species Ulothrix gigas (Vischer) K.R.Mattox & H.C.Bold, 1962» Forma Ulothrix geminata f. minor Y.-X.Wei, 1984 accepted as Ulothrix geminata C.C.Jao, 1964 (synonym)
» Species Ulothrix glauca Nayal
» Species Ulothrix idiospora G.S.West
» Species Ulothrix implexa (Kützing) Kützing, 1849
» Species Ulothrix investiens (Fries) Trevisan
» Species Ulothrix isogona (J.E.Smith) Thuret
» Species Ulothrix juergensii
» Species Ulothrix kochii Kützing
» Species Ulothrix lacustris Hilse
» Species Ulothrix laetevirens (Harvey) Collins, 1909
» Species Ulothrix lamellosa Reinsch, 1890
» Species Ulothrix latissima Heufler
» Species Ulothrix lenormandii (Kützing) Kützing
» Species Ulothrix ligustica Dufour
» Species Ulothrix limnetica Lemmermann, 1914
» Species Ulothrix longicauda Schussnig, 1915
» Species Ulothrix marina P.L.Crouan & H.M.Crouan
» Species Ulothrix maxima Kützing
» Species Ulothrix minulata Kützing, 1845
» Species Ulothrix mirabilis Hansgirg, 1886
» Species Ulothrix moniliformis (Kützing) Kützing, 1849
» Species Ulothrix mucosa Oltmanns
» Species Ulothrix mucosa Thuret, 1850
» Species Ulothrix muralis (Dillwyn) Kützing
» Species Ulothrix muscicola Kützing
» Species Ulothrix naegeliana Kützing
» Species Ulothrix nitens Kützing, 1849
» Species Ulothrix novae-zelandiae V.J.Chapman, 1956
» Species Ulothrix oedogonioides Grunow
» Species Ulothrix oscillarina Kützing, 1845
» Species Ulothrix oscillatorioides (C.Agardh) Trevisan
» Species Ulothrix pallescens Kützing
» Species Ulothrix pallida
» Variety Ulothrix pallida var. virens Kützing, 1845 accepted as Ulothrix tenerrima (Kützing) Kützing, 1843 (synonym)
» Species Ulothrix palusalsa Lokhorst, 1979» Species Ulothrix parasitica (C.Agardh) Kützing
» Species Ulothrix parvula P.L.Crouan & H.M.Crouan
» Species Ulothrix pearsonii Starmach
» Species Ulothrix pectinalis Kützing
» Species Ulothrix penicilliformis (Roth) A.Braun
» Species Ulothrix punctata Nygaard
» Species Ulothrix quaternaria Playfair
» Species Ulothrix rorida Thuret
» Species Ulothrix rupicola Bailey
» Species Ulothrix seriata Cornu
» Species Ulothrix shameelii Faridi
» Species Ulothrix simplex Islam, 1969
» Species Ulothrix speciosa (Carmichael) Kützing, 1849
» Species Ulothrix sphacelariae (Foslie) Kjellman
» Species Ulothrix stagnora (Kützing) Kützing
» Species Ulothrix subflaccida Wille, 1901
» Species Ulothrix submarina Kützing
» Species Ulothrix subsalsa Ørsted
» Species Ulothrix subtatrana Raciborski
» Species Ulothrix tenerrima (Kützing) Kützing, 1843
» Species Ulothrix tenuissima Kützing, 1833
» Species Ulothrix terrestris Faridi
» Species Ulothrix thermalis P.L.Crouan & H.M.Crouan
» Species Ulothrix thermara Wartmann
» Species Ulothrix tibetica C.C.Jao, 1964
» Species Ulothrix trentonense Lee
» Species Ulothrix valida
» Species Ulothrix varia (Kützing) Kützing
» Species Ulothrix varians Kützing
» Species Ulothrix velutina (Kützing) Kützing
» Species Ulothrix vichyensis Haime & Ch.Petit
» Species Ulothrix vichyensis Haime & Petit
» Species Ulothrix xainzaensis Y.-X.Wei, 1984
» Species Ulothrix zelleri V.Martens
» Species Ulothrix zonata (F.Weber & Mohr) Kützing, 1843
» Variety Ulothrix zonata var. inaequalis (Kützing) Rabenhorst, 1868
» Variety Ulothrix zonata var. pectinalis (Kützing) Rabenhorst
» Variety Ulothrix zonata var. rigidula (Kützing) Hansgirg, 1886
» Variety Ulothrix zonata var. valida (Nägeli) Rabenhorst
» Variety Ulothrix zonata var. speciosa (Carmichael) Stockmayer accepted as Ulothrix speciosa (Carmichael) Kützing, 1849 (synonym)
» Species Ulothrix acrorhiza Kornmann, 1964 accepted as Ulothrix implexa (Kützing) Kützing, 1849 (synonym)» Variety Ulothrix zonata var. pectinalis (Kützing) Rabenhorst
» Variety Ulothrix zonata var. rigidula (Kützing) Hansgirg, 1886
» Variety Ulothrix zonata var. valida (Nägeli) Rabenhorst
» Variety Ulothrix zonata var. speciosa (Carmichael) Stockmayer accepted as Ulothrix speciosa (Carmichael) Kützing, 1849 (synonym)
» Species Ulothrix acuminata K.R.Mattox & H.C.Bold, 1962 accepted as Uronema acuminatum (K.R.Mattox & H.C.Bold) G.M.Lokhorst, 1985 (synonym)
» Species Ulothrix belkae K.R.Mattox & H.C.Bold, 1962 accepted as (synonym)
» Species Ulothrix braunii Kützing, 1849 accepted as Ulothrix moniliformis var. braunii (Kützing) Rabenhorst, 1868
» Variety Ulothrix braunii var. parasitica Kützing accepted as Ulothrix moniliformis var. braunii (Kützing) Rabenhorst, 1868
» Species Ulothrix cateniformis (Kützing) Kützing, 1849 accepted as Ulothrix aequalis Kützing, 1845 (synonym)» Species Ulothrix consociata Wille, 1901 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Forma Ulothrix consociata f. geniculata H.Jónsson
» Variety Ulothrix consociata var. islandica Jónsson, 1903 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix crenulata (Kützing) Kützing, 1849 accepted as Hormidiopsis crenulata (Kützing) Heering, 1914 (synonym)» Variety Ulothrix consociata var. islandica Jónsson, 1903 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix crispa (Berkeley) Kützing, 1849 accepted as Ulothrix zonata (F.Weber & Mohr) Kützing, 1843 (synonym)
» Species Ulothrix flaccida Kützing, 1849 accepted as Klebsormidium flaccidum (Kützing) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972 (synonym)
» Variety Ulothrix flaccida var. nitens (Kützing) Hansgirg, 1885
» Variety Ulothrix flaccida var. fragilis (Kützing) Hansgirg, 1888 accepted as Klebsormidium fragile (Kützing) H.-P.Wagner & J.S.Zaneveld, 1988 (synonym)
» Species Ulothrix fragilis Kützing, 1849 accepted as Klebsormidium fragile (Kützing) H.-P.Wagner & J.S.Zaneveld, 1988 (synonym)» Variety Ulothrix flaccida var. fragilis (Kützing) Hansgirg, 1888 accepted as Klebsormidium fragile (Kützing) H.-P.Wagner & J.S.Zaneveld, 1988 (synonym)
» Species Ulothrix inaequalis Kützing, 1845 accepted as Ulothrix zonata var. inaequalis (Kützing) Rabenhorst, 1868 (synonym)
» Species Ulothrix irregularis Wille, 1880 accepted as Parallela transversal (Brébisson) Novis, M.Lorenz, Broady & E.A. Flint, 2010 (synonym)
» Species Ulothrix islandica (H.Jónsson) Printz, 1926 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix laeta Thuret, 1892 accepted as Urospora laeta (Thuret ex Bornet) Børgesen, 1925 (synonym)
» Species Ulothrix minuta K.R.Mattox & H.C.Bold, 1962 accepted as (synonym)
» Species Ulothrix nitens Meneghini, 1849 accepted as Klebsormidium nitens (Meneghini) Lokhorst, 1996 (synonym)
» Species Ulothrix parietina Kützing, 1849 accepted as Prasiola calophylla (Carmichael ex Greville) Kützing, 1845 (synonym)
» Species Ulothrix pelagica Nygaard accepted as Stichococcus pelagicus (Nygaard) Hindák, 1996 (synonym)
» Forma Ulothrix pelagica f. spiralis
» Species Ulothrix pseudoflacca Wille, 1901 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 » Forma Ulothrix pseudoflacca f. maxima Setchell & N.L.Gardner, 1919
» Variety Ulothrix pseudoflacca var. salina V.J.Chapman, 1946
» Species Ulothrix radicans Kützing, 1849 accepted as Rosenvingiella radicans (Kützing) Rindi, L.McIvor & Guiry, 2004 (synonym)» Variety Ulothrix pseudoflacca var. salina V.J.Chapman, 1946
» Species Ulothrix rigidula Kützing, 1845 accepted as Ulothrix zonata var. rigidula (Kützing) Hansgirg, 1886
» Species Ulothrix rivularis (Kützing) Kützing, 1849 accepted as Klebsormidium rivulare (Kützing) M.O.Morison & Sheath, 1985 (synonym)
» Species Ulothrix scutata H.Jónsson, 1904 accepted as Ulothrix flacca (Dillwyn) Thuret, 1863 (synonym)
» Species Ulothrix spiroides G.S.West accepted as Stichococcus contortus (Lemmermann) Hindák, 1996 (synonym)
» Species Ulothrix subconstricta G.S.West, 1915 accepted as Gloeotila subconstricta (G.S.West) Printz, 1964 (synonym)
» Species Ulothrix subtilis Kützing, 1845 accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Forma Ulothrix subtilis f. tumida Kützing
» Variety Ulothrix subtilis var. albicans (Kützing) Hansgirg
» Variety Ulothrix subtilis var. tenerrima (Kützing) Kirchner accepted as Ulothrix tenerrima (Kützing) Kützing, 1843 (synonym)
» Variety Ulothrix subtilis var. variabilis Kirchner accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Species Ulothrix subtilissima Rabenhorst, 1857 accepted as Klebsormidium subtilissimum (Rabenhorst) P.C.Silva, K.R.Mattox & W.H.Blackwell, 1972 (synonym)» Variety Ulothrix subtilis var. albicans (Kützing) Hansgirg
» Variety Ulothrix subtilis var. tenerrima (Kützing) Kirchner accepted as Ulothrix tenerrima (Kützing) Kützing, 1843 (synonym)
» Variety Ulothrix subtilis var. variabilis Kirchner accepted as Klebsormidium subtile (Kützing) Tracanna ex G.Tell, 1976 (synonym)
» Species Ulothrix tenuis Kützing, 1843 accepted as Ulothrix tenuissima Kützing, 1833 (synonym)
» Species Ulothrix variabilis Kützing, 1849 accepted as Ulothrix tenerrima (Kützing) Kützing, 1843 (synonym)
» Forma Ulothrix variabilis f. marina Wille, 1885 accepted as Stichococcus marinus (Wille) Hazen, 1902 (synonym)
» Species Ulothrix verrucosa Lokhorst, 1974 accepted as Klebsormidium mucosum (J.B.Petersen) Lokhorst, 1985 (synonym) » Species Ulotrichopsis cylindrica L.Wichmann, 1937
» Species Ulotrichopsis viridis Iyengar & Kanthamma, 1940 accepted as Heterothrichopsis viridis (Iyengar & Kanthamma) Iyengar & Kanthamma, 1941 (synonym)
Genus Urospora Areschoug, 1866» Species Ulotrichopsis viridis Iyengar & Kanthamma, 1940 accepted as Heterothrichopsis viridis (Iyengar & Kanthamma) Iyengar & Kanthamma, 1941 (synonym)
» Species Urospora acrogona Kjellman, 1898
» Species Urospora bangioides (Harvey) Holmes & Batters, 1891
» Species Urospora claviculata F.R.Kjellman
» Species Urospora crassa J.L.A.K.Rosenvinge
» Species Urospora curvata (Printz) Kornmann
» Species Urospora doliifera (Setchell & N.L.Gardner) Doty, 1947
» Species Urospora elongata (Rosenvinge) Hagem, 1908
» Species Urospora flacca (Dillwyn) Holmes & Batters
» Species Urospora grandis Kylin, 1907
» Species Urospora gregaria (A.K.H.Braun) G.L.Floyd & C.J.O'Kelly
» Species Urospora hartzii Rosenvinge
» Species Urospora incrassata F.R.Kjellman
» Species Urospora laeta (Thuret ex Bornet) Børgesen, 1925
» Species Urospora media Levring, 1938
» Species Urospora neglecta (Kornmann) Lokhorst & Trask, 1981
» Species Urospora penicillatum
» Species Urospora penicilliformis (Roth) Areschoug, 1866
» Species Urospora spiralis L.Luan & R.Ding, 2013
» Species Urospora tetraciliata (Frye & Zeller) Scagel, 1957
» Species Urospora vancouveriana (Tilden) R.F.Scagel
» Species Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893
» Species Urospora collabens (C.Agardh) Holmes & Batters, 1890 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
» Species Urospora gracilis Berger-Perrot accepted as Chlorothrix gracilis (Berger-Perrot) Berger-Perrot & Thomas, 1982 (synonym)
» Species Urospora intermedia Berger-Perrot, 1980 accepted as Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986 (synonym)
» Species Urospora isogona (Smith) Batters accepted as Urospora penicilliformis (Roth) Areschoug, 1866 (synonym)
» Species Urospora kornmannii Berger-Perrot, 1980 accepted as Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982 (synonym)
» Species Urospora microscopica Levring, 1937 accepted as Chaetomorpha norvegica Leliaert & Rueness, 2009 (synonym)
» Species Urospora mirabilis Areschoug, 1866 accepted as Urospora penicilliformis (Roth) Areschoug, 1866 (synonym)
» Species Urospora sphaerulifera (Setchell & N.L.Gardner) Scagel, 1957 (synonym)
» Species Urospora vancouveriana (Tilden) Setchell & N.L.Gardner, 1919 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
» Species Urospora bangioides (Harvey) Holmes & Batters, 1891
» Species Urospora claviculata F.R.Kjellman
» Species Urospora crassa J.L.A.K.Rosenvinge
» Species Urospora curvata (Printz) Kornmann
» Species Urospora doliifera (Setchell & N.L.Gardner) Doty, 1947
» Species Urospora elongata (Rosenvinge) Hagem, 1908
» Species Urospora flacca (Dillwyn) Holmes & Batters
» Species Urospora grandis Kylin, 1907
» Species Urospora gregaria (A.K.H.Braun) G.L.Floyd & C.J.O'Kelly
» Species Urospora hartzii Rosenvinge
» Species Urospora incrassata F.R.Kjellman
» Species Urospora laeta (Thuret ex Bornet) Børgesen, 1925
» Species Urospora media Levring, 1938
» Species Urospora neglecta (Kornmann) Lokhorst & Trask, 1981
» Species Urospora penicillatum
» Species Urospora penicilliformis (Roth) Areschoug, 1866
» Species Urospora spiralis L.Luan & R.Ding, 2013
» Species Urospora tetraciliata (Frye & Zeller) Scagel, 1957
» Species Urospora vancouveriana (Tilden) R.F.Scagel
» Species Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893
» Variety Urospora wormskioldii var. biflagellata Kornmann
» Variety Urospora wormskioldii var. caudata Kornmann
» Forma Urospora wormskioldii f. vancouveriana Tilden, 1900 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
» Species Urospora wormskjoldii» Variety Urospora wormskioldii var. caudata Kornmann
» Forma Urospora wormskioldii f. vancouveriana Tilden, 1900 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
» Species Urospora collabens (C.Agardh) Holmes & Batters, 1890 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
» Species Urospora gracilis Berger-Perrot accepted as Chlorothrix gracilis (Berger-Perrot) Berger-Perrot & Thomas, 1982 (synonym)
» Species Urospora intermedia Berger-Perrot, 1980 accepted as Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986 (synonym)
» Species Urospora isogona (Smith) Batters accepted as Urospora penicilliformis (Roth) Areschoug, 1866 (synonym)
» Species Urospora kornmannii Berger-Perrot, 1980 accepted as Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982 (synonym)
» Species Urospora microscopica Levring, 1937 accepted as Chaetomorpha norvegica Leliaert & Rueness, 2009 (synonym)
» Species Urospora mirabilis Areschoug, 1866 accepted as Urospora penicilliformis (Roth) Areschoug, 1866 (synonym)
» Variety Urospora mirabilis var. elongata Rosenvinge, 1893 accepted as Urospora elongata (Rosenvinge) Hagem, 1908
» Species Urospora speciosa (Carmichael) Leblond ex G.Hamel, 1931 accepted as Ulothrix speciosa (Carmichael) Kützing, 1849 (synonym)» Species Urospora sphaerulifera (Setchell & N.L.Gardner) Scagel, 1957 (synonym)
» Species Urospora vancouveriana (Tilden) Setchell & N.L.Gardner, 1919 accepted as Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge, 1893 (synonym)
Genus Anadema J.Agardh, 1846 accepted as Acrosiphonia J.Agardh, 1846
» Species Anadema orientalis J.Agardh, 1846 accepted as Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996 (synonym)
Genus Chlorospira Korshikov, 1939 accepted as Stichococcus Nägeli, 1849 (synonym)Genus Ulothrichopsis Iyengar & Kanthamma, 1940 accepted as Heterothrichopsis Iyengar & Kanthamma, 1941
Genus Ulotrichella Y.Berger-Perrot, 1981 accepted as Chlorothrix Y.Berger-Perrot, 1982
» Species Ulotrichella gracilis (Berger-Perrot) Berger-Perrot, 1981 accepted as Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982 (synonym)
» Species Ulotrichella intermedia (Berger-Perrot) Berger-Perrot, 1981 accepted as Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986 (synonym)
» Species Ulotrichella kornmannii (Berger-Perrot) Berger-Perrot, 1981 accepted as Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982 (synonym)
» Species Ulotrichella intermedia (Berger-Perrot) Berger-Perrot, 1981 accepted as Chlorothrix intermedia (Berger-Perrot) G.R.South & Tittley, 1986 (synonym)
» Species Ulotrichella kornmannii (Berger-Perrot) Berger-Perrot, 1981 accepted as Chlorothrix kornmannii (Berger-Perrot) Berger-Perrot & J.C.Thomas, 1982 (synonym)
marine
Guiry, M.D. & Guiry, G.M. (2018). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Ulotrichaceae Kützing, 1843. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=143790 on 2018-04-20
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basis of record
Guiry, M.D. (2001). Macroalgae of Rhodophycota, Phaeophycota, Chlorophycota, and two genera of Xanthophycota, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 20-38 (look up in IMIS) [details]
basis of record (ofAcrosiphoniaceae S. Jónsson, 1959) Guiry, M.D. & Guiry, G.M. (2018). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. , available online at http://www.algaebase.org [details]
additional source (ofAcrosiphoniaceae S. Jónsson, 1959) Guiry, M.D. (2001). Macroalgae of Rhodophycota, Phaeophycota, Chlorophycota, and two genera of Xanthophycota, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 20-38 (look up in IMIS) [details]
source of synonymy (ofAcrosiphoniaceae S. Jónsson, 1959) Margulis, L., McKhann, H. I., & Olendzenski, L. (Eds.). (1993). Illustrated glossary of protoctista: vocabulary of the algae, apicomplexa, ciliates, foraminifera, microspora, water molds, slime molds, and the other protoctists. Jones & Bartlett Learning., available online at https://books.google.com/books?id=y55Efu3baksC [details]
basis of record (ofAcrosiphoniaceae S. Jónsson, 1959) Guiry, M.D. & Guiry, G.M. (2018). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. , available online at http://www.algaebase.org [details]
additional source (ofAcrosiphoniaceae S. Jónsson, 1959) Guiry, M.D. (2001). Macroalgae of Rhodophycota, Phaeophycota, Chlorophycota, and two genera of Xanthophycota, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 20-38 (look up in IMIS) [details]
source of synonymy (ofAcrosiphoniaceae S. Jónsson, 1959) Margulis, L., McKhann, H. I., & Olendzenski, L. (Eds.). (1993). Illustrated glossary of protoctista: vocabulary of the algae, apicomplexa, ciliates, foraminifera, microspora, water molds, slime molds, and the other protoctists. Jones & Bartlett Learning., available online at https://books.google.com/books?id=y55Efu3baksC [details]
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| Japanese | ヒビミドロ | [details] |