Sc
, Schistochilium J.Ralfs
Se
, Septorella L.Grambast, 1963
Si
, Sirocladium Randhawa, 1941 , Sirogonium Kützing, 1843
Sp
, Sphaerochara K.Mädler, 1952 , Sphaerozosma Corda ex Ralfs, 1848 , Spinoclosterium C.Bernard, 1909 , Spinocosmarium G.W.Prescott & A.M.Scott, 1942
Spirogyra Link, 1820
- Spirogyra abbreviata Zheng, 1981
- Spirogyra acanthophora (Skuja) Czurda, 1932
- Spirogyra acumbentis Vodenicarov, 1970
- Spirogyra adjerensis Gauthier-Lièvre, 1965
- Spirogyra adnata (Vaucher) Kützing, 1843
- Spirogyra adornata Ling, 1979
- Spirogyra aequinoctialis G.S.West, 1907
- Spirogyra affinis (Hassall) Petit, 1880
- Spirogyra africana (F.E.Fritsch) Czurda, 1932
- Spirogyra ahmedabadensis Kamat, 1962
- Spirogyra alpinum Kützing, 1845
- Spirogyra alternata Kützing
- Spirogyra amplectens Skuja, 1937
- Spirogyra ampliata L.Liu, 1980
- Spirogyra anadpurensis Ropar, 1989
- Spirogyra anchora Skuja, 1949
- Spirogyra angolensis Welwitsch, 1897
- Spirogyra angulata Nipkow, 1961
- Spirogyra anomala Bhashyakarla Rao, 1937
- Spirogyra anzygoapora Singh, 1938
- Spirogyra aphanosculpta Skuja, 1937
- Spirogyra aplanospora Randhawa, 1938
- Spirogyra arcta (C.Agardh) Endlichter, 1843
- Spirogyra arcuata Liu, 1980
- Spirogyra areolata Lagerheim, 1883
- Spirogyra arizonensis Rickert & Hoshaw, 1970
- Spirogyra arthuri Woodhead & Tweed, 1955
- Spirogyra articulata Transeau, 1934
- Spirogyra asiatica Czurda, 1932
- Spirogyra atasiana Czurda, 1939
- Spirogyra atrobrunnea Gauthier-Lièvre, 1965
- Spirogyra aubvillei Gauthier-Lièvre, 1965
- Spirogyra australica Czurda, 1932
- Spirogyra australiensis K.Möbius, 1895
- Spirogyra austriaca Czurda, 1932
- Spirogyra azygospora Singh, 1938
- Spirogyra baileyi Schmidle, 1896
- Spirogyra baradwjae Ludhiana
- Spirogyra batekiana Gauthier-Lièvre, 1965
- Spirogyra bellis (Hassall) P.L.Crouan & H.M.Crouan, 1867
- Spirogyra bicalyptrata Czurda, 1930
- Spirogyra bichromatophora (Randhawa) Transeau, 1944
- Spirogyra biformis C.-C.Jao, 1935
- Spirogyra biharensis A.M.Verma & B.Kumari
- Spirogyra bii Kadlubowska, 1983
- Spirogyra bireticulata Liu, 1980
- Spirogyra borealis Zheng & Ling, 1979
- Spirogyra borgeana Transeau, 1916
- Spirogyra borgei Kadlubowska, 1983
- Spirogyra borkuense Gauthier-Lièvre, 1965
- Spirogyra borysthenica Kasanowsky & Smirnoff [Smirnov], 1913
- Spirogyra bourrellyana Gauthier-Lièvre, 1965
- Spirogyra braziliensis (Nordstedt) Transeau, 1916
- Spirogyra britannica Godward, 1956
- Spirogyra brunnea Czurda, 1932
- Spirogyra buchetii Petit, 1913
- Spirogyra bullata C.-C.Jao, 1935
- Spirogyra calcarea Transeau, 1934
- Spirogyra calchaquiesiae B.Tracanna
- Spirogyra californica Stancheva, J.D.Hall, McCourt & Sheath, 2013
- Spirogyra calospora Cleve
- Spirogyra canaliculata Segar, 1967
- Spirogyra cardinia S.H.Lewis, 2000
- Spirogyra caroliniana G.E.Dillard, 1969
- Spirogyra castanacea G.C.Couch, 1944
- Spirogyra cataeniformis (Hassall) Kützing, 1849
- Spirogyra catenaeformis (Hassall) Kützing, 1849
- Spirogyra cavata Vodenicarov, 1970
- Spirogyra chakiaensis (Bhashyakarla Rao) Kreiger, 1944
- Spirogyra chandigarhensis
- Spirogyra chekiangensis C.-C.Jao, 1939
- Spirogyra chenii C.-C.Jao, 1935
- Spirogyra chungkingensis Jao, 1935
- Spirogyra chuniae C.-C.Jao, 1935
- Spirogyra circumlineata Transeau, 1914
- Spirogyra clavata Segar, 1967
- Spirogyra cleveana Transeau, 1934
- Spirogyra colligata Hodgetts, 1920
- Spirogyra columbiana Czurda, 1932
- Spirogyra communis (Hassall) Kützing, 1849
- Spirogyra condensata (Vaucher) Dumortier, 1822
- Spirogyra congolensis Gauthier-Lièvre
- Spirogyra conspicua Gay, 1884
- Spirogyra convoluta
- Spirogyra corrugata Woodhead & Tweed, 1955
- Spirogyra costata Kadlubowska, 1979
- Spirogyra costulata Kadlubowska, 1979
- Spirogyra coumbiana Czurda
- Spirogyra crassa (Kützing) Kützing, 1843
- †Spirogyra crassispina C.-C.Jao, 1939
- Spirogyra crassiuscula (Wittrock & Nordstedt) Transeau, 1934
- Spirogyra crassivallicularis C.-C.Jao, 1935
- Spirogyra crassoidea (Transeau) Transeau, 1937
- Spirogyra crenulata Singh, 1938
- Spirogyra croasdaleae Blum, 1943
- Spirogyra cupientis D.G.Vodenicharov & I.K.Kiryakov
- Spirogyra cyanosporum
- Spirogyra cylindrica Czurda, 1932
- Spirogyra cylindrosperma (West & G.S.West) Krieger, 1944
- Spirogyra cylindrospora West & G.S.West, 1897
- Spirogyra czubinskii Kadlubowska, 1972
- Spirogyra czurdae Misra, 1937
- Spirogyra czurdiana Kadlubowska, 1979
- Spirogyra dacimina (O.F.Müller) Kützing, 1843
- Spirogyra daedalea Lagerheim, 1888
- Spirogyra daedaleoides Czurda, 1932
- Spirogyra danica Kadlubowska, 1979
- Spirogyra decima
- Spirogyra decimina (O.F.Müller) Dumortier, 1822
- Spirogyra densa Kützing, 1855
- Spirogyra denticulata Transeau, 1934
- Spirogyra dentireticulata C.-C.Jao, 1935
- Spirogyra desikacharyensis Rattan, 1970
- Spirogyra dialyderma Ling & Zheng, 1979
- Spirogyra dicephala C.-C.Jao & H.Z.Zhu, 1982
- Spirogyra dictyospora C.-C.Jao, 1935
- Spirogyra diluta H.C.Wood, 1869
- Spirogyra dimorpha Geitler, 1949
- Spirogyra discoidea Transeau, 1934
- Spirogyra distenta Transeau, 1934
- Spirogyra diversizygotica (V.I.Polyanskij) L.A.Rundina, 1991
- Spirogyra djalonensis Gauthier-Lièvre, 1965
- Spirogyra djiliense Gauthier-Lièvre, 1965
- Spirogyra dodgeana
- Spirogyra drilonensis Petkoff, 1910
- Spirogyra dubia Kützing, 1849
- Spirogyra echinata Tiffany, 1924
- Spirogyra echinospora Blum, 1943
- Spirogyra eillipsospora Transeau
- Spirogyra elegans Wollny, 1877
- Spirogyra elegantissima Y.J.Ling & Y.M.Zheng, 1979
- Spirogyra ellipsospora Transeau, 1914
- Spirogyra elliptica C.-C.Jao, 1935
- Spirogyra elongata (H.C.Wood) H.C.Wood, 1873
- Spirogyra emilianensis Bonhomme, 1858
- Spirogyra endogranulata O.Bock & W.Bock, 1956
- Spirogyra exilis West & G.S.West, 1908
- Spirogyra fallax (Hansgirg) Wille, 1900
- Spirogyra fassula Zheng, 1981
- Spirogyra favosa Y.-X.Wei & Y.-K.Yung
- Spirogyra fennica Cedercreutz, 1924
- Spirogyra ferruginea H.W.Liang, 1979
- Spirogyra flavescens (Hassall) Kützing, 1849
- Spirogyra flavicans Kützing
- Spirogyra fluviatilis Hilse, 1863
- Spirogyra formosa (Transeau) Czurda, 1932
- Spirogyra fossa C.-C.Jao, 1935
- Spirogyra fossulata C.-C.Jao & Hu, 1979
- Spirogyra foveolata (Transeau) Czurda, 1932
- Spirogyra franconica O.Bock & W.Bock, 1956
- Spirogyra frankliniana Tiffany, 1934
- Spirogyra frigida F.Gay, 1884
- Spirogyra fritschiana Czurda, 1932
- Spirogyra fukienica Wei, 1979
- Spirogyra fuzhouensis H.-J.Hu, 1979
- Spirogyra gallica Petit, 1880
- Spirogyra gaterslebensis Reith, 1973
- Spirogyra gauthieri Gayral, 1951
- Spirogyra gauthier-lievrae Kadlubowska, 1984
- Spirogyra gharbensis Gauthier-Lièvre, 1965
- Spirogyra ghosei Singh, 1938
- Spirogyra gibberosa C.-C.Jao, 1935
- Spirogyra glabra Czurda, 1932
- Spirogyra globulispora Gauthier-Lièvre, 1965
- Spirogyra gobonensis Gauthier-Lièvre, 1965
- Spirogyra goetzei Schmidle, 1901
- Spirogyra gracilis Kützing, 1849
- Spirogyra granulata C.-C.Jao, 1935
- Spirogyra gratiana Transeau, 1938
- Spirogyra groenlandica Rosenvinge, 1884
- Spirogyra guangchowensis Zhu & Zhong, 1981
- Spirogyra guineense Gauthier-Lièvre, 1965
- Spirogyra gujaratensis Kamat, 1962
- Spirogyra gurdaspurensis Rattan, 1971
- Spirogyra haimenensis C.-C.Jao, 1939
- Spirogyra hartigii (Kützing) De Toni, 1889
- Spirogyra hassalii (Jenner) Petit
- Spirogyra hassallii (Jenner ex Hassall) P.L.Crouan & H.M.Crouan, 1867
- Spirogyra hatillensis Transeau, 1936
- Spirogyra heeriana Nägeli ex Kützing, 1849
- Spirogyra henanensis (L.J.Bi) L.J.Bi, 1982
- Spirogyra herbipolensis O.Bock & W.Bock, 1952
- Spirogyra heterospora Liu, 1988
- Spirogyra hoehnei O.Borge, 1925
- Spirogyra hoggarica (Gauthier-Lièvre) Gauthier-Lièvre, 1965
- Spirogyra hollandiae Taft, 1947
- Spirogyra hopeiensis C.-C.Jao, 1935
- Spirogyra hunamensis C.-C.Jao, 1940
- Spirogyra hungarica Langer, 1930
- Spirogyra hyalina Cleve, 1868
- Spirogyra hymera Britton & B.H.Smith, 1942
- Spirogyra inconstans Collins, 1912
- Spirogyra incrassata Czurda, 1930
- Spirogyra indica Krieger, 1944
- Spirogyra inflata (Vaucher) Dumortier, 1822
- Spirogyra insignis (Hassall) Kützing, 1849
- Spirogyra insueta Zhu & Zhong, 1981
- Spirogyra intermedia Rabenhorst, 1863
- Spirogyra intorta C.-C.Jao, 1935
- Spirogyra ionia Wade, 1949
- Spirogyra irregularis Nägeli ex Kützing, 1849
- Spirogyra ivorensis Gauthier-Lièvre, 1965
- Spirogyra iyengarii Kadlubowska
- Spirogyra jaoense Randhawa, 1938
- Spirogyra jaoi S.H.Ley, 1944
- Spirogyra jassiensis (Teodoresco) Czurda, 1932
- Spirogyra jatobae Transeau, 1938
- Spirogyra jogensis Iyengar, 1958
- Spirogyra jugalis (Dillwyn) Kützing, 1845
- Spirogyra juliana Stancheva, J.D.Hall, McCourt & Sheath, 2013
- Spirogyra kaffirita Transeau, 1934
- Spirogyra kamatii Kamat, 1972
- Spirogyra karnalae Randhawa, 1958
- Spirogyra kiratpurensis
- Spirogyra kolae Hajdu, 1975
- Spirogyra koreana J.-H.Kim, Y.H.Kim & I.K.Lee
- Spirogyra krubergii V.J.Poljanski, 1951
- Spirogyra kundaensis Singh, 1938
- Spirogyra kuusamoensis Hirn, 1895
- Spirogyra labbei Gauthier-Lièvre, 1965
- Spirogyra labyrinthica Transeau, 1934
- Spirogyra lacustris Czurda, 1932
- Spirogyra lagerheimii Wittrock, 1889
- Spirogyra laka Kützing
- Spirogyra lallandiae Taft
- Spirogyra lambertiana Transeau, 1934
- Spirogyra lamellata (Bhashyakarla Rao) Krieger, 1944
- Spirogyra lamellosa C.-C.Jao, 1935
- Spirogyra lapponica Lagerheim
- Spirogyra latireticulata Zheng & Ling, 1979
- Spirogyra latviensis Czurda, 1932
- Spirogyra laxa Kützing, 1849
- Spirogyra laxistrata C.-C.Jao, 1935
- Spirogyra lenticularis Transeau, 1938
- Spirogyra lentiformis L.J.Bi, 1979
- Spirogyra lians Transeau, 1934
- Spirogyra libyca Gauthier-Lièvre, 1965
- Spirogyra lineata
- Spirogyra lismorensis Playfair, 1917
- Spirogyra lodziensis Kadlubowska, 1972
- Spirogyra lohandensis
- Spirogyra longifissa Wei, 1979
- Spirogyra lubrica Kützing
- Spirogyra lucknowensis (Prasad & Dutta) Kadlubowska
- Spirogyra ludhianensis
- Spirogyra lushanensis L.C.Li, 1938
- Spirogyra luteospora Czurda, 1932
- Spirogyra lutetiana Petit, 1879
- Spirogyra lymerae Britton & Smith
- Spirogyra macrospora (C.B.Rao) Krieger, 1944
- Spirogyra maghrebiana Gauthier-Lièvre, 1965
- Spirogyra major Kützing, 1855
- Spirogyra majuscula Kützing, 1849
- Spirogyra malmeana Hirn, 1896
- Spirogyra manormae Randhawa, 1938
- Spirogyra mantonii
- Spirogyra maravillosa Transeau, 1938
- Spirogyra marchica H.Krieger, 1941
- Spirogyra margalefii Aboal & Llimona, 1984
- Spirogyra margaritata Wollny, 1877
- Spirogyra marocana Gauthier-Lièvre, 1965
- Spirogyra maxima (Hassall) Wittrock, 1882
- Spirogyra megaspora Transeau, 1934
- Spirogyra meinningensis
- Spirogyra meridionalis W.J.Zhu & Zhong, 1982
- Spirogyra miamiana Taft, 1944
- Spirogyra microdictyon C.-C.Jao & Hu, 1978
- Spirogyra microgranulata C.-C.Jao, 1935
- Spirogyra micropunctata Transeau, 1916
- Spirogyra microspora C.-C.Jao, 1935
- Spirogyra mienningensis L.-C.Li, 1940
- Spirogyra minor (Schmidle) Transeau, 1944
- Spirogyra minuticrassoidea Yamagishi, 1963
- Spirogyra minutifossa C.-C.Jao, 1935
- Spirogyra mirabilis (Hassall) Kützing, 1849
- Spirogyra miranda Kadlubowska, 1979
- Spirogyra mirifica Zheng & Ling, 1979
- Spirogyra mithalaensis A.M.Verma & B.Kumari
- Spirogyra moebii Transeau, 1934
- Spirogyra moheshwarii
- Spirogyra monodiana Gauthier-Lièvre, 1941
- Spirogyra montserrati Margalef, 1952
- Spirogyra multiconjugata N.C.Ferrer & E.J.Cáceres, 2008
- Spirogyra multiformis Kadlubowska, 1983
- Spirogyra multistrata Zheng & Ling, 1979
- Spirogyra multitrata Zheng & Ling, 1979
- Spirogyra mutabilis C.-C.Jao & H.J.Hu, 1982
- Spirogyra narcissiana Transeau, 1914
- Spirogyra natchita Transeau, 1934
- Spirogyra nawaschinii Kasanowsky, 1913
- Spirogyra neglecta (Hassall) Kützing, 1849
- Spirogyra neorhizobranchialis C.-C.Jao & Zheng, 1982
- Spirogyra nitida (O.F.Müller) Leiblein, 1827
- Spirogyra nodifera O.Bock & W.Bock, 1956
- Spirogyra notabilis Taft, 1944
- Spirogyra nova-angliae Transeau, 1915
- Spirogyra novae-angliae Transeau, 1916
- Spirogyra nyctigama Taft, 1938
- Spirogyra oblata C.-C.Jao, 1936
- Spirogyra oblonga Liu, 1980
- Spirogyra obovata C.-C.Jao, 1935
- Spirogyra occidentalis (Transeau) Czurda, 1932
- Spirogyra oligocarpa C.-C.Jao, 1941
- Spirogyra olivascens Rabenhorst, 1863
- Spirogyra ollicola C.-C.Jao & Zhong, 1982
- Spirogyra oltmannsii Huber-Pestalozzi, 1930
- Spirogyra orientalis West & G.S.West, 1907
- Spirogyra orthospira Nägeli, 1849
- Spirogyra ouarsenica Gauthier-Lièvre, 1965
- Spirogyra oudhensis Randhawa, 1938
- Spirogyra ovigera Montagne, 1850
- Spirogyra pachyderma Gauthier-Lièvre, 1965
- Spirogyra palghatensis Erady, 1962
- Spirogyra paludosa Czurda, 1932
- Spirogyra papulata C.-C.Jao, 1935
- Spirogyra paradoxa Bhashyakarla Rao, 1937
- Spirogyra paraguayensis O.Borge, 1903
- Spirogyra parva (Hassall) Kützing, 1849
- Spirogyra parvispora H.C.Wood, 1869
- Spirogyra parvula (Transeau) Czurda, 1932
- Spirogyra pascheriana Czurda, 1932
- Spirogyra patliputri A.M.Verma & B.Kumari
- Spirogyra peipeingensis C.-C.Jao, 1939
- Spirogyra peipingensis
- Spirogyra pellucida (Hassall) Kützing, 1849
- Spirogyra perforans Transeau, 1934
- Spirogyra plena (West & G.S.West) Czurda, 1932
- Spirogyra poljanskii Kadlubowska, 1975
- Spirogyra polymorpha Kirchner, 1878
- Spirogyra polytaeniata Strasburger, 1888
- Spirogyra porangabae Transeau, 1938
- Spirogyra porticalis (O.F.Müller) Dumortier, 1822
- Spirogyra pratensis Transeau, 1914
- Spirogyra princeps (Vaucher) Link ex Meyen, 1827
- Spirogyra proavita Langer, 1913
- Spirogyra prolifica Kamat, 1962
- Spirogyra propria Transeau, 1915
- Spirogyra protecta H.C.Wood, 1869
- Spirogyra pseudoaedaloides Kadlubowska, 1979
- Spirogyra pseudobellis W.J.Zhu & Zhong, 1981
- Spirogyra pseudocorrugata Gauthier-Lièvre, 1965
- Spirogyra pseudocylindrica Prescott, 1949
- Spirogyra pseudogibberosa Gauthier-Lièvre, 1965
- Spirogyra pseudogranulata S.-H.Ley, 1944
- Spirogyra pseudojuergensii H.Silva, 1949
- Spirogyra pseudomaiuscula Gauthier-Lièvre, 1965
- Spirogyra pseudomajuscula Gauthier-Lièvre, 1965
- Spirogyra pseudomaxima Kadlubowska, 1979
- Spirogyra pseudoneglecta Czurda, 1932
- Spirogyra pseudonodifera O.Bock & W.Bock, 1956
- Spirogyra pseudoplena Liu, 1980
- Spirogyra pseudopulchrata C.-C.Jao, 1935
- Spirogyra pseudoreticulata Kreiger, 1944
- Spirogyra pseudorhizopus L.J.Bi, 1979
- Spirogyra pseudosahnii Kadlubowska, 1979
- Spirogyra pseudospreciana C.-C.Jao, 1935
- Spirogyra pseudosubreticulata Rickert & Hoshaw, 1970
- Spirogyra pseudotenuissima O.Bock & W.Bock, 1956
- Spirogyra pseudotetrapla Kadlubowska, 1981
- Spirogyra pseudotexensis Bourrelly, 1957
- Spirogyra pseudovarians Czurda, 1930
- Spirogyra pseudovenusta Liu & Wei, 1980
- Spirogyra pseudowoodii V.J.Poljanski, 1959
- Spirogyra pulchella (H.C.Wood) H.C.Wood
- Spirogyra pulchra Alexenko, 1891
- Spirogyra pulchrifigurata C.-C.Jao, 1935
- Spirogyra puncticulata C.-C.Jao, 1934
- Spirogyra punctulata C.-C.Jao, 1936
- Spirogyra quadrata (Hassall) P.Petit, 1874
- Spirogyra quadrilaminata C.-C.Jao, 1935
- Spirogyra quezelii Gauthier-Lièvre, 1958
- Spirogyra quilonensis Kothari, 1971
- Spirogyra quinina Kützing
- Spirogyra quinquilaminata C.-C.Jao, 1935
- Spirogyra randhawae Krieger, 1944
- Spirogyra rattanii Kadlubowska, 1983
- Spirogyra rectangularis Transeau, 1914
- Spirogyra rectispira Merriman, 1922
- Spirogyra regularis (Cedercreutz) Krieger, 1941
- Spirogyra reinhardii V.Chmielevsky [Chmielewski, Khmelevesky], 1890
- Spirogyra reticulata Nordstedt, 1880
- Spirogyra reticulatum Randhawa
- Spirogyra reticuliana Randhawa, 1938
- Spirogyra rhizobrachialis C.-C.Jao, 1935
- Spirogyra rhizobranchialis C.-C.Jao, 1935
- Spirogyra rhizoides Randhawa, 1938
- Spirogyra rhizopus C.-C.Jao, 1936
- Spirogyra rivularis (Hassall) Rabenhorst, 1868
- Spirogyra robusta (Nygaard) Czurda, 1932
- Spirogyra rugosa (Transeau) Czurda, 1932
- Spirogyra rugulosa Iwanoff, 1900
- Spirogyra sahnii Randhawa, 1938
- Spirogyra salina Aleem, 1961
- Spirogyra salmonispora N.C.Ferrer & E.J.Cáceres, 1995
- Spirogyra sanjingensis Y.Wang & Z.Wang, 1985
- Spirogyra sarmae M.Singh & M.Srivastava
- Spirogyra schimidtii West & G.S.West
- Spirogyra schmidtii West & G.S.West, 1901
- Spirogyra schweickerdtii Cholonky, 1952
- Spirogyra scripta Nygaard, 1932
- Spirogyra scrobiculata (Stockmayer) Czurda, 1932
- Spirogyra sculpta Gauthier-Lièvre, 1965
- Spirogyra semiornata C.-C.Jao, 1935
- Spirogyra senegalensis Gauthier-Lièvre, 1965
- Spirogyra setiformis (Roth) Martens ex Meneghini, 1837
- Spirogyra shantungensis L.-C.Li, 1936
- Spirogyra shanxiensis Zheng & Ling, 1979
- Spirogyra shenzaensis Zheng, 1979
- Spirogyra siamensis Transeau, 1951
- Spirogyra siberica Skvortzov, 1927
- Spirogyra silesiaca Kadlubowska, 1967
- Spirogyra sinensis L.-C.Li, 1933
- Spirogyra singularis Nordstedt, 1880
- Spirogyra skujae Randhawa, 1938
- Spirogyra skvortzowii Willi Kreiger, 1944
- Spirogyra smithii Transeau, 1934
- Spirogyra speciosa Liu, 1980
- Spirogyra sphaerica (Misra) Willi Krieger, 1944
- Spirogyra sphaerocarpa C.-C.Jao, 1939
- Spirogyra sphaerospora Hirn, 1895
- Spirogyra spinescens Kirjakov, 1970
- Spirogyra splendida G.S West, 1914
- Spirogyra spreeiana Rabenhorst, 1863
- Spirogyra subbullata Kadlubowska, 1983
- Spirogyra subcolligata L.J.Bi, 1979
- Spirogyra subcrassa Woronchin, 1954
- Spirogyra subcrassiuscula L.J.Bi, 1982
- Spirogyra subcylindrospora C.-C.Jao, 1935
- Spirogyra subechinata Godward, 1956
- Spirogyra subfossulata C.-C.Jao, 1982
- Spirogyra subglabra Zheng & Ling, 1979
- Spirogyra sublambertiana Zhao, 1982
- Spirogyra subluteospora C.-C.Jao & Hu, 1978
- Spirogyra submajuscula Ling & Zheng, 1979
- Spirogyra submargaritata Godward, 1956
- Spirogyra submarina (Collins) Transeau, 1916
- Spirogyra submaxima Transeau, 1914
- Spirogyra subobovata Chian, 1981
- Spirogyra subpapulatata C.-C.Jao, 1935
- Spirogyra subpellucida C.-C.Jao, 1939
- Spirogyra subpolytaeniata C.-C.Jao, 1941
- Spirogyra subpratensis Woronichin, 1950
- Spirogyra subreflexa Liang & Wang, 1979
- Spirogyra subreticulata F.E.Fritsch, 1921
- Spirogyra subsalina Cedercreutz, 1924
- Spirogyra subsalsa Kützing, 1845
- Spirogyra subsalso-punctatulata Kadlubowska, 1972
- Spirogyra subtropica Chian, 1981
- Spirogyra suburbana C.-C.Jao, 1982
- Spirogyra subvelata Kreiger, 1944
- Spirogyra sulcata Blum, 1944
- Spirogyra sundanensis Gauthier-Lièvre, 1965
- Spirogyra superba L.Liu, 1980
- Spirogyra supervarians Transeau, 1934
- Spirogyra szechwanensis C.-C.Jao, 1935
- Spirogyra taftiana Transeau, 1944
- Spirogyra taiyuanensis Ling, 1979
- Spirogyra tandae Randhawa, 1938
- Spirogyra taylorii C.-C.Jao, 1935
- Spirogyra tenuior (Transeau) Krieger
- Spirogyra tenuispina Rundina, 1977
- Spirogyra tenuissima (Hassall) Kützing, 1849
- Spirogyra teodoresci Transeau, 1934
- Spirogyra ternata Ripart, 1876
- Spirogyra tetrapla Transeau, 1938
- Spirogyra tibetensis C.-C.Jao, 1964
- Spirogyra tjibodensis Faber, 1912
- Spirogyra tolosana Comère, 1889
- Spirogyra torta Blum, 1943
- Spirogyra trachycarpa Skuja, 1934
- Spirogyra transeauiana C.-C.Jao, 1935
- Spirogyra triplicata (Collins) Transeau, 1944
- Spirogyra trochainii Gauthier-Lièvre, 1965
- Spirogyra tropica Kützing, 1855
- Spirogyra tsingtaoensis L.-C.Li, 1936
- Spirogyra tuberculata Lagerheim, 1896
- Spirogyra tuberculosa Liang & Wang, 1979
- Spirogyra tucumaniae B.Tracanna
- Spirogyra tumida C.-C.Jao, 1935
- Spirogyra turfosa F.Gay, 1884
- Spirogyra tuwensis R.J.Patel & C.K.Asok Kumar, 1970
- Spirogyra ugandense Gauthier-Lièvre, 1965
- Spirogyra unduliseptum Randhawa, 1938
- Spirogyra urbana C.-C.Jao & Zhong, 1982
- Spirogyra van-zantenii Cholonky, 1952
- Spirogyra variabilis C.-C.Jao & Hu, 1978
- Spirogyra varians (Hassall) Kützing, 1849
- Spirogyra variaspora Rickert & Hoshaw, 1970
- Spirogyra variformis Transeau, 1938
- Spirogyra varshaii Prasad & Dutta, 1970
- Spirogyra vasishtii Rattan, 1971
- Spirogyra velata Nordstedt, 1873
- Spirogyra venkatramanii Rattan
- Spirogyra venosa Kadlubowska, 1979
- Spirogyra venusta C.-C.Jao, 1935
- Spirogyra vermiculata C.-C.Jao & H.J.Hu, 1978
- Spirogyra verrucogranulata I.C A.Dias & C.E.de M.Bicudo
- Spirogyra verrucosa (C.B.Rao) Krieger, 1944
- Spirogyra verruculosa C.-C.Jao, 1936
- Spirogyra voltaica Gauthier-Lièvre, 1965
- Spirogyra wangii L.C.Li, 1933
- Spirogyra weberi Kützing, 1843
- Spirogyra weishuiensis Ling & Zheng, 1979
- Spirogyra weletischii West & G.S.West, 1897
- Spirogyra welwitschii West & G.S.West, 1897
- Spirogyra westii Transeau, 1934
- Spirogyra willei Skuja, 1928
- Spirogyra wittrockii Alexenko, 1894
- Spirogyra wollnyi De Toni, 1889
- Spirogyra wrightiana Transeau, 1938
- Spirogyra wuchanensis C.-C.Jao & H.-J.Hu, 1978
- Spirogyra wuhanensis C.-C.Jao & H.-J.Hu, 1978
- Spirogyra xiaoganensis Liu, 1980
- Spirogyra xinxiangensis L.J.Bi, 1979
- Spirogyra yexianensis L.J.Bi, 1979
- Spirogyra yuin S.Skinner & Entwisle, 2005
- Spirogyra yunanensis L.-C.Li, 1939
Charophyta → Zygnematophyceae → Zygnematales → Zygnemataceae , Spirotaenia Brébisson, 1848 , Spondylosium Brébisson ex Kützing, 1849
St
Staurastrum Meyen ex Ralfs, 1848
- Staurastrum abruptum West & G.S.West
- Staurastrum absconditum R.L.Grönblad
- Staurastrum acanthastrum West & G.S.West
- Staurastrum acanthocephalum Skuja
- Staurastrum acanthoides G.B.Delponte
- Staurastrum acanthophorum West & G.S.West, 1895
- Staurastrum acarides Nordstedt, 1872
- Staurastrum acestophorum West & G.S.West, 1902
- Staurastrum acestrophorum West & G.S.West
- Staurastrum actinotum West & G.S.West
- Staurastrum aculeatum Meneghini ex Ralfs, 1848
- Staurastrum acutum Brébisson, 1856
- Staurastrum adornatum R.L.Grönblad
- Staurastrum aequum W.B.Turner
- Staurastrum affine West & G.S.West, 1905
- Staurastrum affiniforme Grönblad, 1920
- Staurastrum africanum N.Woodhead & R.D.Tweed, 1958
- Staurastrum aggeratum Playfair
- Staurastrum agumbeyense G.R.Hegde & S.G.Bharati
- Staurastrum alandicum Cedercreutz & Grönblad, 1936
- Staurastrum alandicum (E.Teiling) E.Teiling
- Staurastrum alpicolum Schmidle
- Staurastrum alpinum Raciborski, 1889
- Staurastrum alternans Brébisson, 1848
- Staurastrum altum (R.Boldt) Schmidle
- Staurastrum americanum (West & G.S.West) G.M.Smith
- Staurastrum amibguum W.B.Turner
- Staurastrum amphidoxon West & G.S.West, 1894
- Staurastrum amplum Skuja, 1976
- Staurastrum anatinoides A.M.Scott & Prescott, 1958
- Staurastrum anatinum Cooke & Wills, 1881
- Staurastrum anchora West & G.S.West
- Staurastrum ancorula A.M.Scott & R.L.Grönblad
- Staurastrum andamanense B.N.Prasad, N.C.Mehrotra & M.N.Srivastava
- Staurastrum angulare W.B.Turner
- Staurastrum angulatum West, 1889
- Staurastrum angulatum (West & G.S.West) Coesel & Meesters, 2013
- Staurastrum anisacanthum A.M.Scott & Prescott
- Staurastrum ankyroides Wolle
- Staurastrum annandaleanum P.J.Brühl & K.P.Biswas
- Staurastrum annulatum West & G.S.West, 1895
- Staurastrum antioquiense G.S.West
- Staurastrum aphis T.J.C.Irénée-Marie
- Staurastrum apiculiferum W.B.Turner
- Staurastrum approximatum West & G.S.West
- Staurastrum arachne Ralfs ex Ralfs, 1848
- Staurastrum archerii West, 1892
- Staurastrum arctiscon (Ehrenberg ex Ralfs) P.M.Lundell, 1871
- Staurastrum arcuatum Nordstedt, 1873
- Staurastrum areolatum West & G.S.West
- Staurastrum aretasii P.Bourrelly
- Staurastrum armatum Playfair
- Staurastrum arnellii Boldt, 1885
- Staurastrum arthrodesmiforme K.Behre
- Staurastrum articulatum J.Ralfs
- Staurastrum ascendens P.J.Brühl & K.P.Biswas
- Staurastrum asoensis M.Hirano
- Staurastrum asperum Brébisson, 1848
- Staurastrum aspinosum F.Wolle
- Staurastrum assurgens Nordstedt, 1887
- Staurastrum asterias Nygaard
- Staurastrum asteroideum West & G.S.West, 1896
- Staurastrum auburnense Playfair
- Staurastrum aureolatum Playfair, 1908
- Staurastrum avalonense N.Woodhead & R.D.Tweed
- Staurastrum aversum P.Lundell, 1871
- Staurastrum avicula Brébisson, 1848
- Staurastrum aviculoides R.L.Grönblad
- Staurastrum bacillare Brébisson ex Ralfs, 1848
- Staurastrum baculiferum W.B.Turner
- Staurastrum baffinensis R.M.Whelden
- Staurastrum bangweuluensis K.Thomasson
- Staurastrum barbaricum West & G.S.West, 1902
- Staurastrum barbatum West & G.S.West
- Staurastrum barbulae Nygaard, 1949
- Staurastrum baronii West & G.S.West, 1895
- Staurastrum basichondroides R.Gutwinski
- Staurastrum basidentatum O.F.Borge
- Staurastrum basituberculatum K.Förster & F.Eckert
- Staurastrum batuaense K.Thomasson
- Staurastrum bayernense Coesel & Meesters, 2013
- Staurastrum bellum W.B.Turner
- Staurastrum belonophorum Skuja
- Staurastrum benadii Reinsch
- Staurastrum bengalense W.B.Turner
- Staurastrum benkoei Schaarschmidt, 1883
- Staurastrum bergii G.Nygaard
- Staurastrum besseri Woloszynska, 1921
- Staurastrum biannuliferum M.Hirano
- Staurastrum biarcuus Taft, 1945
- Staurastrum bibrachiatum F.Wolle, 1876
- Staurastrum bibrachiatum Reinsch, 1875
- Staurastrum bicorne Hauptfleisch, 1888
- Staurastrum bicoronatum L.P.Johnson
- Staurastrum bidentulum R.L.Grönblad
- Staurastrum bieneanum Rabenhorst, 1862
- Staurastrum biexcavatum M.Hirano
- Staurastrum bifasciatum Lütkemüller, 1900
- Staurastrum bifidum Brébisson, 1848
- Staurastrum bifurcatum K.Förster & F.Eckert
- Staurastrum bifurcum Joshua
- Staurastrum bigibbum Skuja
- Staurastrum bilobum A.M.Scott & Prescott
- Staurastrum binaculeatum F.Wolle
- Staurastrum binum O.F.Borge
- Staurastrum bioculatum W.R.Taylor
- Staurastrum biordinatum West & G.S.West
- Staurastrum bispiniferum Coesel & Meesters, 2013
- Staurastrum bissetii W.B.Turner
- Staurastrum bisulcatum W.B.Turner
- Staurastrum bituberculatum K.Förster & F.Eckert
- Staurastrum biwaensis M.Hirano
- Staurastrum blandum M.Raciborski
- Staurastrum blochii Y.Thérézien & A.Couté
- Staurastrum blocklandiae Coesel & Joosten
- Staurastrum bloklandiae Coesel & Joosten, 1996
- Staurastrum boergesenii Raciborski
- Staurastrum bohlinianum Schmidle, 1898
- Staurastrum bolbothrix G.Beck
- Staurastrum boldtianum R.L.Grönblad
- Staurastrum boldtii De Toni
- Staurastrum boreale West & G.S.West, 1905
- Staurastrum borgeanum Schmidle, 1898
- Staurastrum borgei (Kaiser) Coesel & Meesters, 2013
- Staurastrum botanense Playfair, 1907
- Staurastrum botrophilum Wolle, 1881
- Staurastrum brachiatum Ralfs ex Ralfs, 1848
- Staurastrum brachioprominens Børgesen, 1890
- Staurastrum brachyacanthum C.F.O.Nordstedt
- Staurastrum brasiliense Nordstedt, 1870
- Staurastrum breviaculeatum G.M.Smith, 1924
- Staurastrum brevispina Brébisson, 1848
- Staurastrum brevispinum (Brébisson) Ralfs, 1905
- Staurastrum brevissima Brébisson
- Staurastrum bulbiferum Skvortzov & M.Noda
- Staurastrum bulbosum (West) Coesel, 1996
- Staurastrum bullardii G.M.Smith, 1924
- Staurastrum bullosum A.W.Bennett, 1886
- Staurastrum bulnheimianum G.L.Rabenhorst
- Staurastrum burkillii West & G.S.West, 1907
- Staurastrum burmense W.B.Turner
- Staurastrum caffrorum M.I.Claassen
- Staurastrum caledonense G.E.Huber-Pestalozzi
- Staurastrum calodermum West & G.S.West, 1907
- Staurastrum calyxoides F.Wolle, 1885
- Staurastrum campanulatum Playfair
- Staurastrum candianum G.B.Delponte
- Staurastrum capense W.J.Hodgetts
- Staurastrum capitellatum West & G.S.West, 1907
- Staurastrum capitulum Brébisson, 1848
- Staurastrum caronense T.J.C.Irénée-Marie
- Staurastrum cassidum West & G.S.West
- Staurastrum cedercreutzii R.L.Grönblad
- Staurastrum centenniale (Playfair) Thomasson
- Staurastrum cerastes P.M.Lundell, 1871
- Staurastrum cerastoides West & G.S.West
- Staurastrum ceratodes W.B.Turner
- Staurastrum ceratophorum C.F.O.Nordstedt, 1877
- Staurastrum cerberus (Bailey) W.Archer
- Staurastrum ceylanicum West & G.S.West
- Staurastrum chaetoceras (Schröder) G.M.Smith, 1924
- Staurastrum chaetopus Hinode, 1967
- Staurastrum chavesii Bohlin, 1901
- Staurastrum ciliatospinosum (J.A.M.Perty) G.L.Rabenhorst
- Staurastrum cingulum (West & G.S.West) G.M.Smith, 1922
- Staurastrum circulare Schmidle
- Staurastrum circulus R.L.Grönblad
- Staurastrum claviferum (Delponte) West & G.S.West
- Staurastrum clepsydra Nordstedt, 1870
- Staurastrum clepsydra Spencer, 1883
- Staurastrum clevei (Wittrock) J.Roy, 1893
- Staurastrum coarctatum Brébisson, 1856
- Staurastrum coderrii T.J.C.Irénée-Marie
- Staurastrum columbetoides West & G.S.West
- Staurastrum columbianum W.R.Taylor
- Staurastrum commutatum (Kützing) G.L.Rabenhorst
- Staurastrum compactum R.M.Whelden
- Staurastrum complanatum G.B.Delponte
- Staurastrum compsobrachiatum West & G.S.West, 1907
- Staurastrum comptum F.Wolle
- Staurastrum concinnum West & G.S.West
- Staurastrum concinnum K.Thomasson
- Staurastrum conicum W.B.Turner
- Staurastrum coniforme R.L.Grönblad
- Staurastrum conspicuum West & G.S.West, 1903
- Staurastrum contortum Delponte, 1877
- Staurastrum controversum Brébisson, 1848
- Staurastrum convergens (J.A.M.Perty) G.L.Rabenhorst
- Staurastrum convolutum R.L.Grönblad & A.M.Scott, 1958
- Staurastrum corbula West & G.S.West
- Staurastrum cordatum F.Gay, 1884
- Staurastrum cornigerum J.Roy
- Staurastrum cornutum W.Archer, 1881
- Staurastrum cornutum F.Wolle, 1885
- Staurastrum coronatum (Ehrenberg) J.Ralfs
- Staurastrum coronatum J.Ralfs
- Staurastrum coronatum F.Wolle, 1882
- Staurastrum coroniferum W.B.Turner
- Staurastrum coronulatum F.Wolle, 1884
- Staurastrum corpulentum K.Thomasson
- Staurastrum cosmarioides Nordstedt, 1870
- Staurastrum cosmarioides Reinsch
- Staurastrum cosmospinosum (Børgesen) West & G.S.West, 1900
- Staurastrum cracoviense M.Raciborski
- Staurastrum crassangulatum Coesel, 2007
- Staurastrum crassicornutum T.Hinode
- Staurastrum crassimamillatum Coesel & Meesters, 2013
- Staurastrum crenatum J.Ralfs
- Staurastrum crenatum M.I.Claassen
- Staurastrum crenulatum (Nägeli) Delponte, 1877
- Staurastrum cristatum (Nägeli) W.Archer, 1861
- Staurastrum croasdaleae Teiling, 1967
- Staurastrum croaticum I.Pevalek
- Staurastrum cruciatum A.Heimerl
- Staurastrum cruciatum F.Wolle
- Staurastrum cruciforme Playfair
- Staurastrum crux-alternans West & G.S.West
- Staurastrum cryptoedrum Skuja, 1949
- Staurastrum csorbae R.Gutwinski
- Staurastrum cumbricum West, 1890
- Staurastrum cuneatum Boldt
- Staurastrum cuneatum Boldt
- Staurastrum cuniculosum Playfair
- Staurastrum cunningtonii G.S.West, 1907
- Staurastrum curviceps A.M.Scott & R.L.Grönblad
- Staurastrum curvimarginatum A.M.Scott & R.L.Grönblad
- Staurastrum curvirostrum W.B.Turner
- Staurastrum curvispinum T.J.C.Irénée-Marie
- Staurastrum cuspidatum Brébisson, 1924
- Staurastrum cuspidatum Brébisson ex Ralfs, 1937
- Staurastrum cyathiforme (West & G.S.West) G.R.Cedergren
- Staurastrum cyathipes Scott & Grönblad, 1957
- Staurastrum cyathodes W.Joshua
- Staurastrum cyclacanthum West & G.S.West, 1902
- Staurastrum cyclofurcatum A.M.Scott & R.L.Grönblad
- Staurastrum cyrtocerum Brébisson, 1848
- Staurastrum danicum G.Nygaard
- Staurastrum decipiens M.Raciborski
- Staurastrum decoratum West & G.S.West
- Staurastrum delicatissimum West & G.S.West
- Staurastrum dentatum Willi Krieger, 1932
- Staurastrum dentatum M.Noda & Skvortzov
- Staurastrum denticulatum (Nägeli) W.Archer, 1861
- Staurastrum dentiphorum G.Uherkovich
- Staurastrum depressiceps A.M.Scott & G.L.Grönblad
- Staurastrum depressiforme C.W.Cedercreutz & R.L.Grönblad
- Staurastrum depressum (C.W.Nägeli) W.B.Turner
- Staurastrum de-tonii B.Eichler & R.Gutwinski
- Staurastrum diabolo P.F.M.Coesel
- Staurastrum diacanthum A.Lemaire, 1890
- Staurastrum diademum L.Viret
- Staurastrum diaphoron G.Beck
- Staurastrum dicodon P.J.Brühl & K.P.Biswas
- Staurastrum dicroceros Ruzicka, 1963
- Staurastrum Didymocladon A.W.Bennett, 1887
- Staurastrum diengianum C.J.Bernard
- Staurastrum digitatum G.S.West
- Staurastrum digitatum G.S.West, 1909
- Staurastrum dilatatum Ehrenberg ex Ralfs, 1848
- Staurastrum dimazum (Lütkemüller) Grönblad, 1920
- Staurastrum diplacanthum G.De Notaris
- Staurastrum diptilum C.F.O.Nordstedt, 1870
- Staurastrum dispar Brébisson, 1856
- Staurastrum disparatum West & G.S.West
- Staurastrum dispergens R.L.Grönblad
- Staurastrum disputatum West & G.S.West, 1912
- Staurastrum distentum Wolle, 1882
- Staurastrum divaricatum F.Wolle
- Staurastrum doidgei F.E.Fritsch & M.F.Rich
- Staurastrum donardense West & G.S.West, 1902
- Staurastrum donnellii F.Wolle
- Staurastrum dorsidentiferum West & G.S.West, 1906
- Staurastrum dorsuosum Nordstedt, 1887
- Staurastrum duacense West & G.S.West, 1909
- Staurastrum dubium West, 1890
- Staurastrum duplex F.Wolle, 1883
- Staurastrum dybowskii Woloszynska, 1919
- Staurastrum dziewulskii B.Eichler & M.Raciborski
- Staurastrum eboracense W.B.Turner, 1893
- Staurastrum echinatum Brébisson ex Ralfs, 1848
- Staurastrum echinodermum West & G.S.West, 1903
- Staurastrum eckertii K.Förster
- Staurastrum ecorne Turner, 1892
- Staurastrum egregium West & G.S.West
- Staurastrum egregium M.Noda & Skvortzov
- Staurastrum ehrenbergianum Archer, 1861
- Staurastrum ehrenbergii J.Ralfs
- Staurastrum eichleri Raciborski, 1893
- Staurastrum elaticeps A.M.Scott & R.L.Grönblad
- Staurastrum elegans Borge
- Staurastrum elegantissimum L.N.Johnson, 1894
- Staurastrum ellipticum West, 1892
- Staurastrum eloiseanum F.Wolle, 1883
- Staurastrum elongatum J.Barker, 1869
- Staurastrum elyanum C.J.Bernard
- Staurastrum emaciatum A.M.Scott & Prescott
- Staurastrum emanatum M.Noda & Skvortzov
- Staurastrum engleri Schmidle
- Staurastrum enontekiense R.L.Grönblad
- Staurastrum ensiferum W.B.Turner
- Staurastrum eoetvoesii G.Istvanfi de Csík Madéfalva
- Staurastrum erasum Brébisson, 1856
- Staurastrum erectum Reinsch, 1875
- Staurastrum erinaceum L.Viret
- Staurastrum erinacoideum A.M.Scott & H.T.Croasdale
- Staurastrum erlangense Reinsch
- Staurastrum ernstii C.J.Bernard
- Staurastrum erostellum (West & G.S.West) West & G.S.West, 1900
- Staurastrum erosum L.A.Brébisson
- Staurastrum eskolense P.F.M.Coesel
- Staurastrum euastridium R.L.Grönblad
- Staurastrum euprepes A.M.Scott & G.W.Prescott
- Staurastrum eurycerum Skuja
- Staurastrum evermanni H.W.Clark
- Staurastrum excavatum West & G.S.West, 1895
- Staurastrum exiguum F.Wolle, 1883
- Staurastrum exiguum Reinsch, 1877
- Staurastrum exile West & G.S.West, 1895
- Staurastrum eximium W.B.Turner
- Staurastrum exporrectum A.M.Scott & Prescott
- Staurastrum extensum (Nordstedt) Coesel & Meesters, 2013
- Staurastrum falcatum (A.K.J.Corda) Ehrenberg
- Staurastrum farquhrasonii J.Roy
- Staurastrum fasciculoides F.Wolle
- Staurastrum felkaense E.Kol
- Staurastrum fennicum (R.Grönblad) F.A.C.Kouwets, 2001
- Staurastrum fennicum Grönblad, 1920
- Staurastrum fernaldii W.R.Taylor
- Staurastrum festivum W.B.Turner
- Staurastrum fissum W.B.Turner
- Staurastrum floriferum West & G.S.West, 1896
- Staurastrum fluctuosulum G.Beck
- Staurastrum foersteri P.F.M.Coesel
- Staurastrum foliatum W.B.Turner
- Staurastrum fontense Playfair
- Staurastrum forficulatum P.Lundell, 1871
- Staurastrum formosum C.Bernard
- Staurastrum franconicum Reinsch, 1867
- Staurastrum frangens T.J.C.Irénée-Marie
- Staurastrum freemanii West & G.S.West
- Staurastrum friburgense M.A.Millardet
- Staurastrum frontiverrucosum A.M.Scott & R.L.Grönblad
- Staurastrum fuellebornei Schmidle
- Staurastrum furcato-stellatum Reinsch
- Staurastrum furcatum Brébisson, 1856
- Staurastrum furcigerum (Brébisson) W.Archer, 1861
- Staurastrum fusiforme F.Wolle, 1882
- Staurastrum fusoideum H.Croasdale & E.A.Flint, 1994
- Staurastrum galeatum W.B.Turner
- Staurastrum galpinii M.I.Claassen
- Staurastrum gatniense West & G.S.West, 1902
- Staurastrum gemelliparum Nordstedt, 1870
- Staurastrum geminatum Nordstedt, 1873
- Staurastrum geminispinum K.Förster & F.Eckert
- Staurastrum gemmulatum W.B.Turner
- Staurastrum genuflexum West & G.S.West
- Staurastrum gerinkae N.Woodhead & R.D.Tweed, 1958
- Staurastrum gibberum Willi Krieger & P.Bourrelly
- Staurastrum giganteum West & G.S.West
- Staurastrum ginzbergeri R.L.Grönblad
- Staurastrum glaphyrum West & G.S.West, 1895
- Staurastrum glaronense Messikommer, 1951
- Staurastrum globosum J.Roy & J.Bisset
- Staurastrum globulatum L.A.Brébisson, 1948
- Staurastrum glontii D.A.Tarnogradskii
- Staurastrum gnampton A.M.Scott & G.W.Prescott
- Staurastrum gonzalvesianum S.G.Bharati & G.R.Hegde
- Staurastrum gracile Ralfs ex Ralfs, 1848
- Staurastrum gracillimum West & G.S.West, 1895
- Staurastrum gracillimum Brébisson
- Staurastrum grallatorium Nordstedt, 1870
- Staurastrum grallatorium va.floridanum A.M.Scott & R.L.Grönblad
- Staurastrum grande Bulnheim, 1861
- Staurastrum granulatum Reinsch
- Staurastrum granulosum Ralfs, 1848
- Staurastrum gratianum T.J.C.Irénée-Marie
- Staurastrum gratum R.M.Whelden
- Staurastrum groenbladii Skuja, 1931
- Staurastrum guarrerae G.Tell
- Staurastrum gurgeliense Schmidle
- Staurastrum gutwinskii C.Bernard
- Staurastrum gyratum West & G.S.West, 1907
- Staurastrum haaboeliense Wille, 1880
- Staurastrum hagmannii R.L.Grönblad
- Staurastrum hambergii K.M.Strøm
- Staurastrum handelii Skuja
- Staurastrum hantzschii Reinsch, 1867
- Staurastrum hardyi G.S.West
- Staurastrum haynaldii Schaarschmidt, 1883
- Staurastrum heimerlianum Lütkemüller, 1893
- Staurastrum heleneanum F.Wolle
- Staurastrum heneratgodhense West & G.S.West
- Staurastrum heteroplophorum West & G.S.West
- Staurastrum hexacerum Wittrock, 1872
- Staurastrum hexagonale F.E.Fritsch
- Staurastrum hexagonum (M.Raciborski) M.Raciborski
- Staurastrum hexops A.M.Scott & G.W.Prescott
- Staurastrum hibernicum West, 1892
- Staurastrum hieronymusii Schmidle
- Staurastrum hirsutum Ehrenberg ex Ralfs, 1848
- Staurastrum hirtum O.F.Borge
- Staurastrum hispidum L.A.Brébisson
- Staurastrum hispidum L.Viret
- Staurastrum hoehnei O.F.Borge
- Staurastrum holmii (J.N.F.Wille) C.W.Lowe
- Staurastrum hoplotheca G.Beck
- Staurastrum horae P.J.Brühl & K.P.Biswas
- Staurastrum horametrum Roy, 1893
- Staurastrum horrescens W.Joshua
- Staurastrum horridum W.B.Turner
- Staurastrum hubeiense Y.Wei & M.Yu, 2005
- Staurastrum huillense West & G.S.West
- Staurastrum humerosum A.M.Scott & R.L.Grönblad
- Staurastrum hypacanthum A.M.Scott & Prescott
- Staurastrum hypocephalophorum West & G.S.West, 1895
- Staurastrum hystrix Ralfs, 1848
- Staurastrum ibericum D.A.Tarnogradskii
- Staurastrum ignotum W.B.Turner
- Staurastrum ikapoae Schmidle
- Staurastrum illusum G.S.West
- Staurastrum iltisii Compère, 1987
- Staurastrum inaequale C.F.O.Nordstedt, 1877
- Staurastrum incisum F.Wolle
- Staurastrum inconspicuum Nordstedt, 1873
- Staurastrum inconstans R.M.Whelden
- Staurastrum incurvatum West & G.S.West
- Staurastrum incurvum (M.Hirano) M.Hirano
- Staurastrum incurvum Skuja
- Staurastrum indentatum (West & G.S.West) Teiling, 1967
- Staurastrum indicum W.B.Turner
- Staurastrum inelegans West & G.S.West, 1905
- Staurastrum inerme W.B.Turner
- Staurastrum infestum W.B.Turner
- Staurastrum inflatiusculum R.L.Grönblad
- Staurastrum inflexum Brébisson, 1856
- Staurastrum informe Grönblad, 1920
- Staurastrum inornatum R.M.Whelden
- Staurastrum insigne P.Lundell, 1871
- Staurastrum intricatum G.B.Delponte
- Staurastrum inversenii Nygaard
- Staurastrum involutum W.B.Turner
- Staurastrum ionatum Wolle
- Staurastrum iotanum Wolle, 1884
- Staurastrum iotomum F.Wolle
- Staurastrum iversenii Nygaard, 1950
- Staurastrum japonicum (J.Roy & J.Bisset) W.B.Turner
- Staurastrum javanicum (Nordstedt) W.B.Turner, 1893
- Staurastrum jenneri J.Ralfs
- Staurastrum johnsonii West & G.S.West, 1896
- Staurastrum johorense C.J.Bernard, 1909
- Staurastrum joshuae C.J.Bernard
- Staurastrum julicum Pevalek, 1925
- Staurastrum junkianum T.J.C.Irénée-Marie
- Staurastrum jurucuiense K.Thomasson
- Staurastrum kaiseri Ružicka, 1972
- Staurastrum kanitzii Schaarschmidt, 1883
- Staurastrum karasuensis M.Hirano
- Staurastrum kebnekaisense K.Thomasson
- Staurastrum kerguelenense Reinsch
- Staurastrum keuruense Coesel & Meesters, 2013
- Staurastrum kitchelii F.Wolle, 1882
- Staurastrum kobelianum Schröder, 1919
- Staurastrum koidzumii M.Hirano
- Staurastrum kosmos Skuja, 1976
- Staurastrum kouwetsii Coesel, 1996
- Staurastrum kozlowskii M.Raciborski
- Staurastrum kriegerianum R.L.Grönblad, 1962
- Staurastrum krkense I.Pevalek
- Staurastrum kuetzingii Ehrenberg
- Staurastrum kurilense Okada
- Staurastrum kurozoense T.Hinode
- Staurastrum kurzianum W.B.Turner
- Staurastrum kwangsiense C.C.Jao, 1949
- Staurastrum labarrii T.J.C.Irénée-Marie
- Staurastrum labiatum O.F.Borge
- Staurastrum laceratum W.B.Turner
- Staurastrum lacustre G.M.Smith
- Staurastrum laeve Ralfs, 1848
- Staurastrum laevigatum E.Messikommer
- Staurastrum laevis (Kützing) Ralfs
- Staurastrum laevispinum Bisset, 1884
- Staurastrum lagerheimii Schmidle, 1898
- Staurastrum lanceolatum W.Archer, 1862
- Staurastrum laniatum G.B.Delponte
- Staurastrum lapponicum (Schmidle) Grönblad, 1926
- Staurastrum latecurvatum (Grönblad) Coesel
- Staurastrum latecurvatum (R.Grönblad) P.F.M.Coesel
- Staurastrum lativenter A.M.Scott & R.L.Grönblad
- Staurastrum lauzannei Y.Thérézien
- Staurastrum lenzenwegeri Coesel & Meesters, 2013
- Staurastrum lepidum O.F.Borge
- Staurastrum leptacanthum Nordstedt, 1869
- Staurastrum leptocladum Nordstedt, 1870
- Staurastrum leptopus Willi Krieger
- Staurastrum levanderi Grönblad, 1938
- Staurastrum levispinum Bisset, 1884
- Staurastrum lewisianum W.B.Turner
- Staurastrum lewisii H.C.Wood
- Staurastrum lezae K.Thomasson
- Staurastrum libeltii Raciborski
- Staurastrum limneticum Schmidle, 1898
- Staurastrum lindae R.L.Grönblad
- Staurastrum livingstonii K.Thomasson
- Staurastrum loefgrenii O.F.Borge
- Staurastrum logimum West & G.S.West
- Staurastrum loktakense P.J.Brühl & K.P.Biswas
- Staurastrum longebrachiatum (Borge) Gutwinski
- Staurastrum longibrachiatum (Borge) Gutwinski, 1902
- Staurastrum longibrachiatum West & G.S.West, 1905
- Staurastrum longicolle P.Coesel & A.van Geest, 2012
- Staurastrum longipes (Nordstedt) Teiling, 1946
- Staurastrum longiradiatum West & G.S.West, 1896
- Staurastrum longirostratum R.L.Grönblad
- Staurastrum longispinum (Bailey) W.Archer, 1861
- Staurastrum longissimum O.F.Borge
- Staurastrum longistipes M.Hirano
- Staurastrum louisianicum A.M.Scott & R.L.Grönblad
- Staurastrum luetkemuelleri Donat & Ruttner ex Rutter, 1942
- Staurastrum lundellii W.B.Turner
- Staurastrum lusitanicum A.Nauwerck
- Staurastrum luteolum Lagerheim, 1886
- Staurastrum maamense W.Archer, 1869
- Staurastrum macedonicum S.P.Petkoff
- Staurastrum macrocerum F.Wolle
- Staurastrum magdalenae Børgesen, 1903
- Staurastrum magnifurcatum Scott & Grönblad, 1957
- Staurastrum magnottae A.M.Scott & R.L.Grönblad
- Staurastrum magnum F.Wolle
- Staurastrum majusculum F.Wolle
- Staurastrum mamillosum J.Ralfs
- Staurastrum mammangulare R.L.Grönblad
- Staurastrum manfeldtii Delponte, 1878
- Staurastrum manipurense P.J.Brühl & K.P.Biswas
- Staurastrum mansangense West & G.S.West, 1907
- Staurastrum maraense S.Yacubson
- Staurastrum margaritaceum Meneghini ex Ralfs, 1848
- Staurastrum masaganum M.I.Claassen
- Staurastrum maskellii W.B.Turner
- Staurastrum mattawinii T.J.C.Irénée-Marie
- Staurastrum mattiei M.I.Claassen
- Staurastrum mayori G.S.West
- Staurastrum mbugense E.M.Lind
- Staurastrum megalonotum Nordstedt, 1875
- Staurastrum megalonotus Nordstedt
- Staurastrum merianii Reinsch, 1866
- Staurastrum mesianum M.I.Claassen
- Staurastrum mesoleium W.Archer
- Staurastrum micron West & G.S.West, 1896
- Staurastrum micronoides Coesel & Joosten, 1996
- Staurastrum microscopicum W.B.Turner
- Staurastrum miedzyrczecense (B.Eicher) Coesel & Meesters, 2013
- Staurastrum militare Behre, 1956
- Staurastrum minimum Coesel, 1996
- Staurastrum minneapoliense F.Wolle, 1885
- Staurastrum minnesotense F.Wolle, 1885
- Staurastrum minor Wolle
- Staurastrum minus (Kützing) J.Ralfs
- Staurastrum minus J.Ralfs
- Staurastrum minusculum W.Joshua
- Staurastrum minutissimum Averswald, 1866
- Staurastrum modestum K.Behre
- Staurastrum mogolense B.J.Cholnoky
- Staurastrum moniliferum Playfair
- Staurastrum monodii P.Bourrelly
- Staurastrum montanum M.Raciborski
- Staurastrum monticulosiforme West & G.S.West, 1907
- Staurastrum monticulosum Brébisson, 1848
- Staurastrum morettii R.L.Grönblad
- Staurastrum mossambicum Schmidle
- Staurastrum muelleri K.Förster
- Staurastrum multinodulosum Grönblad, 1926
- Staurastrum multispiniceps A.M.Scott & G.W.Prescott
- Staurastrum munitum H.C.Wood
- Staurastrum muricatiforme Schmidle, 1896
- Staurastrum mutabile W.B.Turner
- Staurastrum muticum Brébisson ex Ralfs, 1848
- Staurastrum mutilatum P.M.Lundell, 1871
- Staurastrum myrdalense (K.M.Strøm) Coesel & Meesters, 2013
- Staurastrum naegelianum (P.F.Reinsch) J.E.Weiss
- Staurastrum nanum F.Wolle, 1884
- Staurastrum natator West, 1892
- Staurastrum nathorstii W.B.Turner
- Staurastrum neglectum G.S.West, 1909
- Staurastrum nephroideum West & G.S.West
- Staurastrum neralense A.Hansgirg
- Staurastrum nigerensis A.Couté & G.Rousselin
- Staurastrum nigrae-silvae Schmidle, 1892
- Staurastrum nipponicum Y.Okada
- Staurastrum nitidum W.Archer
- Staurastrum nodiferum W.B.Turner
- Staurastrum nodosum West & G.S.West, 1897
- Staurastrum noduliferum R.L.Grönblad
- Staurastrum nodulosum Prescott
- Staurastrum nonanum Turner, 1892
- Staurastrum nordstedtii R.Gutwinski
- Staurastrum notarisii G.B.Delponte
- Staurastrum nova-caesareae F.Wolle
- Staurastrum novae-semliae Wille, 1879
- Staurastrum novae-terrae W.R.Taylor
- Staurastrum nudibrachiatum O.F.Borge
- Staurastrum nygaardii Coesel & Meesters, 2013
- Staurastrum obductum O.F.Borge
- Staurastrum obliquum (C.F.O.Nordstedt) J.Sampaio
- Staurastrum oblongum G.B.Delponte
- Staurastrum obscurum Coesel, 1996
- Staurastrum obversum Prescott, 1966
- Staurastrum ochridense S.P.Petkoff
- Staurastrum ochthodes W.B.Turner
- Staurastrum octangulare R.L.Grönblad
- Staurastrum octodontum Skuja
- Staurastrum octoverrucosum A.M.Scott & Gronblad, 1957
- Staurastrum odontatum F.Wolle
- Staurastrum oenpelliense A.M.Scott & Prescott
- Staurastrum o'mearii Archer, 1858
- Staurastrum onegense R.L.Grönblad
- Staurastrum ophiura P.M.Lundell, 1871
- Staurastrum opimum W.B.Turner
- Staurastrum orbiculare Meneghini ex Ralfs, 1848
- Staurastrum orbiculispiniferum I.M.Franceschini & A.Couté, 1992
- Staurastrum ordinatum W.B.Turner, 1893
- Staurastrum orientale W.B.Turner
- Staurastrum ornatum (Boldt) W.B.Turner, 1892
- Staurastrum ornithocephalum West & G.S.West, 1895
- Staurastrum ornithopodum West & G.S.West, 1896
- Staurastrum orochonium M.Noda & Skvortzov
- Staurastrum orthospinosum orthospinosa Willi Krieger
- Staurastrum osceolense (Wolle) Grönblad
- Staurastrum ostenfeldii G.Nygaard
- Staurastrum osteonum West, 1890
- Staurastrum osvaldi Skuja
- Staurastrum oxyacantha W.Archer
- Staurastrum oxyacanthum W.Archer, 1860
- Staurastrum oxyrhynchum Roy & Bisset, 1886
- Staurastrum pachyrhynchum Nordstedt, 1875
- Staurastrum pachyrynchum C.F.O.Nordstedt
- Staurastrum palmatum T.J.C.Irénée-Marie
- Staurastrum panamanum G.W.Prescott
- Staurastrum paniculosum F.Wolle, 1883
- Staurastrum pansum W.B.Turner
- Staurastrum pantanale K.R.de Souza Santos, C.F. da Silva Malone, C.Leite Sant'Anna & C.E.de Matos Bicudo, 2013
- Staurastrum papillosum O.Kirchner
- Staurastrum paradoxoides Coesel & Meesters, 2013
- Staurastrum paradoxum Meyen ex Ralfs, 1848
- Staurastrum parallelum West & G.S.West, 1907
- Staurastrum parcum J.N.F.Wille
- Staurastrum parvulum West & G.S.West
- Staurastrum pasudoligacanthum Maskell, 1889
- Staurastrum patens W.B.Turner
- Staurastrum paucidentatum Lemaire
- Staurastrum paulense Børgesen
- Staurastrum pecten (J.A.M.Perty) F.Wolle
- Staurastrum pelagicum West & G.S.West, 1902
- Staurastrum peleii Taft, 1945
- Staurastrum penicilliferum R.L.Grönblad
- Staurastrum pentacerum (F.Wolle) G.M.Smith, 1922
- Staurastrum pentacladum Wolle
- Staurastrum pentacrinum Willi Krieger
- Staurastrum pentasterias Grönblad, 1963
- Staurastrum pentateuchophorum West & G.S.West
- Staurastrum perinii Auclair
- Staurastrum peristephes A.M.Scott & Prescott
- Staurastrum perrinii F.Auclair
- Staurastrum pertyanum Coesel & Meesters, 2013
- Staurastrum perundulatum Grönblad
- Staurastrum petsamoense Järnfelt, 1934
- Staurastrum picum West & G.S.West, 1896
- Staurastrum pileatum Delponte, 1877
- Staurastrum pileolatum Brébisson, 1848
- Staurastrum pilgeri Schmidle
- Staurastrum pilosellum West & G.S.West, 1912
- Staurastrum pilosum (Nägeli) W.Archer, 1861
- Staurastrum pilosum Brébisson, 1856
- Staurastrum pingue Teiling, 1942
- Staurastrum pingue (Teiling) Coesel & Meesters, 2013
- Staurastrum pinguescens R.L.Grönblad
- Staurastrum pinnatum W.B.Turner
- Staurastrum pisciforme W.B.Turner
- Staurastrum platycerum Joshua, 1886
- Staurastrum playfairi A.M.Scott & G.W.Prescott
- Staurastrum playfairii A.M.Scott & Prescott
- Staurastrum podlachicum B.Eichler & Gutwinski, 1894
- Staurastrum pokljukense Pevalek, 1925
- Staurastrum polonicum Raciborski, 1884
- Staurastrum polyacanthum T.Hinode
- Staurastrum polymorphum Brébisson, 1848
- Staurastrum polypoideum E.Teiling
- Staurastrum polytrichum (Perty) Rabenhorst, 1868
- Staurastrum pottsii F.Wolle
- Staurastrum prainii West & G.S.West, 1907
- Staurastrum prasadianum P.J.Brühl & K.P.Biswas
- Staurastrum prescottianum C.E.M.Bicudo
- Staurastrum prescottii W.E.Wade
- Staurastrum prescottii C.E.M.Bicudo
- Staurastrum prescottii S.G.Bharati & G.R.Hegde
- Staurastrum pringlei F.Wolle
- Staurastrum prionotum A.M.Scott & G.W.Prescott
- Staurastrum proboscideum (Brébisson) W.Archer, 1861
- Staurastrum protectum West & G.S.West, 1908
- Staurastrum proteus E.Teiling
- Staurastrum protractum L.N.Johnson
- Staurastrum protractum M.Raciborski
- Staurastrum protuberans Schmidle
- Staurastrum pseudarthrodesmus R.L.Grönblad
- Staurastrum pseudassurgens Maskell, 1889
- Staurastrum pseudincus Reinsch
- Staurastrum pseudobacillare R.L.Grönblad
- Staurastrum pseudobiretum Playfair
- Staurastrum pseudo-cosmarium Reinsch
- Staurastrum pseudocrenatum P.M.Lundell
- Staurastrum pseudocyclacanthum A.M.Scott & H.T.Croasdale, 1965
- Staurastrum pseudogemmulatum M.I.Claassen
- Staurastrum pseudohystrix West & G.S.West
- Staurastrum pseudolaeve A.Couté & G.Rousselin
- Staurastrum pseudolagerheimii K.Thomasson
- Staurastrum pseudolevanderi P.F.M.Coesel & A.M.T.Joosten
- Staurastrum pseudoligacanthum Maskell, 1889
- Staurastrum pseudomonticulosum A.M.Scott & R.L.Grönblad
- Staurastrum pseudomuricatum R.L.Grönblad
- Staurastrum pseudonanum R.L.Grönblad
- Staurastrum pseudoneglectum A.M.Scott & R.L.Grönblad
- Staurastrum pseudopelagicum West & G.S.West, 1903
- Staurastrum pseudopisciforme B.Eichler & R.Gutwinski, 1894
- Staurastrum pseudoplanctonicum W. Scharf, 2009
- Staurastrum pseudopterosporum K.Förster & F.Eckert
- Staurastrum pseudoquadrangulare K.Thomasson
- Staurastrum pseudoretusum G.R.Hegde
- Staurastrum pseudosuecicum Prescott & A.M.Scott
- Staurastrum pseudotessulare K.Förster & F.Eckert
- Staurastrum pseudotetracerum (Nordstedt) West & G.S.West, 1895
- Staurastrum pseudounicorne S.G.Bharati & G.R.Hegde
- Staurastrum pseudowillsii P.Bourrelly & A.Couté
- Staurastrum pseudozonatum O.F.Borge
- Staurastrum psilosporum C.F.O.Nordstedt & A.Loefgren
- Staurastrum pulcherrimum J.A.Cushman
- Staurastrum pulchrum F.Wolle
- Staurastrum pullulus R.L.Grönblad
- Staurastrum punctatuloides Coesel & Meesters, 2013
- Staurastrum punctulatoides Coesel & Meesters, 2013
- Staurastrum punctulatum Brébisson, 1848
- Staurastrum pungens Brébisson, 1848
- Staurastrum pusillum Wolle
- Staurastrum pyramidatum West, 1892
- Staurastrum quadrangulare Brébisson, 1848
- Staurastrum quadratum W.B.Turner
- Staurastrum quadriaculaatum A.M.Scott
- Staurastrum quadricornutum J.Roy & J.Bisset
- Staurastrum quadridentatum West & G.S.West
- Staurastrum quadrifurcatum Schmidle
- Staurastrum quadrinotatum R.L.Grönblad
- Staurastrum quadriradiatum P.Coesel & M.van Westen, 2014
- Staurastrum quadrispinatum W.B.Turner, 1886
- Staurastrum quadrulatum Coesel & Meesters, 2013
- Staurastrum quaternium F.Wolle
- Staurastrum quebecense T.J.C.Irénée-Marie, 1939
- Staurastrum raciborskii Gutwinski, 1902
- Staurastrum radians West & G.S.West, 1898
- Staurastrum ralfsii (West & G.S.West) Coesel & Meesters, 2013
- Staurastrum raphidacanthum A.M.Scott & G.W.Prescott
- Staurastrum ravenelii H.C.Wood
- Staurastrum ravenellii Wood, 1873
- Staurastrum rayssiae P.Bourrelly
- Staurastrum rectangulare Borge
- Staurastrum rectum M.Noda & Skvortzov
- Staurastrum recurvatum W.B.Turner
- Staurastrum reductum (Messikommer) Coesel, 2007
- Staurastrum refractum G.B.Delponte
- Staurastrum renardii Reinsch, 1867
- Staurastrum repandum (J.A.M.Perty) G.L.Rabenhorst
- Staurastrum resupinum W.B.Turner
- Staurastrum retusum W.B.Turner, 1893
- Staurastrum reynouardii F.Auclair, 1910
- Staurastrum rhabdophorum Nordstedt, 1875
- Staurastrum rhaphidacanthum A.M.Scott & G.W.Prescott
- Staurastrum rhynchoceps Willi Krieger
- Staurastrum richianum K.Thomasson
- Staurastrum ricklii Huber-Pestalozzi, 1928
- Staurastrum riesengebirgense R.L.Grönblad
- Staurastrum riklii G.E.Huber-Pestalozzi, 1928
- Staurastrum robustum G.B.Delponte
- Staurastrum rollii I.A.Kisselev
- Staurastrum rosei Playfair
- Staurastrum rostafinskii R.Gutwinski
- Staurastrum rostellum Roy (& Biss), 1893
- Staurastrum rostratum M.Raciborski
- Staurastrum rotula Nordstedt, 1869
- Staurastrum rotundatum W.B.Turner
- Staurastrum royii W.B.Turner
- Staurastrum rugosum T.J.C.Irénée-Marie
- Staurastrum rugulosum Brébisson ex Ralfs, 1848
- Staurastrum rusticum W.B.Turner
- Staurastrum ruzickae Kouwets, 1991
- Staurastrum rzoskae R.L.Grönblad & A.M.Scott, 1958
- Staurastrum sagittarium Nordstedt, 1887
- Staurastrum sagittiferum F.C.E.Børgesen
- Staurastrum saltans Joshua
- Staurastrum saltator Grönblad, 1938
- Staurastrum sancti-sebaldi (P.F.Reinsch) P.M.Lundell
- Staurastrum santessoni K.Thomasson
- Staurastrum santillanae F.Caballero, 1945
- Staurastrum saxonicum Bulnheim, 1863
- Staurastrum scabrum Brébisson, 1848
- Staurastrum schmidlei Prescott, 1982
- Staurastrum schroederi Grönblad, 1926
- Staurastrum schuurmani M.F.Rich
- Staurastrum scolopacinum W.B.Turner
- Staurastrum scorpioideum G.B.Delponte
- Staurastrum scottii Grönblad
- Staurastrum scrobiculatum West & G.S.West
- Staurastrum sebaldii Reinsch, 1866
- Staurastrum securiforme Schmidle
- Staurastrum selenaeum R.L.Grönblad
- Staurastrum sellulum T.J.C.Irénée-Marie
- Staurastrum senarium Ralfs, 1848
- Staurastrum senticosum G.B.Delponte, 1878
- Staurastrum serriforme Børgesen
- Staurastrum setigerum Cleve, 1864
- Staurastrum sexangulare (Bulnheim) Rabenhorst, 1863
- Staurastrum sexcostatum Brébisson ex Ralfs, 1848
- Staurastrum sexverrucosum West & G.S.West
- Staurastrum sibericum Borge, 1891
- Staurastrum sibiricum O.F.Borge, 1891
- Staurastrum silesiacum F.W.Hilse
- Staurastrum simonyi Heimerl, 1891
- Staurastrum simplicius (A.M.Scott & Grönblad) Coesel, 1996
- Staurastrum sinense Lütkemüller, 1900
- Staurastrum singaporense C.J.Bernard
- Staurastrum singkarakense Willi Krieger
- Staurastrum sinuatum Borge
- Staurastrum siolii A.M.Scott & H.T.Croasdale
- Staurastrum sirnonyi Heimerl, 1891
- Staurastrum skottsbergii Carlson
- Staurastrum smaragdinum W.B.Turner
- Staurastrum smithii Teiling, 1946
- Staurastrum sociatum F.Wolle
- Staurastrum sonfonense N.Woodhead & R.D.Tweed, 1958
- Staurastrum sonthalianum W.B.Turner, 1892
- Staurastrum sparsidentatum G.Nygaard
- Staurastrum sparsum (W.B.Turner) Dürrschmidt, 1985
- Staurastrum spencerianum Maskell, 1889
- Staurastrum spetsbergense (Nordstedt) Coesel & Meesters, 2013
- Staurastrum sphagnicolum P.Magdeburg
- Staurastrum spicatum West & G.S.West
- Staurastrum spiculiferum O.F.Borge
- Staurastrum spiculosum (G.M.Smith) A.M.Scott & R.L.Grönblad, 1957
- Staurastrum spiculosum T.Hinode
- Staurastrum spiniceps Willi Krieger
- Staurastrum spiniferum West, 1890
- Staurastrum spinipendens A.M.Scott & Prescott
- Staurastrum spinosissimum W.B.Turner
- Staurastrum spinuliferum Maskell, 1889
- Staurastrum splendidum Maskell, 1889
- Staurastrum spongiosum Brébisson ex Ralfs, 1848
- Staurastrum stauroton A.M.Scott & G.W.Prescott
- Staurastrum stella Maskell, 1883
- Staurastrum stellatum Reinsch
- Staurastrum stellatum F.C.E.Børgesen
- Staurastrum stellatum R.Thomsen
- Staurastrum stellatum M.Noda & Skvortzov
- Staurastrum stelliferum Borge
- Staurastrum stellinum W.B.Turner
- Staurastrum stephensii M.F.Rich
- Staurastrum stipes T.J.C.Irénée-Marie
- Staurastrum strensallense W.B.Turner
- Staurastrum striatum (West & G.S.West) Ruzicka, 1957
- Staurastrum striolatum (Nägeli) W.Archer, 1861
- Staurastrum subaciculiferum M.Hirano
- Staurastrum subamericanum R.L.Grönblad
- Staurastrum subamoenum Maskell, 1889
- Staurastrum sub-amoenum W.M.Maskell
- Staurastrum subanchora R.L.Grönblad
- Staurastrum subapiculiferum C.C.Jao
- Staurastrum subarmigerum Roy & Bisset
- Staurastrum subboergesenii Grönblad, 1938
- Staurastrum subbrebissonii Schmidle, 1894
- Staurastrum subcephalophorum E.N.Lacoste de Díaz
- Staurastrum subcontroversum Willi Krieger & P.Bourrelly
- Staurastrum subcornutum De Toni, 1891
- Staurastrum subcosmarioides M.Raciborski
- Staurastrum subcruciatum Cooke & Wills, 1887
- Staurastrum sub-curvatum M.F.Rich
- Staurastrum subcyclacanthum C.C.Jao
- Staurastrum subdenticulatum Nordstedt, 1887
- Staurastrum subdilatatum West & G.S.West
- Staurastrum subdisparatum M.Hirano
- Staurastrum subdisputatum A.M.Scott & R.L.Grönblad
- Staurastrum subexcavatum (Grönblad) Coesel & Meesters, 2013
- Staurastrum subfennicum Grönblad, 1920
- Staurastrum subgatniense R.L.Grönblad
- Staurastrum subgemmulatum West & G.S.West, 1895
- Staurastrum subgracillimum West & G.S.West, 1960
- Staurastrum subgrande Borge
- Staurastrum subindentatum West & G.S.West, 1907
- Staurastrum subjohnsonii M.F.Rich
- Staurastrum sublaevispinum West & G.S.West, 1898
- Staurastrum submonticulosum Roy & Bisset
- Staurastrum submuticum Skvortzov & M.Noda
- Staurastrum subnanum R.L.Grönblad
- Staurastrum subnivale Messikommer, 1942
- Staurastrum subnudibrachiatum West & G.S.West, 1905
- Staurastrum subophiura O.F.Borge
- Staurastrum suborbiculare West & G.S.West, 1896
- Staurastrum subosceolense Grönblad, 1920
- Staurastrum subparvulum West & G.S.West
- Staurastrum subpolymorphum Borge, 1903
- Staurastrum subprotractum Schmidle
- Staurastrum subpunctulatum F.Gay, 1884
- Staurastrum subpygmaeum West, 1892
- Staurastrum subradians Rich, 1935
- Staurastrum subrichianum K.Thomasson
- Staurastrum subrotula W.B.Turner
- Staurastrum subsaltans West & G.S.West
- Staurastrum subscolopacinum West & G.S.West
- Staurastrum subsphaericum Nordstedt, 1875
- Staurastrum subsuecicum A.M.Scott & G.W.Prescott
- Staurastrum subteliferum J.Roy & J.Bisset
- Staurastrum subtile C.F.O.Nordstedt
- Staurastrum subtilissimum M.Hirano
- Staurastrum subtrifurcatum Schmidle
- Staurastrum subtrifurcatum West & G.S.West
- Staurastrum subunguiferum F.E.Fritsch & M.F.Rich
- Staurastrum subvarians R.M.Whelden
- Staurastrum sub-vestitum M.F.Rich
- Staurastrum subzoniferum N.N.Woronichin
- Staurastrum suchlandtianum Messikommer, 1942
- Staurastrum sudamericanum G.Tell & C.G.Velez
- Staurastrum suecicum G.R.Cedergren
- Staurastrum sunderbundense W.B.Turner
- Staurastrum talisheekense A.M.Scott & R.L.Grönblad
- Staurastrum tangaroae Thomasson, 1960
- Staurastrum tangaroaii K.Thomasson
- Staurastrum taperinhas R.L.Grönblad
- Staurastrum tarantulum A.M.Scott & G.W.Prescott
- Staurastrum tauphorum West & G.S.West
- Staurastrum taylorii R.L.Grönblad, 1964
- Staurastrum tectum O.F.Borge
- Staurastrum teilingii P.Bourrelly
- Staurastrum teliferum Ralfs, 1848
- Staurastrum tentaculiferum O.F.Borge
- Staurastrum tenuissimum West & G.S.West, 1895
- Staurastrum terebrans C.F.O.Nordstedt
- Staurastrum terribile O.F.Borge
- Staurastrum tetracerum Ralfs ex Ralfs, 1848
- Staurastrum thangaicum P.J.Brühl & K.P.Biswas
- Staurastrum theronii B.J.Cholnoky
- Staurastrum thienemannii Willi Krieger
- Staurastrum thomassonianum Compère, 1976
- Staurastrum thomassonii Nygaard, 1991
- Staurastrum thunmarkii E.Teiling
- Staurastrum tiara Playfair
- Staurastrum tjiomense C.J.Bernard
- Staurastrum tohopekaligense Wolle, 1885
- Staurastrum tokopekaligense F.Wolle
- Staurastrum tonsum (Nordstedt) Playfair
- Staurastrum torsum W.B.Turner
- Staurastrum tortum (Lagerheim & Nordstedt ex Wittrock) West & G.S.West, 1912
- Staurastrum trachydermum W.B.Turner
- Staurastrum trachygonum West, 1902
- Staurastrum trachynotum West
- Staurastrum trachytithophorum West & G.S.West, 1897
- Staurastrum transvaalensis B.J.Cholnoky
- Staurastrum trapezicum R.Boldt, 1888
- Staurastrum trapeziforme F.R.Lundberg
- Staurastrum trapezoides Coesel & Meesters, 2013
- Staurastrum traunsteineri Hustedt, 1911
- Staurastrum trelleckense W.B.Turner
- Staurastrum triaculeatum R.Gutwinski
- Staurastrum triangulare W.B.Turner
- Staurastrum tricuspidatum (L.A.Brébisson & L.L.Godey) V.B.A.Trevisan de Saint-Léon
- Staurastrum tridens-neptuni West & G.S.West
- Staurastrum tridentiferum F.Wolle, 1882
- Staurastrum tridentulum Playfair
- Staurastrum trifidum Nordstedt
- Staurastrum trifolium R.Gutwinski
- Staurastrum triforcipatum West & G.S.West
- Staurastrum trifurcatum W.B.Turner
- Staurastrum trigonum (R.Boldt) E.K.Kossinskaja
- Staurastrum trihastiferum G.M.Smith
- Staurastrum trihedrale Wolle, 1883
- Staurastrum trilobulatum M.Dürrschmidt
- Staurastrum trilobum G.G.A.Meneghini
- Staurastrum tripes C.F.O.Nordstedt
- Staurastrum tripodum West & G.S.West
- Staurastrum triprocessum A.M.Scott & Prescott
- Staurastrum tripyrenoideum A.M.Scott & G.W.Prescott
- Staurastrum triskeles J.P.Brühl & K.P.Biswas
- Staurastrum trissacanthum A.M.Scott & G.W.Prescott
- Staurastrum trisserrulum T.J.C.Irénée-Marie
- Staurastrum tristichum Elfving, 1881
- Staurastrum trisulcatum W.B.Turner
- Staurastrum triundulatum O.F.Borge
- Staurastrum tropicum (N.G.Lagerheim) N.G.Lagerheim
- Staurastrum truncatulum Reinsch
- Staurastrum truncatum W.B.Turner
- Staurastrum truncatum (Ehrenberg) V.B.A.Trevisan de Saint-Léon
- Staurastrum tryssos A.M.Scott & R.L.Grönblad
- Staurastrum tsukubicum A.A.Gontcharov & M.M.Watanabe
- Staurastrum tuberculatum A.W.Bennett, 1886
- Staurastrum tumidulum F.Gay, 1884
- Staurastrum tunguscanum R.Boldt
- Staurastrum turgescens De Notaris, 1867
- Staurastrum turneri West & G.S.West
- Staurastrum tvaerminnense R.L.Grönblad
- Staurastrum ucrainicum G.M.Palamar-Mordvintseva
- Staurastrum uhtuense Grönblad, 1921
- Staurastrum ukerewensis K.Thomasson
- Staurastrum uncinatum W.B.Turner
- Staurastrum undulatum West & G.S.West, 1895
- Staurastrum ungeri Reinsch, 1867
- Staurastrum uniseriatum G.Nygaard
- Staurastrum uplandicum Teiling
- Staurastrum uralense N.N.Woronichin
- Staurastrum urinator G.M.Smith, 1924
- Staurastrum vaasii A.M.Scott & G.W.Prescott
- Staurastrum validum West & G.S.West
- Staurastrum variabile E.A.J.De Wildeman
- Staurastrum variodirectum Willi Krieger
- Staurastrum vastum (Schmidle) Schmidle
- Staurastrum ventricosum Maskell, 1889
- Staurastrum verruciferum C.C.Jao
- Staurastrum verrucosum West & G.S.West
- Staurastrum verruculatum G.Nygaard
- Staurastrum verticillatum W.Archer, 1869
- Staurastrum vesiculatum F.Wolle, 1885
- Staurastrum vestitum Ralfs, 1848
- Staurastrum victoriense G.S.West, 1971
- Staurastrum villosum West & G.S.West
- Staurastrum vivieri Y.Thérézien
- Staurastrum volans West & G.S.West, 1895
- Staurastrum vulgaris K.Thomasson
- Staurastrum waldense (J.Dick) J.Ruzicka
- Staurastrum wallichii W.B.Turner
- Staurastrum warmingii F.C.E.Børgesen
- Staurastrum welwitschii West & G.S.West
- Staurastrum westianum K.Thomasson
- Staurastrum westii W.B.Turner
- Staurastrum whiteanum N.Woodhead & R.D.Tweed
- Staurastrum wildemani R.Gutwinski
- Staurastrum wildemanii Gutwinski, 1902
- Staurastrum willsii W.B.Turner
- Staurastrum wittrockii W.B.Turner
- Staurastrum wolleanum G.L.Butler
- Staurastrum woltereckii K.Behre
- Staurastrum xanthidioides K.M.Borzécki
- Staurastrum xanthium Willi Krieger
- Staurastrum xiphidiophorum F.Wolle
- Staurastrum xiphophorum R.L.Grönblad
- Staurastrum yirrkallense A.M.Scott & Prescott
- Staurastrum yosiianum M.Hirano
- Staurastrum zachariasi J.L.B.Schröder
- Staurastrum zahlbruckneri Lütkmüller, 1900
- Staurastrum zelleri W.B.Turner
- Staurastrum zonatum Børgesen, 1890
- Staurastrum zoniferum R.L.Grönblad
- Staurastrum zygaena West & G.S.West
Charophyta → Zygnematophyceae → Zygnematales → Desmidiaceae , Staurodesmus Teiling, 1948 , Stephanochara L.Grambast, 1960 , Stichococcaceae , Streptonema Wallich, 1860
Sy
, Sycidium G.Sandberger, 1849