Silva Center for Phycological Documentation: Index Nominum Algarum


The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

NameAuthorSourceCitationYear
Euglena spirogyraC.G. Ehrenberg image
Euglena spirogyraC.G. Ehrenberg image
Euglena spirogyraEhrenberg Ann. Phys. u. Chem. 18: 508 1830
Euglena spirogyraEhrenberg Abh. Königl. Akad. Wiss. Berlin, Phys. Kl. 1830: 83, pl. VI:IV 1830
Euglena spirogyra f. minorB. Tracanna Opera Lilloana 35: 38, 126, pl. 16: figs. 5, 7 1985
Euglena spirogyra f. minorV. Conforti Rev. Hydrobiol. Trop. 27: 6, pl. II: fig. 7, pl. VI: figs. 11-12 1995
Euglena spirogyra f. sparse-ornataF. Wawrik image
Euglena spirogyra var. abrupte-acuminataE.J. Lemmermann image
Euglena spirogyra var. abrupte-acuminataE.J. Lemmermann image
Euglena spirogyra var. compressaZ.X. Shi Acta Phytotax. Sin. 34: 115, fig. 1: 5 1996
Euglena spirogyra var. elegansG.I. Playfair image
Euglena spirogyra var. fuscaG.A. Klebs image
Euglena spirogyra var. fuscaKlebs Untersuch. Bot. Inst. Tübingen 1: 307 1883
Euglena spirogyra var. fusiformisG. Deflandre image
Euglena spirogyra var. laticlavius(E.F.W. Hübner) E.J. Lemmermann image
Euglena spirogyra var. laticlaviusHübner Euglenac.-Fl. Stralsund [Programm Realgymn. Stralsund]: 10, fig. 12b 1886
Euglena spirogyra var. magnificaG. Uherkovich image
Euglena spirogyra var. majorM.I. Claassen image
Euglena spirogyra var. marchicaE.J. Lemmermann image
Euglena spirogyra var. marchicaE.J. Lemmermann image
Euglena spirogyra var. minorM. Lefèvre image
Euglena spirogyra var. minorP. Allorge & M. Lefèvre image
Euglena spirogyra var. supremaH.L. Skuja image
Euglena spirogyra var. tortaG.D. Priimachenko image
Euglena spirogyra var. tortaPrijmachenko Ukr. Bot. Zhurn. 20{2}: 74, fig. 3 1963
EUSPIROGYRA(Hansgirg) Hansgirg image
EUSPIROGYRAHansgirg image
Heteronema spirogyraSkuja image
Lepocinclis spirogyraKorshikov image
Nodamastix spirogyrae(Skvortzov) Skvortzov & Noda image
Phacus spirogyraDrezepolski image
Phacus spirogyra var. maximaPrescott image
SPIROGYRA(Link) Endlicher image
SPIROGYRALink image
SPIROGYRALink image
SPIROGYRA subgen.EUSPIROCYRA (Hansgirg) Hansgirg image
SPIROGYRA image
SPIROGYRA image
SPIROGYRA image
Spirogyra acanthophora(Skuja) Czurda image
Spirogyra adjerensisGauthier-Lièvre image
Spirogyra adnata(Vaucher) Dumortier Comment. Bot.: 99 1822
Spirogyra adnata(Vaucher) Kützing image
Spirogyra adnata(Vaucher) Meneghini image
Spirogyra adnataDumortier image
Spirogyra adnata f. elongataFilarszky image
Spirogyra adornataY.J. Ling image
Spirogyra aequalisF.L. Harvey image
Spirogyra aequalisF.L. Harvey image
Spirogyra aequinoctialisG.S. West image
Spirogyra affinis(Hassall) P. Petit image
Spirogyra affinis f. tibeticaWille image
Spirogyra africana(Fritsch) Czurda image
Spirogyra africana f. majorKamat image
Spirogyra ahmedabadensisKamat image
Spirogyra alkaliensisM. Noda J. Fac. Sci., Niigata Univ., ser. 2, 4: 136, pl. 7: figs. 1, 2 1963
Spirogyra alpinaKützing image
Spirogyra alsiophilaSkuja image
Spirogyra alternata(Hassall) Kützing image
Spirogyra amphimorphaIslam image
Spirogyra ampla(Jao) Krieger image
Spirogyra amplectensSkuja image
Spirogyra anamolaBhashyakarla Rao image
Spirogyra ancepsSkvortzov & Noda image
Spirogyra ancepsSkvortzov image
Spirogyra anchoraSkuja image
Spirogyra angolensisWelwitsch ex W. West & G.S. West image
Spirogyra angustissimaG.S. West image
Spirogyra annularisReinsch image
Spirogyra anomalaBhashyakarla Rao image
Spirogyra aphanosculptaSkuja image
Spirogyra aplanosporumRandhawa image
Spirogyra arcta(C. Agardh) Endlicher Gen. Pl. Suppl. 3: 15 1843
Spirogyra arcta [subsp.] catenaeformis(Hassall) Hansgirg image
Spirogyra arcta f. incrassataFilarszky image
Spirogyra arcta subsp. genuina(Kirchner) Hansgirg image
Spirogyra arcta subsp. nodosa(Kützing) Hansgirg image
Spirogyra arcta subsp. ulothrichoides_('ulotrichoides')(Kützing) Hansgirg image
Spirogyra arcta var. abbreviataRabenhorst image
Spirogyra arcta var. catenaeformis(Hassall) Kirchner image
Spirogyra arcta var. genuinaKirchner image
Spirogyra arcta var. lapponicaLagerheim image
Spirogyra arcta var. nodosa(Kützing) Rabenhorst image
Spirogyra arcta var. torulosa(Kützing) Rabenhorst image
Spirogyra areolataLagerheim image
Spirogyra arizonensisRickert & Hoshaw image
Spirogyra artaJao image
Spirogyra arthuriae_('Arthuri')Woodhead & Tweed Biologisch Jaarboek 22: 245, fig. 3 1955
Spirogyra articulataMeneghini image
Spirogyra articulataTranseau image
Spirogyra asiaticaCzurda image
Spirogyra asiaticaCzurda image
Spirogyra atasianaCzurda image
Spirogyra atrobrunneaGauthier-Lièvre image
Spirogyra atroviolaceaV. Martens image
Spirogyra aubevilliiGauthier-Lièvre image
Spirogyra australensisMöbius image
Spirogyra australicaCzurda image
Spirogyra austriacaCzurda image
Spirogyra autumnalisSkvortzov & Noda image
Spirogyra autumnalisSkvortzov image
Spirogyra azygosporaR.N. Singh image
Spirogyra azygospora var. inflataKamat Hydrobiologia 20: 267, pl. 3: fig. 11 1962
Spirogyra baileyiSchmidle image
Spirogyra batekianaGauthier-Lièvre image
Spirogyra bellis var. minorG.S. West image
Spirogyra bellis_('belle')(Hassall) Crouan frat. image
Spirogyra bellonaeZeller image
Spirogyra belloniae_('bellonae')Zeller Hedwigia 14: 29, no fig. 1875
Spirogyra bicalyptrataCzurda image
Spirogyra bichromatophora(Randhawa) Transeau image
Spirogyra bifariaKützing image
Spirogyra biformisJao image
Spirogyra biharensisA.M. Verma & B. Kumari Indian Bot. Reporter 8: 13, fig. 5 1989
Spirogyra bimorpha_('bimorphis')Dixit image
Spirogyra borealisY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 288, pl. II: fig. 4 1979
Spirogyra borgeana f. dimorpha(Chian) Chian Chengyu image
Spirogyra borgeana f. intermedia(Zheng & Ling) Zheng Yingmin & Ling Yuanjie image
Spirogyra borgeanaTranseau image
Spirogyra borgeana var. dimorphaChian image
Spirogyra borgeana var. intermediaY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 288, pl. II: fig. 1 1979
Spirogyra borkuensis_('borkuense')Gauthier-Lièvre image
Spirogyra borysthenica f. echinospora(Kasanowsky & Smirnoff) Poljansky image
Spirogyra borysthenicaKasanowsky & Smirnoff image
Spirogyra borysthenica var. echinosporaKasanowsky & Smirnoff image
Spirogyra bourrellyanaGauthier-Lièvre image
Spirogyra brauniiKützing image
Spirogyra braziliensis(Nordstedt) Transeau image
Spirogyra brevisKützing image
Spirogyra britannicaGodward image
Spirogyra brunneaCzurda image
Spirogyra brunnea f. pulchrifigurata(Jao) Poljansky image
Spirogyra brunnea f. variansBhashyakarla Rao image
Spirogyra buchetiiP. Petit image
Spirogyra buchetii var. bullataRattan image
Spirogyra bullata f. majorPoljansky image
Spirogyra bullata f. majorV.I. Poljansky Bot. Mater. Bot. Inst. Akad. Nauk SSSR, Spor. Rast. 12: 141, fig. 5 1959
Spirogyra bullata f. minorLiu Lian image
Spirogyra bullata f. minorRundina image
Spirogyra bullataJao image
Spirogyra calcareaTranseau image
Spirogyra calchaquiesiaeB. Tracanna Opera Lilloana 35: 92, 127, pl. 39: figs. 1, 10 1985
Spirogyra calidaCrouan fr. image
Spirogyra calidaP. Crouan & H. Crouan in Mazé & Schramm Essai Class. Alg. Guadeloupe, ed. 2: 40 1878
Spirogyra californicaR. Stancheva, J.D. Hall, R. McCourt & R. Sheath J. Phycol. 49: 595, fig. 4 2013
Spirogyra calosporaCleve image
Spirogyra calospora f. majorCooke image
Spirogyra calospora f. minorCooke image
Spirogyra calospora f. venusta(Jao) Poljansky image
Spirogyra canaliculataSegar image
Spirogyra capensisRabenhorst image
Spirogyra capitata_('capitate')C.G. Nees image
Spirogyra cardiniaS.H. Lewis in Lewis & Entwisle Muelleria 14: 99, fig. 1 2000
Spirogyra carolinianaDillard image
Spirogyra castanaceaCouch image
Spirogyra catenaeformis(Hassall) Kützing image
Spirogyra catenaeformis f. angularis(Hassall) Petit image
Spirogyra catenaeformis f. malleola(Hassall) Petit image
Spirogyra catenaeformis subsp. lapponicaLagerheim image
Spirogyra catenaeformis var. affinis(Hassall) Petit image
Spirogyra catenaeformis var. parvulaTranseau image
Spirogyra ceylanica(Wittrock) De Toni image
Spirogyra chakiaensis f. majorCompère image
Spirogyra chakiaensis var. lucknowensis_('lucknowense')Prasad & Dutta image
Spirogyra chakiaensis_('chakiaense')(Rao) Krieger image
Spirogyra chekiangensisJao image
Spirogyra cheniiJao image
Spirogyra chittagongensisIslam image
Spirogyra chungkingensisJao image
Spirogyra chuniaeJao image
Spirogyra circumcissaCzurda Beih. Bot. Centralbl. 47, Abt. I: 30, fig. 5 1930
Spirogyra circumlineataTranseau image
Spirogyra clavataSegar image
Spirogyra cleveanaTranseau image
Spirogyra colligataHodgetts image
Spirogyra collinsii(I.F. Lewis) Printz Nat. Pflanzenfam. ed. 2, 3: 372 1927
Spirogyra collinsii(Lewis) Printz image
Spirogyra collinsii f. ampla(Jao) Poljansky image
Spirogyra collinsii var. amplaJao image
Spirogyra collinsii var. minorPrescott & Croasdale image
Spirogyra columbianaCzurda in Pascher Süssw.-Fl., ed. 2, 9: 190, fig. 199 1932
Spirogyra communis(Hassall) Kützing Sp. alg.: 439 1849
Spirogyra communis(Hassall) Kützing image
Spirogyra communis [subsp.] genuina(Kirchner) Hansgirg image
Spirogyra communis subsp. mirabilis(Kützing) Hansgirg image
Spirogyra communis subsp. subtilis(Kützing) Hansgirg image
Spirogyra communis var. geminaKirchner image
Spirogyra communis var. intortaR.N. Singh image
Spirogyra communis var. mirabilis(Hassall) Kirchner image
Spirogyra communis var. subtilis(Kützing) Kirchner image
Spirogyra communis var. subtilis(Kützing) Rabenhorst image
Spirogyra commutataSkvortzov & Noda image
Spirogyra commutataSkvortzov image
Spirogyra condensata(Vaucher) Dumortier image
Spirogyra condensata(Vaucher) Leiblein image
Spirogyra condensata(Vaucher) Meneghini image
Spirogyra condensata [subsp.] flechsigii(Rabenhorst) Hansgirg image
Spirogyra condensata [subsp.] genuina(Kirchner) Hansgirg image
Spirogyra condensata var. flechsigii(Rabenhorst) Rabenhorst image
Spirogyra condensata var. genuinaKirchner image
Spirogyra condensata var. rusbyiWolle image
Spirogyra congolensis_('congolense')Gauthier-Lièvre image
Spirogyra conspicuaF. Gay Mon. loc. Conj.: 91, pl. IV: figs. 5, 6 1884
Spirogyra conspicuaGay image
Spirogyra corrugataTranseau image
Spirogyra corrugataWoodhead & Tweed Biologisch Jaarboek 22: 246, fig. 5 1955
Spirogyra costataKadlubowska image
Spirogyra costulataKadlubowska image
Spirogyra crassa(Kützing) Kützing image
Spirogyra crassa [subsp.] genuina(Kirchner) Hansgirg image
Spirogyra crassa [subsp.] maxima(Hassall) Hansgirg image
Spirogyra crassa f. crassoidea(Transeau) Poljansky image
Spirogyra crassa f. heeriana(Nägeli) Petit image
Spirogyra crassa var. formosaTranseau image
Spirogyra crassa var. genuinaKirchner image
Spirogyra crassa var. heeriana(Nägeli ex Kützing) Kirchner image
Spirogyra crassa var. inaequalis(Wolle) Hansgirg image
Spirogyra crassa var. jassiensisTeodoresco image
Spirogyra crassa var. megaspora(Lagerheim) Hansgirg image
Spirogyra crassispinaJao image
Spirogyra crassiusculaL.J. Bi Oceanol. et Limnol. Sin. 10: 355, pl. I: fig. 3(A,B) 1979
Spirogyra crassiusculaTranseau image
Spirogyra crassivallicularisJao image
Spirogyra crassoidea(Transeau) Transeau image
Spirogyra crenulataR.N. Singh image
Spirogyra croasdaleaeJ.L. Blum image
Spirogyra cryptoptychaNägeli image
Spirogyra cupientisD.G. Vodeničarov & I.K. Kirjakov Fitologiya 31: 3, figs. 1, 2, 12 1986
Spirogyra curvata(C. Agardh) Endlicher image
Spirogyra cylindricaCzurda image
Spirogyra cylindrosperma(W. West & G.S. West) Krieger image
Spirogyra cylindrosporaW. West & G.S. West J. Bot. (London) 35: 42 1897
Spirogyra czurdaeMisra image
Spirogyra czurdianaKadlubowska image
Spirogyra daedalea f. africana(G.S. West) Poljansky image
Spirogyra daedalea f. daedaleoides_('daedaloides')(Czurda) Poljansky image
Spirogyra daedalea f. oudhensis(Randhawa) Poljansky image
Spirogyra daedaleaLagerheim image
Spirogyra daedaleaLagerheim image
Spirogyra daedalea var. jubbulporensis_('jubbulporense')Bhashyakarla Rao image
Spirogyra daedalea var. majorHirn image
Spirogyra daedaleoidesCzurda image
Spirogyra daedaleoides var. lataGauthier-Lièvre image
Spirogyra danicaKadlubowska image
Spirogyra decimina(O.F. Müller) Dumortier image
Spirogyra decimina(O.F. Müller) Leiblein image
Spirogyra decimina(O.F. Müller) Link image
Spirogyra decimina f. circumcissa(Czurda) V.I. Poljansky image
Spirogyra decimina f. communis(Hassall) Poljansky image
Spirogyra decimina f. crassiorGutwinski image
Spirogyra decimina f. crassiorZeller image
Spirogyra decimina f. cylindrospora(J.J. Liang & Wang) J.J. Liang & Wang image
Spirogyra decimina f. elongata_('longata')(Vaucher) V.I. Poljansky image
Spirogyra decimina f. flavicans(Kützing) Petit image
Spirogyra decimina f. fuellebornii_('fuellebornei')(Schmidle) Fritsch & Stephens image
Spirogyra decimina f. juergensii(Kützing) Poljansky image
Spirogyra decimina f. longisporaMisra image
Spirogyra decimina f. olivascens(Rabenhorst) Poljansky image
Spirogyra decimina f. tropicaG.S. West image
Spirogyra decimina var. circumcissa(Czurda) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 42 2015
Spirogyra decimina var. communis(Hassall) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 42 2015
Spirogyra decimina var. crassisporaMeneghini image
Spirogyra decimina var. cylindricosporaLiang & Wang image
Spirogyra decimina var. cylindrospermaW. West & G.S. West image
Spirogyra decimina var. elongata_('longata')(Vaucher) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 43 2015
Spirogyra decimina var. flavicans(Kützing) Kützing image
Spirogyra decimina var. genuinaKirchner image
Spirogyra decimina var. inflataFritsch image
Spirogyra decimina var. juergensii(Kützing) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 43 2015
Spirogyra decimina var. laxaKützing image
Spirogyra decimina var. macrosporaMeneghini image
Spirogyra decimina var. minorMeneghini image
Spirogyra decimina var. oblongaChu Chia Wang image
Spirogyra decimina var. plenaW. West & G.S. West image
Spirogyra decimina var. submarinaCollins image
Spirogyra decimina var. subterrestrisMeneghini image
Spirogyra decimina var. triplicataCollins image
Spirogyra decimina var. triplicataF.S. Collins Rhodora 5: 233 1903
Spirogyra densaKützing image
Spirogyra denticulataTranseau image
Spirogyra dentireticulataJao image
Spirogyra desikacharyensisRattan image
Spirogyra dialydermaY.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 289, pl. II: fig. 3 1979
Spirogyra dicephallaJao & H.Z. Zhu image
Spirogyra dictyospora f. subcylindrospora(Jao) Poljansky image
Spirogyra dictyosporaJao image
Spirogyra dictyospora var. pulchellaBourrelly image
Spirogyra dilutaWood image
Spirogyra dimorphaGeitler image
Spirogyra discoideaTranseau image
Spirogyra discretaTranseau image
Spirogyra distentaTranseau image
Spirogyra diversizygotica(V.I. Poljansky) L.A. Rundina Bot. Zhurn. 76: 295 1991
Spirogyra dixitii f. megaspora(Rao) Poljansky image
Spirogyra dixitii f. melanospora(Randhawa) Poljansky image
Spirogyra dixitiiKrieger image
Spirogyra djalonensisGauthier-Lièvre image
Spirogyra djiliensis_('djiliense')Gauthier-Lièvre image
Spirogyra drilonensisPetkoff image
Spirogyra dubiaKützing image
Spirogyra dubia var. brevisRandhawa image
Spirogyra dubia var. genuinaKirchner image
Spirogyra dubia var. longiarticulataKützing image
Spirogyra dubia var. polymorpha_('polymorphis')Bhashyakarla Rao image
Spirogyra dubia var. reticulataGauthier-Lièvre image
Spirogyra echinataTiffany image
Spirogyra echinosporaJ.L. Blum image
Spirogyra elegansBonhomme image
Spirogyra elegansWollny image
Spirogyra elegantissimaY.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 289, pl. III: fig. 3 1979
Spirogyra ellipsospora f. tenuisR.N. Singh image
Spirogyra ellipsosporaTranseau image
Spirogyra ellipsospora var. crassoideaTranseau image
Spirogyra ellipsospora var. splendida(G. West) Transeau image
Spirogyra ellipticaJao image
Spirogyra ellipticaJao image
Spirogyra ellipticaSkvortzov & Noda image
Spirogyra elongata(Berkeley) Kützing image
Spirogyra elongata(H.C. Wood) H.C. Wood Smithsonian Contrib. Knowl. 19{3}: 164 1873
Spirogyra elongata(Vaucher) Dumortier image
Spirogyra elongata(Vaucher) Meneghini Consp. Alg. Eugan.: 15 1837
Spirogyra elongata(Wood) Wood image
Spirogyra elongata f. rupestris(Schmidle) Poljansky image
Spirogyra elongata var. communis(Hassall) Cooke image
Spirogyra elongata_('longata')(Vaucher) Kützing Phyc. gen.: 279 1843
Spirogyra elongata_('longata')(Vaucher) Leiblein image
Spirogyra emilianensisBonhomme image
Spirogyra emilianensis var. minorChu Chia Wang image
Spirogyra endogranulataO. Bock & W. Bock image
Spirogyra esthonica(Skuja) Czurda image
Spirogyra exilisW. West & G.S. West image
Spirogyra fallax(Hansgirg) Wille image
Spirogyra farlowiiTranseau Ohio J. Sci. 16: 29 1915
Spirogyra fasciata(C. Agardh) Meneghini image
Spirogyra favosaY.-X. Wei & Y.-K. Yung in Wei, Yung, Jackson, & Sawa Canad. J. Bot. 67: 3240, figs. 28, 29, 48, 49 1989
Spirogyra fennicaCedercreutz Acta Soc. Fauna et Flora Fenn. 55{2}: 4, fig. 2 1924
Spirogyra ferrugineaH.W. Liang in H.W. Liang, Y.X. Wei, & H.J. Hu Oceanol. et Limnol. Sin. 10: 178, pl. II: fig. 1 1979
Spirogyra ferrugineaLiang image
Spirogyra fioriniae(Montagne) De Toni image
Spirogyra flavescens(Hassall) Kützing image
Spirogyra flavescens f. flavescensCooke image
Spirogyra flavescens f. gracilis(Hassall) Cooke image
Spirogyra flavescens f. parva(Hassall) Cooke image
Spirogyra flavescens f. parva(Hassall) Poljansky image
Spirogyra flavicansKützing image
Spirogyra flechsigiiRabenhorst image
Spirogyra floridanaTranseau image
Spirogyra fluviatilis f. grossii(Schmidle) Poljansky image
Spirogyra fluviatilis f. ramosa(Svirenko) Poljansky image
Spirogyra fluviatilis f. tibesticaGauthier-Lièvre image
Spirogyra fluviatilisHilse image
Spirogyra fluviatilis var. africanaFritsch image
Spirogyra fluviatilis var. grossii(Schmidle) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 46 2015
Spirogyra fluviatilis var. hoggaricaGauthier-Lièvre image
Spirogyra fluviatilis var. majorP. Dangeard image
Spirogyra fluviatilis var. minorP. Dangeard image
Spirogyra fluviatilis var. ramosa(Svirenko) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 46 2015
Spirogyra formosa(Transeau) Czurda image
Spirogyra fossaJao image
Spirogyra fossicolaJao & Chian image
Spirogyra fossulataC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 201, pl. III: figs. 8, 9 1978
Spirogyra fossulataJao & Hu image
Spirogyra foveolata(Transeau) Czurda image
Spirogyra fragilis f. minorLey image
Spirogyra fragilisJao image
Spirogyra fragilis var. dacchensis_('dacchense')Islam image
Spirogyra franconicaO. Bock & W. Bock image
Spirogyra franklinianaTiffany image
Spirogyra frigida f. arta(Jao) Jao image
Spirogyra frigidaF. Gay Mon. loc. Conj.: 90, pl. IV: fig. 4 1884
Spirogyra frigida f. maxima(H.J. Chu & W.J. Chu) Jao image
Spirogyra frigidaGay image
Spirogyra fritschianaCzurda image
Spirogyra fuellebornii f. crassaBhashyakarla Rao image
Spirogyra fuellebornii var. crassaM. Gupta & D.C. Pandey image
Spirogyra fuellebornii_('Füllebornei')Schmidle Bot. Jahrb. 32: 76, pl. III: fig. 2 1902
Spirogyra fuellebornii_('Füllebornei')Schmidle image
Spirogyra fukienicaWei image
Spirogyra fukienicaY.X. Wei in H.W. Liang, Y.X. Wei, & H.J. Hu Oceanol. et Limnol. Sin. 10: 179, pl. II: fig. 6 1979
Spirogyra fuscoatra_('fusco-atra')Rabenhorst image
Spirogyra fuzhouensisH.J. Hu in H.W. Liang, Y.X. Wei, & H.J. Hu Oceanol. et Limnol. Sin. 10: 179, pl. II: figs. 4, 5 1979
Spirogyra fuzhouensisHu image
Spirogyra gabonensisGauthier-Lièvre image
Spirogyra gallicaPetit image
Spirogyra gallica var. bichromatophoraRandhawa image
Spirogyra gastroidesKützing image
Spirogyra gastunensisSchiller image
Spirogyra gauthier-lievreae_('Gauthier-Lièvrae')J.Z. Kadłubowska Flora Słodkowodna Polski 12A: 415 1972
Spirogyra gauthieriGayral image
Spirogyra gharbensisGauthier-Lièvre image
Spirogyra ghoseiR.N. Singh image
Spirogyra gibberosa f. dissimilis(Liu) Liu Lian image
Spirogyra gibberosa f. minorJao image
Spirogyra gibberosaJao image
Spirogyra giganticaHill image
Spirogyra glabraCzurda image
Spirogyra globulispora f. ellipsoideaCompère image
Spirogyra globulisporaGauthier-Lièvre image
Spirogyra goetzeiSchmidle image
Spirogyra gracilis [subsp.] flavescens(Hassall) Hansgirg image
Spirogyra gracilis [subsp.] longiarticulata(Hilse) Hansgirg image
Spirogyra gracilis [subsp.] parva(Hassall) Hansgirg image
Spirogyra gracilis f. gibberosa(Jao) Poljansky image
Spirogyra gracilisKützing Sp. alg.: 438 1849
Spirogyra gracilisKützing image
Spirogyra gracilis subsp. genuina(Kirchner) Hansgirg image
Spirogyra gracilis var. abyssinicaLagerheim image
Spirogyra gracilis var. flavescens(Hassall) Rabenhorst image
Spirogyra gracilis var. genuinaKirchner image
Spirogyra gracilis var. longiarticulataHilse image
Spirogyra gracilis var. magna_('magnum')Dixit image
Spirogyra gracilis var. parva(Hassall) Kirchner image
Spirogyra gracillimaSkvortzov & Noda image
Spirogyra gracillimaSkvortzov image
Spirogyra granulataJao image
Spirogyra gratianaE.N. Transeau image
Spirogyra grevilleana(Hassall) Kützing Sp. alg.: 438 1849
Spirogyra grevilleana(Hassall) Kützing image
Spirogyra grevilleana f. diducta(Hassall) Petit image
Spirogyra grevilleana var. australisPlayfair image
Spirogyra grevilleana var. olivascens(Rabenhorst) Petit image
Spirogyra groenlandicaRosenvinge image
Spirogyra grossiiSchmidle in Gross & Kneucker Allg. Bot. Z. 7: 101, fig. p. 101 1901
Spirogyra guineensis_('guineense')Gauthier-Lièvre image
Spirogyra gujaratensisKamat image
Spirogyra gujaratensis var. oryzaeS.C. Santra & U.C. Pal Phykos 30: 78, figs. 5, 6 1992
Spirogyra gurdaspurensisRattan image
Spirogyra haimenensisJao image
Spirogyra hantzschiiRabenhorst image
Spirogyra hartigii(Kützing) De Toni image
Spirogyra hassallii(Hassall) Crouan frat. image
Spirogyra hassallii var. austriacaHansgirg image
Spirogyra hatillensisTranseau image
Spirogyra hatillensis var. kolhapurensisKamat image
Spirogyra heeriana f. ucrainica(Smirnoff) Poljansky image
Spirogyra heerianaNägeli ex Kützing image
Spirogyra heeriana var. ucrainica(Smirnoff) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 48 2015
Spirogyra henanensis(Bi) Bi Liejiu image
Spirogyra herbipolensisO. Bock & W. Bock image
Spirogyra hoehneiBorge image
Spirogyra hoehnei var. robustaNygaard image
Spirogyra hoggarica(Gauthier-Lièvre) Gauthier-Lièvre image
Spirogyra hollandiaTaft image
Spirogyra holstiiHieronymus image
Spirogyra hopeiensisJae image
Spirogyra hornschuchiiH. Karsten image
Spirogyra hornschuchiiKersten image
Spirogyra hsinganicaSkvortzov & Noda image
Spirogyra hsinganicaSkvortzov image
Spirogyra huiLi image
Spirogyra hunanensisJao image
Spirogyra hungaricaLanger image
Spirogyra hungarica var. cracoviensisPalik image
Spirogyra hyalinaCleve image
Spirogyra hydrodictyaTranseau image
Spirogyra hymeraeBritton & Smith image
Spirogyra illinoiensisTranseau image
Spirogyra inaequalis(Hassall) Kützing image
Spirogyra inaequalis var. elongataSuringar image
Spirogyra incertaSkvortzov & Noda image
Spirogyra incertaSkvortzov image
Spirogyra inconstansCollins image
Spirogyra inconstansCollins image
Spirogyra inconstansF.S. Collins Tufts Coll. Stud. (Sci.) 3: 73, no figs. 1912
Spirogyra incrassataCzurda image
Spirogyra indicaKrieger image
Spirogyra inflata(Vaucher) Dumortier image
Spirogyra inflata(Vaucher) Kützing image
Spirogyra inflata var. abbreviataKirchner image
Spirogyra inflata var. alsiophilaSkuja image
Spirogyra inflata var. australisThérézien & Couté image
Spirogyra inflata var. foveolataTranseau image
Spirogyra inflata var. genuinaKirchner image
Spirogyra insignis(Hassall) Kützing image
Spirogyra insignis f. conjunctiva-elongata_('conjunctiva: elongata') "Suringar" image
Spirogyra insignis f. rectangularis(Transeau) Poljansky image
Spirogyra insignis f. wangii_('wangi')(Li) Poljansky image
Spirogyra insignis var. braunii(Rabenhorst) Rabenhorst image
Spirogyra insignis var. elongataSuringar image
Spirogyra insignis var. fallaxHansgirg image
Spirogyra insignis var. forsteriSchmidle Ber. Deutsch. Bot. Ges. 11: 546 1894
Spirogyra insignis var. genuinaKirchner image
Spirogyra insignis var. hantzschii(Rabenhorst) Petit image
Spirogyra insignis var. hantzschii(Rabenhorst) Rabenhorst image
Spirogyra insignis var. nordstedtiiTeodoresco image
Spirogyra intermediaRabenhorst image
Spirogyra intermedia var. ligusticaPiccone & De Notaris image
Spirogyra intortaJao image
Spirogyra ioniaWade image
Spirogyra irregularisNägeli ex Kützing image
Spirogyra ivorensisGauthier-Lièvre image
Spirogyra iyengariiJ.Z. Kadłubowska Flora Słodkowodna Polski 12A: 415 1972
Spirogyra jaoensis_('Jaoense')Randhawa image
Spirogyra jaoiLey image
Spirogyra jassiensis(Teodoresco) Czurda image
Spirogyra jatobaeE.N. Transeau image
Spirogyra jenneri(Hassall) Crouan frat. image
Spirogyra jogensisIyengar image
Spirogyra jogensis var. minorIyengar J. Ind. Bot. Soc. 37: 390, text-figs. 13-21 1958
Spirogyra juergensii f. inflataL.J. Bi Oceanol. et Limnol. Sin. 10: 359, pl. II: fig. 4 1979
Spirogyra juergensiiKützing image
Spirogyra juergensii var. tenuiorKützing image
Spirogyra juergensii_('Jürgensii')Kützing Phyc. germ.: 222 1845
Spirogyra jugalis(O.F. Müller) Kützing image
Spirogyra jugalis f. minorVirioux image
Spirogyra julianaR. Stancheva, J.D. Hall, R. McCourt & R. Sheath J. Phycol. 49: 600, fig. 7, E-K 2013
Spirogyra kaffiritaTranseau image
Spirogyra kamatiiJ.Z. Kadłubowska Flora Słodkowodna Polski 12A: 415 1972
Spirogyra karnalaeRandhawa image
Spirogyra kolaeHaidu image
Spirogyra kolhapurensisKamat image
Spirogyra koreanaJ.-H. Kim, Y.H. Kim, & I.K. Lee Algae 18: 253 2003
Spirogyra krubergiiPoljansky image
Spirogyra kundaensisR.N. Singh image
Spirogyra kurzii(Zeller) De Toni image
Spirogyra kuusamoensis f. skujaensisPoljansky image
Spirogyra kuusamoensisHirn image
Spirogyra kwangtungensisLey image
Spirogyra labbeiGauthier-Lièvre image
Spirogyra labyrinthicaTranseau image
Spirogyra lacustrisCzurda image
Spirogyra lacustris f. tenuisMisra image
Spirogyra lagerheimii f. breviarticulataWittrock image
Spirogyra lagerheimii f. obovata(Jao) Poljansky image
Spirogyra lagerheimiiWittrock image
Spirogyra lambertianaTranseau image
Spirogyra lamellata(Rao) Krieger image
Spirogyra lamellosaJao image
Spirogyra lapponicaLagerheim image
Spirogyra latireticulaY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 290, pl. I: figs. 11, 12 1979
Spirogyra latviensisCzurda image
Spirogyra laxaKützing image
Spirogyra laxa var. variabilisChu Chia Wang image
Spirogyra laxistrataJao image
Spirogyra lenticularisE.N. Transeau image
Spirogyra lentiformisL.J. Bi Oceanol. et Limnol. Sin. 10: 356, pl. I: fig. 4 1979
Spirogyra lianaTranseau image
Spirogyra libycaGauthier-Lièvre image
Spirogyra lineata f. tenuiorNordstedt image
Spirogyra lineataSuringar image
Spirogyra lineata var. brasiliensisNordstedt image
Spirogyra lismorensisPlayfair image
Spirogyra litoreaZanardini Flor. venet. prodr.: 38 1847
Spirogyra littorea(Lyngbye) Meneghini ined. image
Spirogyra lodziensisJ.Z. Kadlubowska Fragm. Floristic. Geobot. 20: 126, figs. 1-6 1974
Spirogyra longata(Vaucher) Kützing image
Spirogyra longata [subsp.] elongataHansgirg image
Spirogyra longata [subsp.] reversa(Hassall) Hansgirg image
Spirogyra longata f. inaequalisAlten image
Spirogyra longata f. majorSilfvenius image
Spirogyra longata f. reversa(Hassall) Alten image
Spirogyra longata subsp. genuina(Kirchner) Hansgirg image
Spirogyra longata var. elongataRabenhorst image
Spirogyra longata var. genuinaKirchner image
Spirogyra longata var. punctuliferaLagerheim image
Spirogyra longata var. reversa(Hassall) Kirchner image
Spirogyra longata var. turpis(Kützing) Cooke image
Spirogyra longifissaWei image
Spirogyra longifissaY.X. Wei in H.W. Liang, Y.X. Wei, & H.J. Hu Oceanol. et Limnol. Sin. 10: 178, pl. II: figs. 2, 3 1979
Spirogyra longisporaSchmidle image
Spirogyra loskosiana(Rabenhorst) De Toni image
Spirogyra lubrica(Roth) Kützing image
Spirogyra lubricaKützing Phyc. Germ.: 223 1845
Spirogyra lushanensisLi image
Spirogyra luteosporaCzurda image
Spirogyra lutetianaP. Petit image
Spirogyra lutetiana var. minorW. West image
Spirogyra machrisianaPrescott Los Angeles County Mus. Contr. Sci. 11: 7, pl. 3: figs. 14-16 1957
Spirogyra macrospora(C.B. Rao) H. Krieger Verh. Bot. Vereins Prov. Brandenburg 81: 177 1941
Spirogyra maghrebianaGauthier-Lièvre image
Spirogyra magna(Dixit) Krieger image
Spirogyra majorKützing image
Spirogyra majuscula [subsp.] brachymeres(Stizenberger) Hansgirg image
Spirogyra majuscula f. minorWittrock & Nordstedt ex De Toni Syll. Alg. 1: 756 1889
Spirogyra majusculaKützing image
Spirogyra majuscula subsp. genuina(Kirchner) Hansgirg image
Spirogyra majuscula var. brachymeresStizenberger image
Spirogyra majuscula var. brachymeresStizenberger image
Spirogyra majuscula var. genuinaKirchner image
Spirogyra majuscula var. inflataKamat image
Spirogyra majuscula var. minorWittrock image
Spirogyra majuscula var. subballisWittrock ined. image
Spirogyra malmeanaHirn image
Spirogyra malmeana var. mattonensis_('mattonense')Misra image
Spirogyra malmeana var. minorSchmidle image
Spirogyra malmeana var. verrucosaC.B. Rao image
Spirogyra manoramaeRandhawa image
Spirogyra maravillosaE.N. Transeau image
Spirogyra marchicaH. Krieger Verh. Bot. Vereins Prov. Brandenburg 81: 177, figs. 13, 14 1941
Spirogyra marchicaKrieger image
Spirogyra margaritata f. kurzeVenkataraman image
Spirogyra margaritata var. microsporaSingh image
Spirogyra margaritataWollny image
Spirogyra marocanaGauthier-Lièvre image
Spirogyra mattonensis_('mattonense')(Misra) Krieger image
Spirogyra maxima(Hassall) Wittrock image
Spirogyra maxima f. cupientis(D.G. Vodeničarov & I.K. Kirjakov) L.A. Rundina Bot. Zhurn. 76: 295 1991
Spirogyra maxima f. livida(Vailionis) Poljansky image
Spirogyra maxima f. megasporaLagerheim image
Spirogyra maxima f. tenuior(Magnus & Wille) Poljansky image
Spirogyra maxima f. tenuisGauthier-Lièvre image
Spirogyra maxima f. woronichiniiPoljansky image
Spirogyra maxima f. woronichiniiV.I. Poljansky Bot. Mater. Bot. Inst. Akad. Nauk SSSR, Spor. Rast. 12: 141 1959
Spirogyra maxima var. inaequalis(Wolle) Nordstedt & Wittrock image
Spirogyra maxima var. inaequalis(Wolle) Wolle image
Spirogyra maxima var. indicaM. Gupta & D.C. Pandey image
Spirogyra maxima var. minorMöbius image
Spirogyra maxima var. minorMöbius image
Spirogyra maxima var. tenuior(Magnus & Wille) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 51 2015
Spirogyra maxima var. woronichinii(V.I. Poljansky) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 51 2015
Spirogyra megasporaTranseau image
Spirogyra meridionalisW.J. Zhu & Zhong image
Spirogyra miamianaTaft image
Spirogyra microdictyonC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 202, pl. IV: figs. 1, 2 1978
Spirogyra microgranulataJao image
Spirogyra micropunctataTranseau image
Spirogyra microsporaJao image
Spirogyra mienningensisLi image
Spirogyra mienningensisLi image
Spirogyra mingianaSkvortzov & Noda image
Spirogyra mingianaSkvortzov image
Spirogyra minor(Schmidle) Transeau image
Spirogyra minor var. kokiuensisChian image
Spirogyra minuticrassispinaT. Takano & H. Sakayama in Takano et al. Phycologia 61: 434, figs. 2, 10-16 2022
Spirogyra minuticrassoideaYamagishi image
Spirogyra minutifossaJao image
Spirogyra minutipunctataHoek image
Spirogyra mirabilis f. majorB. Tracanna Opera Lilloana 35: 94, 127, pl. 41: figs. 3, 4 1985
Spirogyra mirabilisKützing Sp. alg.: 439 1849
Spirogyra mirabilisKützing image
Spirogyra mirabilis var. flavescens(Hassall) Rabenhorst image
Spirogyra mirabilis var. gracilis(Hassall) Rabenhorst image
Spirogyra mirabilis var. inaequalis image
Spirogyra mirabilis var. inaequalisRabenhorst Alg. Eur. Dec. 109/110: 1050 1861
Spirogyra mirabilis var. inaequalisSprée image
Spirogyra mirabilis var. maharastrensisKamat image
Spirogyra mirabilis var. microsporaBeck-Mannagetta image
Spirogyra mirandaKadlubowska image
Spirogyra mirificaY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 291, pl. III: figs. 6, 7 1979
Spirogyra mithalaensisA.M. Verma & B. Kumari Indian Bot. Reporter 8: 12, figs. 1, 2 1989
Spirogyra moebiiTranseau image
Spirogyra mongolicaSkvortzov & Noda image
Spirogyra mongolicaSkvortzov image
Spirogyra monodianaGauthier-Lièvre image
Spirogyra montserratii_('montserrati')Margalef image
Spirogyra multiconjugataN.C. Ferrer & E.J. Cáceres Algol. Stud. 128: 3, figs. 1-17 2008
Spirogyra multitrataY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 290, pl. II: figs. 5, 6 1979
Spirogyra mutabilisJao & Hu Hongjun image
Spirogyra naegeliiKützing image
Spirogyra nankinensisWang image
Spirogyra narcissianaTranseau image
Spirogyra natchitaTranseau image
Spirogyra nawaschiniiKasanowsky image
Spirogyra nawaschinii_('Nawaschini')Kasanowsky Ber. Deutsch. Bot. Ges. 31: 59, pl. III 1913
Spirogyra necopinataMargalef image
Spirogyra neglecta(Hassall) Kützing image
Spirogyra neglecta f. columbiana(Czurda) L.A. Rundina Bot. Zhurn. 76: 295 1991
Spirogyra neglecta f. fuellebornei_('fuellebornii')(Schmidle) V.I. Poljansky image
Spirogyra neglecta f. tenuisBhashyakarla Rao image
Spirogyra neglecta f. varians(Singh) Poljansky image
Spirogyra neglecta var. amylaccaPlayfair image
Spirogyra neglecta var. fuellebornii_('fuellebornei')(Schmidle) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 52 2015
Spirogyra neglecta var. intermediaPetkoff image
Spirogyra neglecta var. pseudoternataFritsch & Rich image
Spirogyra neglecta var. ternata(Ripart) W. West & G.S. West image
Spirogyra neorhizobrachilisJao & Zhong Heng image
Spirogyra nigericaGauthier-Lièvre image
Spirogyra nitida(Dillwyn) Link image
Spirogyra nitida(O. F. Müller) Dumortier image
Spirogyra nitida(O.F. Müller) Leiblein image
Spirogyra nitida f. majorDe Toni Syll. Alg. 1: 750 1889
Spirogyra nitida f. majorWittrock & Nordstedt image
Spirogyra nitida f. paradoxa(Rao) Poljansky image
Spirogyra nitidaKützing image
Spirogyra nitida var. atro-violacea(Martens) De Toni image
Spirogyra nitida var. densa(Kützing) Rabenhorst image
Spirogyra nitida var. densaPetit image
Spirogyra nitida var. mayondonensisMartinez image
Spirogyra nitida var. microsporaVenkataraman image
Spirogyra nodiferaO. Bock & W. Bock image
Spirogyra nodosaKützing image
Spirogyra nodosaKützing image
Spirogyra notabilisC.E. Taft Ohio J. Sci. 44: 238, no fig. 1944
Spirogyra notabilisTaft image
Spirogyra nova-angliaeTranseau image
Spirogyra nyassaeSchmidle image
Spirogyra nyetigamaE.N. Transeau image
Spirogyra oblataC.C. Jao image
Spirogyra oblongataKützing image
Spirogyra obovataJao image
Spirogyra occidentalis(Transeau) Czurda image
Spirogyra occidentalis f. striata(Bourrelly & Manguin) Poljansky image
Spirogyra occidentalis var. striataBourrelly image
Spirogyra oligocarpaJao image
Spirogyra olivascensRabenhorst Algen Sachsens [exsicc.]: 19/20: 185 1852
Spirogyra ollicolaJao & Zhong Heng image
Spirogyra oltmannsii_('oltmannsi')Huber-Pestalozzi image
Spirogyra orariaDupray image
Spirogyra orbicularis(Hassall) Kützing image
Spirogyra orbicularis f. tenuiorMagnus & Wille in Wille Bih. K. Svenska Vet.-Akad. Handl. 8{18}: 34, no fig. 1884
Spirogyra orientalisW. West & G.S. West image
Spirogyra orthospira f. purpureaCollins image
Spirogyra orthospira f. purpureaCollins image
Spirogyra orthospira f. purpureaF.S. Collins in Collins, Holden, & Setchell Phyc. Bor.-Amer.: 1771 1911
Spirogyra orthospiraNägeli ex Kützing image
Spirogyra orthospira var. spiralisNägeli image
Spirogyra oryzetorumSkvortzov & Noda image
Spirogyra oryzetorumSkvortzov image
Spirogyra ouarsenicaGauthier-Lièvre image
Spirogyra oudhensisRhandawa image
Spirogyra ovigeraMontagne image
Spirogyra pachydermaGauthier-Lièvre image
Spirogyra palghatensisErady image
Spirogyra pallidaG. Dickie image
Spirogyra paludosaCzurda image
Spirogyra papulata f. minorJao image
Spirogyra papulataJao image
Spirogyra paradoxaBhashyakarla Rao image
Spirogyra paraguayensisBorge image
Spirogyra paraguayensis f. rhizobrachialis(Jao) Poljansky image
Spirogyra parva(Hassall) Kützing image
Spirogyra parvisporaWood image
Spirogyra parvula(Transeau) Czurda image
Spirogyra pascherianaCzurda image
Spirogyra patliputriA.M. Verma & B. Kumari Indian Bot. Reporter 8: 13, figs. 3, 4 1989
Spirogyra peipingensisJao image
Spirogyra peipingensis var. occidentalisB. Tracanna Opera Lilloana 35: 94, 127, pl. 41: figs. 11, 12 1985
Spirogyra pellucida(Hassall) Kützing image
Spirogyra pellucida f. minor(Tiffany) Poljansky image
Spirogyra pellucida f. sphaerospora(Hirn) Poljansky image
Spirogyra pellucida var. minorTiffany image
Spirogyra peregrinaBonhomme image
Spirogyra perforansTranseau image
Spirogyra petitianaTranseau image
Spirogyra plena(W. West & G.S. West) Czurda image
Spirogyra poljanskyi_('poljanskii')J.Z. Kadłubowska Flora Słodkowodna Polski 12A: 245, 415 1972
Spirogyra polymorphaKirchner image
Spirogyra polytaeniataStrasburger image
Spirogyra porangabaeE.N. Transeau image
Spirogyra porticalis(O. F. Müller) Cleve image
Spirogyra porticalis(O. F. Müller) Dumortier image
Spirogyra porticalis [subsp.] genuinaHansgirg image
Spirogyra porticalis [subsp.] juergensii(Kützing) Hansgirg image
Spirogyra porticalis f. cylindrosperma(W. West & G.S. West) Poljansky image
Spirogyra porticalis f. minorCollins image
Spirogyra porticalis f. minorF.S. Collins in Collins, Holden, & Setchell Phyc. Bor.-Amer.: 1263 1905
Spirogyra porticalis var. africanaG.S. West image
Spirogyra porticalis var. decimina(O. F. Müller) Cooke image
Spirogyra porticalis var. juergensii(Kützing) De Toni image
Spirogyra porticalis var. quinina(O. F. Müller) Cooke image
Spirogyra porticalis var. rivularis(Hassall) Cooke image
Spirogyra porticalis var. tenuispiraCollins image
Spirogyra porticalis var. tenuispiraCollins image
Spirogyra pratensis f. fennica(Cedercreutz) Poljansky image
Spirogyra pratensis f. minor(Woronichin) Poljansky image
Spirogyra pratensisTranseau image
Spirogyra pratensis var. minorWoronichin image
Spirogyra prescottiiTranseau image
Spirogyra princeps(Vaucher) Link ex Meyen image
Spirogyra proavitaLanger image
Spirogyra prolificaKamat image
Spirogyra propriaTranseau image
Spirogyra protecta var. inflataFritsch & Rich image
Spirogyra protecta var. latviensisSkuja image
Spirogyra protectaWood image
Spirogyra pseudo-juergensiiH. Silva image
Spirogyra pseudocorrugataGauthier-Lièvre image
Spirogyra pseudocylindricaPrescott image
Spirogyra pseudodaedaloidesKadlubowska image
Spirogyra pseudodeciminaO. Bock & W. Bock image
Spirogyra pseudofloridanaPrescott image
Spirogyra pseudogibberosaGauthier-Lièvre image
Spirogyra pseudogranulataLey image
Spirogyra pseudomajusculaGauthier-Lièvre image
Spirogyra pseudomaximaKadlubowska image
Spirogyra pseudonaegeliiSkvortzov & Noda image
Spirogyra pseudonaegeliiSkvortzov image
Spirogyra pseudoneglectaCzurda image
Spirogyra pseudoneglectaGauthier-Lièvre image
Spirogyra pseudoneglectaGauthier-Lièvre Beih. Nova Hedwigia 20: 146, 197, pl. LI: fig. A 1965
Spirogyra pseudoneglectaMargalef image
Spirogyra pseudonodiferaO. Bock & W. Bock image
Spirogyra pseudoreticulataKrieger image
Spirogyra pseudorhizopusL.J. Bi Oceanol. et Limnol. Sin. 10: 356, pl. I: fig. 5(A-C) 1979
Spirogyra pseudosahniiKadlubowska image
Spirogyra pseudospreeianaJao image
Spirogyra pseudosubreticulataRickert & Hoshaw image
Spirogyra pseudotenuissimaO. Bock & W. Bock image
Spirogyra pseudotetraplaKadlubowska image
Spirogyra pseudotexensisBourrelly image
Spirogyra pseudovariansCzurda image
Spirogyra pseudoweberiWang image
Spirogyra pseudowoodsiiPoljansky image
Spirogyra pulchella(H.C. Wood) H.C. Wood Smithsonian Contrib. Knowl. 19{3}: 164 1873
Spirogyra pulchella(Wood) Wood image
Spirogyra pulchrifigurataJao image
Spirogyra punctataCleve image
Spirogyra punctata f. esthonica(Skuja) Poljansky image
Spirogyra punctataPetit image
Spirogyra punctata var. esthonicaSkuja image
Spirogyra punctata var. majorHirn image
Spirogyra punctata var. tenuiorMoebius image
Spirogyra puncticulataJao image
Spirogyra punctiformisTranseau image
Spirogyra punctulataC.C. Jao image
Spirogyra punctulata f. cylindrospora(W. West & G.S. West) L.A. Rundina Bot. Zhurn. 76: 295 1991
Spirogyra punctulata f. macrospora(C.C. Jao) L.A. Rundina Bot. Zhurn. 76: 295 1991
Spirogyra punctulata var. macrosporaC.C. Jao Sinensia 10: 155 1939
Spirogyra punctulata var. macrosporaJao image
Spirogyra quadrata(Hassall) Petit image
Spirogyra quadrata f. bifasciata(Kirchner) De Toni image
Spirogyra quadrata f. tenuiorDe Toni image
Spirogyra quadrata var. bifasciataKirchner image
Spirogyra quadrata var. genuinaKirchner image
Spirogyra quadrata var. mirabilisChodat image
Spirogyra quadrilaminataJao image
Spirogyra quezeliiGauthier-Lièvre image
Spirogyra quilonensisKothari image
Spirogyra quinina(C. Agardh) Leiblein image
Spirogyra quinina(O. F. Müller) Dumortier image
Spirogyra quinina(O. F. Müller) Link image
Spirogyra quinina(O. F. Müller) Link ex Meyen image
Spirogyra quinina var. alpinaBrügger image
Spirogyra quinina var. genuinaKirchner image
Spirogyra quinina var. inaequalisNägeli ex Kützing image
Spirogyra quinina var. juergensii(Kützing) Kirchner image
Spirogyra quinquilaminataJao image
Spirogyra ramosaSvirenko Arch. Hydrobiol. Suppl. 6: 762, pl. 24: figs. 14-16 1941
Spirogyra randhawaeKrieger image
Spirogyra rectangularisTranseau image
Spirogyra rectispiraMerriman image
Spirogyra reflexaTranseau image
Spirogyra regularis(Cedercreutz) H. Krieger Verh. Bot. Vereins Prov. Brandenburg 81: 178 1941
Spirogyra regularis(Cedercreutz) Krieger image
Spirogyra regularis(Cedercreutz) Transeau image
Spirogyra reinhardiiChmielevsky image
Spirogyra reinhardii var. africanaFritsch & Rich image
Spirogyra reticulata f. acanthophora(Skuja) Poljansky image
Spirogyra reticulata f. cylindrospora(Liu) Liu Lian image
Spirogyra reticulata f. czurdaePoljansky image
Spirogyra reticulata f. nawaschinii(Kasanowsky) Poljansky image
Spirogyra reticulata f. regularis(Cedercreutz) Poljansky image
Spirogyra reticulataNordstedt image
Spirogyra reticulata var. acanthophora(Skuja) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 56 2015
Spirogyra reticulata var. nawaschinii_('nawaschini')(Kasanowsky) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 56 2015
Spirogyra reticulata var. regularisCedercreutz Acta Soc. Fauna et Flora Fenn. 55{2}: 3, fig. 1 1924
Spirogyra reticulianaRandhawa image
Spirogyra rhizobrachialisJao image
Spirogyra rhizoidesRandhawa image
Spirogyra rhizopusC.C. Jao image
Spirogyra rickertiiJ.Z. Kadłubowska Flora Słodkowodna Polski 12A: 409, 415, figs. 1586, 1587 1972
Spirogyra rivularis(Hassall) Kützing image
Spirogyra rivularis f. minor(Hansgirg) Poljansky image
Spirogyra rivularisRabenhorst ex De Toni image
Spirogyra rivularis var. minorHansgirg image
Spirogyra robusta(Nygaard) Czurda image
Spirogyra rotundisporaSkvortzov & Noda image
Spirogyra rotundisporaSkvortzov image
Spirogyra rugosa(Transeau) Czurda image
Spirogyra rugulosaIvanov image
Spirogyra rugulosaIwanoff image
Spirogyra rugulosa var. africanaFritsch & Rich image
Spirogyra rupestrisSchmidle image
Spirogyra sahniiRandhawa image
Spirogyra salinaAleem image
Spirogyra salmonisporaN.C. Ferrer & E.J. Caceres Arch. Protistenk. 146: 103, figs. 1-15 1995
Spirogyra sanjingensisY. Wang & Z. Wang Journal of Wuhan Botanical Research 3: 145, fig. 1 1985
Spirogyra sarmae_('sarmaii')M. Singh & M. Srivastava image
Spirogyra sarmae_(`sarmaii')M. Singh & M. Srivastava Phykos 35: 39, figs. 1-4 1997
Spirogyra schmidtii var. crassiusculaMargalef image
Spirogyra schmidtiiW. West & G.S. West image
Spirogyra schweickerdtiiCholnoky image
Spirogyra scriptaNygaard image
Spirogyra scrobiculata(Stockmayer) Czurda image
Spirogyra scrobiculata var. inflataBhashyakarla Rao image
Spirogyra sculptaGauthier-Lièvre image
Spirogyra semiornataJao image
Spirogyra senegalensisGauthier-Lièvre image
Spirogyra sericeaZanardini Flor. venet. prodr.: 38 1847
Spirogyra setiformis(Roth) Martens image
Spirogyra setiformis f. diversizygoticaPoljansky image
Spirogyra setiformis f. diversizygoticaV.I. Poljansky Bot. Mater., Spor. Rast., Bot. Inst. Akad. Nauk SSSR 7: 88, figs. 4, 5 1951
Spirogyra setiformis f. margaritata(Wollny) Poljansky image
Spirogyra setiformis f. minorMagnus & Wille image
Spirogyra setiformisKützing image
Spirogyra setiformis var. inequalisWolle image
Spirogyra setiformis var. majorBiswas image
Spirogyra setiformis var. majorK. Biswas image
Spirogyra setiformis var. maximaHa Bhashyakarla Rao image
Spirogyra shantungensisLi image
Spirogyra shanxiensis var. henanensisL.J. Bi Oceanol. et Limnol. Sin. 10: 359, pl. III: fig. 2 1979
Spirogyra shanxiensisY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 292, pl. II: fig. 2 1979
Spirogyra siamensisTranseau image
Spirogyra siamensis var. polymorpha_('polymorphis')Rattan image
Spirogyra sibiricaSkvortzov image
Spirogyra silesiacaKadlubowska image
Spirogyra silvicolaM.E. Britton image
Spirogyra sinensisL.U. Li image
Spirogyra singhiiKrieger image
Spirogyra singularis f. ventricosaVenkataraman image
Spirogyra singularisNordstedt image
Spirogyra singularisNordstedt image
Spirogyra singularis var. maiorKamat image
Spirogyra sinhaensisM. Srivastava image
Spirogyra sinhana_('sinhaensis')M. Srivastava Phykos 23: 144, fig. 1 1984
Spirogyra sirogonioidesE.O. Hughes image
Spirogyra sirogonioidesHughes image
Spirogyra skujae f. lushanensis(Li) Poljansky image
Spirogyra skujaeRandhawa image
Spirogyra skvortzowiiKrieger image
Spirogyra smithiiTranseau image
Spirogyra sphaerica(Misra) Krieger image
Spirogyra sphaerocarpaJao image
Spirogyra sphaerosporaHirn image
Spirogyra splendidaG.S. West image
Spirogyra spreeana_('spreeiana')Rabenhorst image
Spirogyra spreeiana f. minorLey image
Spirogyra spreeianaRabenhorst image
Spirogyra spreeiana var. crassaBhashyakarla Rao image
Spirogyra spreeiana var. kashiensisVenkataraman image
Spirogyra spreeiana var. kashmirensisMisra image
Spirogyra stagnalisHilse image
Spirogyra stictica(J.E. Smith) Wille image
Spirogyra stictica f. tenuior(Transeau) Poljansky image
Spirogyra stictica f. tenuior(Transeau) V.I. Poljansky Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 1966: 92 1966
Spirogyra stictica var. minorPignatti image
Spirogyra stictica var. tenuiorNordstedt in Transeau Ohio J. Sci. 34: 420 1934
Spirogyra striataKlein image
Spirogyra subaequaKützing image
Spirogyra subaequa var. condensataKützing image
Spirogyra subaffinisFritsch & Rich image
Spirogyra subartaJao image
Spirogyra subcolligataL.J. Bi Oceanol. et Limnol. Sin. 10: 357, pl. II: fig. 1 1979
Spirogyra subcrassaWoronichin image
Spirogyra subcrassiusculaBi image
Spirogyra subcylindrospora f. major(Bi) Bi Liejiu image
Spirogyra subcylindrosporaJao image
Spirogyra subcylindrospora var. africanaGauthier-Lièvre image
Spirogyra subcylindrospora var. majorL.J. Bi Oceanol. et Limnol. Sin. 10: 360, pl. III: fig. 3 1979
Spirogyra subechinataGodward image
Spirogyra subfossulataJao image
Spirogyra subfragilisIslam image
Spirogyra subglabraY.M. Zheng & Y.J. Ling in Y.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 292, pl. II: fig. 7 1979
Spirogyra sublambertianaZhao Xiongfei image
Spirogyra sublamellataIslam image
Spirogyra subluteosporaC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 202, pl. IV: figs. 3, 4 1978
Spirogyra submajusculaY.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 293, pl. III: figs. 4, 5 1979
Spirogyra submargaritataGodward image
Spirogyra submarina(Collins) Transeau image
Spirogyra submarina(Collins) Transeau Ohio J. Sci. 16: 25 1915
Spirogyra submarinaP. Crouan & H. Crouan in Mazé Hydrophytes Guyane Franc\*,.: 12 1868
Spirogyra submaxima f. lamellata(Bhashyakarla Rao) Poljansky image
Spirogyra submaxima f. major(Skvortzov) Poljansky image
Spirogyra submaxima f. mongolica(Skvortzov) Poljansky image
Spirogyra submaxima f. oryzetorum(Skvortzov) Poljansky image
Spirogyra submaximaTranseau image
Spirogyra submaxima var. inflataRandhawa image
Spirogyra submaxima var. lamellataBhashyakarla Rao image
Spirogyra subovataChian image
Spirogyra subpapulataJao image
Spirogyra subpapulata var. reticulosaChian image
Spirogyra subpellucidaJao image
Spirogyra subpolytaeniataJao image
Spirogyra subrectispiraJao image
Spirogyra subreflexaLiang & Wang image
Spirogyra subreticulataFritsch image
Spirogyra subreticulata var. guayanensis_('guayanense')Thérézien image
Spirogyra subsalinaCedercreutz image
Spirogyra subsalsa f. gracilis(Borge) Poljansky image
Spirogyra subsalsa f. punctulataKrasnoperova Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 1966: 94, figs. 1, 2 1966
Spirogyra subsalsa f. uralensisPoljansky image
Spirogyra subsalsaKützing image
Spirogyra subsalsa var. macrosporaBhashyakarla Rao image
Spirogyra subsalsa var. macrosporaC.B. Rao J. Indian Bot. Soc. 17: 345, fig. 2 D,E 1938
Spirogyra subsalso-punctulataJ.Z. Kadłubowska Flora Słodkowodna Polski 12A: 415 1972
Spirogyra subtilisKützing image
Spirogyra subtropicaChian image
Spirogyra suburbanaJao image
Spirogyra subvariformisL.J. Bi Oceanol. et Limnol. Sin. 10: 357, pl. II: fig. 2 1979
Spirogyra subvelataKrieger image
Spirogyra subventricosa(Hassall) Wittrock image
Spirogyra subventricosa var. inaequalis(Hassall) Wittrock image
Spirogyra subvermiculataIslam image
Spirogyra sudanensis_('sudanense')Gauthier-Lièvre image
Spirogyra suecicaTranseau image
Spirogyra sulcataJ.L. Blum image
Spirogyra suomianaTranseau image
Spirogyra supervariansTranseau image
Spirogyra sylvestrisHilse image
Spirogyra sylvestrisHilse image
Spirogyra szechwanensisJao image
Spirogyra szechwanensis var. variansSingh image
Spirogyra taftianaTranseau image
Spirogyra taiyuanensisY.J. Ling image
Spirogyra tandaeRandhawa image
Spirogyra tayloriiJao image
Spirogyra tenuior(Nordstedt) Krieger image
Spirogyra tenuior(Transeau) Krieger Rabenhorst's Krypt.-Fl. ed. 2, 13(2): 428 1944
Spirogyra tenuisMeneghini image
Spirogyra tenuispinaRundina image
Spirogyra tenuissima(Hassall) Kützing image
Spirogyra tenuissima [subsp.] genuina(Kirchner) Hansgirg image
Spirogyra tenuissima [subsp.] naegelii(Kützing) Hansgirg image
Spirogyra tenuissima f. cylindrica(Czurda) Poljansky image
Spirogyra tenuissima f. inflataCooke image
Spirogyra tenuissima f. punctataSkuja image
Spirogyra tenuissima f. rugosa(Transeau) Poljansky image
Spirogyra tenuissima f. tenuissimaCooke image
Spirogyra tenuissima var. genuinaKirchner image
Spirogyra tenuissima var. naegelii(Kützing) Kirchner image
Spirogyra tenuissima var. plenaLagerheim image
Spirogyra tenuissima var. rugosaTranseau image
Spirogyra teodorescoi_('teodoresci')Transeau image
Spirogyra ternata f. maximaBhashyakarla Rao image
Spirogyra ternataRipart image
Spirogyra ternata var. sphaericaMisra image
Spirogyra tertiaT. Takano & H. Sakayama in Takano et al. Phycologia 61: 434, figs. 4-6, 17-24 2022
Spirogyra tetraplaE.N. Transeau image
Spirogyra texensisTaft image
Spirogyra theobaldii_('Theobaldi')Kützing image
Spirogyra thermalisCrouan fr. image
Spirogyra thermalisP. Crouan & H. Crouan in Mazé & Schramm Essai Class. Alg. Guadeloupe: 33 1865
Spirogyra tibetensisJao image
Spirogyra tjibodensis vonFaber image
Spirogyra tolosanaComère Bull. Soc. Bot. France 46: 174, pl. III: figs. 1-3 1899
Spirogyra tolosanaComère image
Spirogyra tortaBlum image
Spirogyra torulosaKützing image
Spirogyra torulosa var. nodosaKützing image
Spirogyra trachycarpsSkuja image
Spirogyra transeauianaJao image
Spirogyra triformisWisselingh image
Spirogyra triplicata(Collins) Transeau image
Spirogyra trispiraMeneghini ined. image
Spirogyra trochainiiGauthier-Lièvre image
Spirogyra troitzkajaePoljansky image
Spirogyra tropica(G.S. West) Transeau image
Spirogyra tropicaKützing image
Spirogyra tsingtaoensisLi image
Spirogyra tuberculataLagerheim image
Spirogyra tuberculataLagerheim image
Spirogyra tuberculosaLiang & Wang image
Spirogyra tucumaniaeB. Tracanna Opera Lilloana 35: 96, 127, pl. 41: figs. 1, 5 1985
Spirogyra tumdaJao image
Spirogyra turfosaF. Gay Mon. loc. Conj.: 87, pl. IV: fig. 3 1884
Spirogyra turfosaGay image
Spirogyra turpisKützing image
Spirogyra tuwensisPatel & Asok Kumar image
Spirogyra tuwensisR.J. Patel & C.K. Asok Kumar Phykos 8: 107, pl. I 1970
Spirogyra ucrainicaSmirnoff in Kasanowsky & Smirnoff Trudy Dneprovsk. Biol. Stantsii. 1: 151, 153, fig. 1 1914
Spirogyra ugandensis_('ugandense')Gauthier-Lièvre image
Spirogyra ulothrichoidesKützing image
Spirogyra undulataKützing image
Spirogyra unduliseptumRandhawa image
Spirogyra urbanaJao & Zhong Heng image
Spirogyra vanzantenii_('vanZantenii') Cholnoky image
Spirogyra variabilisC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 203, pl. IV: figs. 5-7 1978
Spirogyra variabilisDe Wildeman image
Spirogyra varians(Hassall) Kützing Sp. alg.: 439 1849
Spirogyra varians(Hassall) Kützing image
Spirogyra varians f. bicalyptrata(Czurda) Poljansky image
Spirogyra varians f. circumlineata(Transeau) Poljansky image
Spirogyra varians f. gracilisP. Petit image
Spirogyra varians f. minorTeodoresco image
Spirogyra varians f. woodsii(Hassall) Poljansky image
Spirogyra varians var. woodsii(Hassall) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 58 2015
Spirogyra variasporaRickert & Hoshaw image
Spirogyra variformisE.N. Transeau image
Spirogyra varifoveolataB.N. Prasad & Dutta image
Spirogyra varshaiiPrasad & Dutta image
Spirogyra vasishtiiRattan image
Spirogyra velata f. ellipsoidea(Wang) Poljansky image
Spirogyra velata f. lateralisGauthier-Lièvre image
Spirogyra velataNordstedt image
Spirogyra velata var. ellipsoideaChu-Chia Wang image
Spirogyra velata var. occidentalisTranseau image
Spirogyra velata-occidentalis_('velata occidentalis')Transeau image
Spirogyra venkataramaniiRattan image
Spirogyra venosaKadlubowska image
Spirogyra ventersica(Transeau) Krieger image
Spirogyra ventricosa f. elongata image
Spirogyra ventricosa f. elongataSprée in Rabenhorst Alg. Sachs. Dec. 97/98 989 1860
Spirogyra ventricosaKützing image
Spirogyra ventricosaKützing image
Spirogyra venustaJao image
Spirogyra vermiculataC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 204, pl. IV: figs. 9, 10 1978
Spirogyra vernalisSkvortzov & Noda image
Spirogyra vernalisSkvortzov image
Spirogyra verrucogranulataI.C.A. Dias & C.E. de M. Bicudo image
Spirogyra verrucogranulataI.C.A. Dias & C.E.M. Bicudo Arch. Hydrobiol. Suppl. 116 (Algol. Stud. 82): 6, figs. 1-12 1996
Spirogyra verrucosa(Rao) Krieger image
Spirogyra verrucosa var. minorIslam image
Spirogyra verruculosaC.C. Jao image
Spirogyra verruculosa var. chakiaensis_('chakiaense')Bhashyakarla Rao image
Spirogyra verruculosa var. crassaR.N. Singh image
Spirogyra visendaTranseau image
Spirogyra voltaicaGauthier-Lièvre image
Spirogyra wabashensisL.M. Tiffany Bot. Gaz. 83: 202, pl. IX: fig. 1 1927
Spirogyra wangii_('wangi')L.C. Li image
Spirogyra weberi [subsp.] genuina(Kirchner) Hansgirg image
Spirogyra weberi [subsp.] grevilleana(Hassall) Hansgirg image
Spirogyra weberi f. abbreviataHirn image
Spirogyra weberi f. elongataBalsamo Atti [Reale] Accad. Sci. Fis. e Mat. [Napoli], ser. 2, 1{14}: 30 1885
Spirogyra weberi f. farlowii(Transeau) Poljansky image
Spirogyra weberi f. grevilleana(Hassall) Alten image
Spirogyra weberi f. grevilleana(Hassall) Poljansky image
Spirogyra weberi f. hilseana(Rabenhorst) Alten image
Spirogyra weberi f. inaequalis(Hassall) Cooke image
Spirogyra weberi f. inflataBhashyakarla Rao image
Spirogyra weberi f. intermedia(Hassall) Petit image
Spirogyra weberi f. subventricosum(Hassall) Cooke image
Spirogyra weberi f. tjibodensis(Faber) Poljansky image
Spirogyra weberiKützing Phyc. gen.: 279, pl. 14: fig. III 1843
Spirogyra weberiKützing image
Spirogyra weberi var. elongata(Sprée) Rabenhorst image
Spirogyra weberi var. farlowii(Transeau) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 60 2015
Spirogyra weberi var. genuinaKirchner image
Spirogyra weberi var. grevilleana(Kützing) Kirchner image
Spirogyra weberi var. hilseana(Rabenhorst) Hansgirg image
Spirogyra weberi var. hilseanaRabenhorst image
Spirogyra weberi var. intermedia(Hassall) Hansgirg image
Spirogyra weberi var. intermedia(Kützing) Kirchner image
Spirogyra weberi var. tenuiorKützing image
Spirogyra weberi var. tenuis(Rabenhorst) Hansgirg image
Spirogyra weberi var. tenuis(Rabenhorst) Kirchner image
Spirogyra weishuiensis f. major(Chian) Chian Chengyu image
Spirogyra weishuiensis var. majorChian Acta Phytotax. Sin. 19: 135, pl. 6: 14 1981
Spirogyra weishuiensisY.J. Ling & Y.M. Zheng Oceanol. et Limnol. Sin. 10: 293, pl. III: figs. 1, 2 1979
Spirogyra welwitschiiW. West & G.S. West image
Spirogyra westiiTranseau image
Spirogyra willeiSkuja image
Spirogyra willei var. acanthophoraSkuja Acta Hort. Bot. Univ. Latv. 3: 114, pl. I: figs. 1-3 1928
Spirogyra wollnyiDe Toni image
Spirogyra woodsii(Hassall) Czurda image
Spirogyra wrightianaE.N. Transeau image
Spirogyra wuchanensisC.C. Jao & H.J. Hu Oceanol. et Limnol. Sin. 9: 203, pl. IV: fig. 8 1978
Spirogyra wuchanensis f. minor(Chian) Chian in Jao, Chin. J. Oceanol. & Limnol. 1: 128 1982
Spirogyra wuchanensis var. minorChian Acta Phytotax. Sin. 19: 135, pl. 6: 15 1981
Spirogyra wuhanensis f. minor(Chian) Chian Chengyu image
Spirogyra wuhanensis var. minorChian image
Spirogyra wyomingiaBradley image
Spirogyra xiangshanensisLiang & Wang image
Spirogyra xinxiangensisL.J. Bi Oceanol. et Limnol. Sin. 10: 358. pl. II: fig. 3(A,B) 1979
Spirogyra yexianensisL.J. Bi Oceanol. et Limnol. Sin. 10: 358, pl. III: fig. 1 1979
Spirogyra yuinS. Skinner & T.J. Entwisle Telopea 11: 87, fig. 1 2005
Spirogyra yunnanensisLi image
SPIROGYRACEAEBessey image
SPIROGYRACEAEBlackman & Tansley image
SPIROGYRACEAEOkada image
SPIROGYRACEENPalla image
Spiromonas spirogyraeSkvortzov image
Stigeoclonium spirogyraeSkvortzov image
Synechocystis spirogyraeSkvortzov image
Trachelomonas spirogyraE. Balech image
Trachelomonas verrucosa var. spirogyra(E. Balech) G.E. Huber-Pestalozzi image