สไปโรไจรา

**สไปโรไจรา** เป็นสาหร่ายสีเขียวคล้ายเส้นด้ายสกุลหนึ่งในอันดับ Zygnematales ได้ชื่อตามการเรียงตัวของคลอโรพลาสต์เป็นเกลียว อันเป็นลักษณะประจำสกุล มักพบในน้ำจืด และมีสไปโรไจรากว่า 400 สปีชีส์ทั่วโลก สไปโรไจรามีความกว้างได้ 10 ถึง 100 ไมโครเมตร และอาจยืดได้ถึงหนึ่งเซนติเมตร

## ชนิด
รายการข้างล่างคือชนิดที่ได้รับการรับรอง สำหรับรายการที่ได้รับการยอมรับในปัจจุบัน ซึ่งครอบคลุมและเป็นปัจจุบันมากขึ้น ดูในหน้า AlgaeBase หรือ WoRMS

* *[[Spirogyra abbreviata]]* Zheng
* *[[Spirogyra acanthophora]]* (Skuja) Czurda
* *[[Spirogyra acumbentis]]* Vodenicarov
* *[[Spirogyra adjerensis]]* Gauthier-Lièvre
* *[[Spirogyra adnata]]* (Vaucher) Kützing
* *[[Spirogyra adornata]]* Ling
* *[[Spirogyra aequinoctialis]]* G.S.West
* *[[Spirogyra affinis]]* (Hassall) Petit
* *[[Spirogyra africana]]* (F.E.Fritsch) Czurda
* *[[Spirogyra ahmedabadensis]]* Kamat
* *[[Spirogyra alpina]]* Kützing
* *[[Spirogyra alternata]]* Kützing
* *[[Spirogyra amplectens]]* Skuja
* *[[Spirogyra ampliata]]* L.Liu
* *[[Spirogyra anchora]]* Skuja
* *[[Spirogyra angolensis]]* Welwitsch
* *[[Spirogyra angulata]]* Nipkow
* *[[Spirogyra anomala]]* Bhashyakarla Rao
* *[[Spirogyra anzygoapora]]* Singh
* *[[Spirogyra aphanosculpta]]* Skuja
* *[[Spirogyra aplanospora]]* Randhawa
* *[[Spirogyra arcta]]* (C.Agardh) Endlichter
* *[[Spirogyra arcuata]]* Liu
* *[[Spirogyra areolata]]* Lagerheim
* *[[Spirogyra arizonensis]]* Rickert & Hoshaw
* *[[Spirogyra arthuri]]* Woodhead & Tweed
* *[[Spirogyra articulata]]* Transeau
* *[[Spirogyra asiatica]]* Czurda
* *[[Spirogyra atasiana]]* Czurda
* *[[Spirogyra atrobrunnea]]* Gauthier-Lièvre
* *[[Spirogyra aubvillei]]* Gauthier-Lièvre
* *[[Spirogyra australica]]* Czurda
* *[[Spirogyra australiensis]]* K.Möbius
* *[[Spirogyra austriaca]]* Czurda
* *[[Spirogyra azygospora]]* Singh
* *[[Spirogyra baileyi]]* Schmidle
* *[[Spirogyra batekiana]]* Gauthier-Lièvre
* *[[Spirogyra bellis]]* (Hassall) P.Crouan & H.Crouan
* *[[Spirogyra bicalyptrata]]* Czurda
* *[[Spirogyra bichromatophora]]* (Randhawa) Transeau
* *[[Spirogyra biformis]]* C.-C.Jao
* *[[Spirogyra biharensis]]* A.M.Verma & B.Kumari
* *[[Spirogyra bii]]* Kadlubowska
* *[[Spirogyra bireticulata]]* Liu
* *[[Spirogyra borealis]]* Zheng & Ling
* *[[Spirogyra borgeana]]* Transeau
* *[[Spirogyra borgei]]* Kadlubowska
* *[[Spirogyra borkuense]]* Gauthier-Lièvre
* *[[Spirogyra borysthenica]]* Kasanowsky & Smirnoff [Smirnov]
* *[[Spirogyra bourrellyana]]* Gauthier-Lièvre
* *[[Spirogyra braziliensis]]* (Nordstedt) Transeau
* *[[Spirogyra britannica]]* Godward
* *[[Spirogyra brunnea]]* Czurda
* *[[Spirogyra buchetii]]* Petit
* *[[Spirogyra bullata]]* C.-C.Jao
* *[[Spirogyra calcarea]]* Transeau
* *[[Spirogyra calchaquiesiae]]* B.Tracanna
* *[[Spirogyra californica]]* Stancheva, J.D.Hall, McCourt & Sheath
* *[[Spirogyra calospora]]* Cleve
* *[[Spirogyra canaliculata]]* Segar
* *[[Spirogyra cardinia]]* S.H.Lewis
* *[[Spirogyra caroliniana]]* G.E.Dillard
* *[[Spirogyra castanacea]]* G.C.Couch
* *[[Spirogyra cataeniformis]]* (Hassall) Kützing
* *[[Spirogyra catenaeformis]]* (Hassall) Kützing
* *[[Spirogyra cavata]]* Vodenicarov
* *[[Spirogyra chakiaensis]]* (Bhashyakarla Rao) Kreiger
* *[[Spirogyra chandigarhensis]]*
* *[[Spirogyra chekiangensis]]* C.-C.Jao
* *[[Spirogyra chenii]]* C.-C.Jao
* *[[Spirogyra chungkingensis]]* C.-C.Jao
* *[[Spirogyra chuniae]]* C.-C.Jao
* *[[Spirogyra circumlineata]]* Transeau
* *[[Spirogyra clavata]]* Segar
* *[[Spirogyra cleveana]]* Transeau
* *[[Spirogyra colligata]]* Hodgetts
* *[[Spirogyra columbiana]]* Czurda
* *[[Spirogyra communis]]* (Hassall) Kützing
* *[[Spirogyra condensata]]* (Vaucher) Dumortier
* *[[Spirogyra congolensis]]* Gauthier-Lièvre
* *[[Spirogyra conspicua]]* Gay
* *[[Spirogyra convoluta]]*
* *[[Spirogyra corrugata]]* Woodhead & Tweed
* *[[Spirogyra costata]]* Kadlubowska
* *[[Spirogyra costulata]]* Kadlubowska
* *[[Spirogyra coumbiana]]* Czurda
* *[[Spirogyra crassa]]* (Kützing) Kützing
* *[[Spirogyra crassispina]]* C.-C.Jao
* *[[Spirogyra crassiuscula]]* (Wittrock & Nordstedt) Transeau
* *[[Spirogyra crassivallicularis]]* C.-C.Jao
* *[[Spirogyra crassoidea]]* (Transeau) Transeau
* *[[Spirogyra crenulata]]* Singh
* *[[Spirogyra croasdaleae]]* Blum
* *[[Spirogyra cyanosporum]]*
* *[[Spirogyra cylindrica]]* Czurda
* *[[Spirogyra cylindrosperma]]* (West & G.S.West) Krieger
* *[[Spirogyra cylindrospora]]* West & G.S.West
* *[[Spirogyra czubinskii]]* Kadlubowska
* *[[Spirogyra czurdae]]* Misra
* *[[Spirogyra czurdiana]]* Kadlubowska
* *[[Spirogyra dacimina]]* (O.F.Müller) Kützing
* *[[Spirogyra daedalea]]* Lagerheim
* *[[Spirogyra daedaleoides]]* Czurda
* *[[Spirogyra danica]]* Kadlubowska
* *[[Spirogyra decimina]]* (O.F.Müller) Dumortier
* *[[Spirogyra densa]]* Kützing
* *[[Spirogyra denticulata]]* Transeau
* *[[Spirogyra dentireticulata]]* C.-C.Jao
* *[[Spirogyra desikacharyensis]]* Rattan
* *[[Spirogyra dialyderma]]* Ling & Zheng
* *[[Spirogyra dicephala]]* C.-C.Jao & H.Z.Zhu
* *[[Spirogyra dictyospora]]* C.-C.Jao
* *[[Spirogyra diluta]]* H.C.Wood
* *[[Spirogyra dimorpha]]* Geitler
* *[[Spirogyra discoidea]]* Transeau
* *[[Spirogyra distenta]]* Transeau
* *[[Spirogyra diversizygotica]]* (V.I.Polyanskij) L.A.Rundina
* *[[Spirogyra djalonensis]]* Gauthier-Lièvre
* *[[Spirogyra djiliense]]* Gauthier-Lièvre
* *[[Spirogyra dodgeana]]*
* *[[Spirogyra drilonensis]]* Petkoff
* *[[Spirogyra dubia]]* Kützing
* *[[Spirogyra echinata]]* Tiffany
* *[[Spirogyra echinospora]]* Blum
* *[[Spirogyra eillipsospora]]* Transeau
* *[[Spirogyra elegans]]* Wollny
* *[[Spirogyra elegantissima]]* Y.J.Ling & Y.M.Zheng
* *[[Spirogyra ellipsospora]]* Transeau
* *[[Spirogyra elliptica]]* C.-C.Jao
* *[[Spirogyra elongata]]* (H.C.Wood) H.C.Wood
* *[[Spirogyra elongata]]* (Vaucher) Dumortier
* *[[Spirogyra emilianensis]]* Bonhomme
* *[[Spirogyra endogranulata]]* O.Bock & W.Bock
* *[[Spirogyra exilis]]* West & G.S.West
* *[[Spirogyra fallax]]* (Hansgirg) Wille
* *[[Spirogyra fassula]]* Zheng
* *[[Spirogyra favosa]]* Y.-X.Wei & Y.-K.Yung
* *[[Spirogyra fennica]]* Cedercreutz
* *[[Spirogyra ferruginea]]* H.W.Liang
* *[[Spirogyra flavescens]]* (Hassall) Kützing
* *[[Spirogyra flavicans]]* Kützing
* *[[Spirogyra fluviatilis]]* Hilse
* *[[Spirogyra formosa]]* (Transeau) Czurda
* *[[Spirogyra fossa]]* C.-C.Jao
* *[[Spirogyra fossulata]]* C.-C.Jao & Hu
* *[[Spirogyra foveolata]]* (Transeau) Czurda
* *[[Spirogyra franconica]]* O.Bock & W.Bock
* *[[Spirogyra frankliniana]]* Tiffany
* *[[Spirogyra frigida]]* F.Gay
* *[[Spirogyra fritschiana]]* Czurda
* *[[Spirogyra fukienica]]* Wei
* *[[Spirogyra fuzhouensis]]* H.-J.Hu
* *[[Spirogyra gallica]]* Petit
* *[[Spirogyra gaterslebensis]]* Reith
* *[[Spirogyra gauthier-lievrae]]* Kadlubowska
* *[[Spirogyra gauthieri]]* Gayral
* *[[Spirogyra gharbensis]]* Gauthier-Lièvre
* *[[Spirogyra ghosei]]* Singh
* *[[Spirogyra gibberosa]]* C.-C.Jao
* *[[Spirogyra glabra]]* Czurda
* *[[Spirogyra globulispora]]* Gauthier-Lièvre
* *[[Spirogyra gobonensis]]* Gauthier-Lièvre
* *[[Spirogyra goetzei]]* Schmidle
* *[[Spirogyra gracilis]]* Kützing
* *[[Spirogyra granulata]]* C.-C.Jao
* *[[Spirogyra gratiana]]* Transeau
* *[[Spirogyra groenlandica]]* Rosenvinge
* *[[Spirogyra guangchowensis]]* Zhu & Zhong
* *[[Spirogyra guineense]]* Gauthier-Lièvre
* *[[Spirogyra gujaratensis]]* Kamat
* *[[Spirogyra gurdaspurensis]]* Rattan
* *[[Spirogyra haimenensis]]* C.-C.Jao
* *[[Spirogyra hartigii]]* (Kützing) De Toni
* *[[Spirogyra hassalii]]* (Jenner) Petit
* *[[Spirogyra hassallii]]* (Jenner ex Hassall) P.Crouan & H.Crouan
* *[[Spirogyra hatillensis]]* Transeau
* *[[Spirogyra heeriana]]* Nägeli ex Kützing
* *[[Spirogyra henanensis]]* (L.J.Bi) L.J.Bi
* *[[Spirogyra herbipolensis]]* O.Bock & W.Bock
* *[[Spirogyra heterospora]]* Liu
* *[[Spirogyra hoehnei]]* O.Borge
* *[[Spirogyra hoggarica]]* (Gauthier-Lièvre) Gauthier-Lièvre
* *[[Spirogyra hollandiae]]* Taft
* *[[Spirogyra hopeiensis]]* C.-C.Jao
* *[[Spirogyra hunanensis]]* C.-C.Jao
* *[[Spirogyra hungarica]]* Langer
* *[[Spirogyra hyalina]]* Cleve
* *[[Spirogyra hymerae]]* Britton & B.H.Smith
* *[[Spirogyra inconstans]]* Collins
* *[[Spirogyra incrassata]]* Czurda
* *[[Spirogyra indica]]* Krieger
* *[[Spirogyra inflata]]* (Vaucher) Dumortier
* *[[Spirogyra insignis]]* (Hassall) Kützing
* *[[Spirogyra insueta]]* Zhu & Zhong
* *[[Spirogyra intermedia]]* Rabenhorst
* *[[Spirogyra intorta]]* C.-C.Jao
* *[[Spirogyra ionia]]* Wade
* *[[Spirogyra irregularis]]* Nägeli ex Kützing
* *[[Spirogyra ivorensis]]* Gauthier-Lièvre
* *[[Spirogyra iyengarii]]* Kadlubowska
* *[[Spirogyra jaoensis]]* Randhawa
* *[[Spirogyra jaoi]]* S.H.Ley
* *[[Spirogyra jassiensis]]* (Teodoresco) Czurda
* *[[Spirogyra jatobae]]* Transeau
* *[[Spirogyra jogensis]]* Iyengar
* *[[Spirogyra jugalis]]* (Dillwyn) Kützing
* *[[Spirogyra juliana]]* Stancheva, J.D.Hall, McCourt & Sheath
* *[[Spirogyra kaffirita]]* Transeau
* *[[Spirogyra kamatii]]* Kamat
* *[[Spirogyra karnalae]]* Randhawa
* *[[Spirogyra kolae]]* Hajdu
* *[[Spirogyra koreana]]* J.-H.Kim, Y.H.Kim, & I.K.Lee
* *[[Spirogyra krubergii]]* V.J.Poljanski
* *[[Spirogyra kundaensis]]* Singh
* *[[Spirogyra kuusamoensis]]* Hirn
* *[[Spirogyra labbei]]* Gauthier-Lièvre
* *[[Spirogyra labyrinthica]]* Transeau
* *[[Spirogyra lacustris]]* Czurda
* *[[Spirogyra lagerheimii]]* Wittrock
* *[[Spirogyra laka]]* Kützing
* *[[Spirogyra lallandiae]]* Taft
* *[[Spirogyra lambertiana]]* Transeau
* *[[Spirogyra lamellata]]* (Bhashyakarla Rao) Krieger
* *[[Spirogyra lamellosa]]* C.-C.Jao
* *[[Spirogyra lapponica]]* Lagerheim
* *[[Spirogyra latireticulata]]* Zheng & Ling
* *[[Spirogyra latviensis]]* Czurda
* *[[Spirogyra laxa]]* Kützing
* *[[Spirogyra laxistrata]]* C.-C.Jao
* *[[Spirogyra lenticularis]]* Transeau
* *[[Spirogyra lentiformis]]* L.J.Bi
* *[[Spirogyra lians]]* Transeau
* *[[Spirogyra libyca]]* Gauthier-Lièvre
* *[[Spirogyra lismorensis]]* Playfair
* *[[Spirogyra lodziensis]]* Kadlubowska
* *[[Spirogyra longifissa]]* Wei
* *[[Spirogyra lubrica]]* Kützing
* *[[Spirogyra lucknowensis]]* (Prasad & Dutta) Kadlubowska
* *[[Spirogyra lushanensis]]* L.C.Li
* *[[Spirogyra luteospora]]* Czurda
* *[[Spirogyra lutetiana]]* Petit
* *[[Spirogyra lymerae]]* Britton & Smith
* *[[Spirogyra macrospora]]* (C.B.Rao) Krieger
* *[[Spirogyra maghrebiana]]* Gauthier-Lièvre
* *[[Spirogyra major]]* Kützing
* *[[Spirogyra majuscula]]* Kützing
* *[[Spirogyra malmeana]]* Hirn
* *[[Spirogyra manormae]]* Randhawa
* *[[Spirogyra maravillosa]]* Transeau
* *[[Spirogyra marchica]]* H.Krieger
* *[[Spirogyra margalefii]]* Aboal & Llimona
* *[[Spirogyra margaritata]]* Wollny
* *[[Spirogyra marocana]]* Gauthier-Lièvre
* *[[Spirogyra maxima]]* (Hassall) Wittrock
* *[[Spirogyra megaspora]]* Transeau
* *[[Spirogyra meinningensis]]*
* *[[Spirogyra meridionalis]]* W.J.Zhu & Zhong
* *[[Spirogyra miamiana]]* Taft
* *[[Spirogyra microdictyon]]* C.-C.Jao & Hu
* *[[Spirogyra microgranulata]]* C.-C.Jao
* *[[Spirogyra micropunctata]]* Transeau
* *[[Spirogyra microspora]]* C.-C.Jao
* *[[Spirogyra mienningensis]]* L.-C.Li
* *[[Spirogyra minor]]* (Schmidle) Transeau
* *[[Spirogyra minuticrassoidea]]* Yamagishi
* *[[Spirogyra minutifossa]]* C.-C.Jao
* *[[Spirogyra mirabilis]]* (Hassall) Kützing
* *[[Spirogyra miranda]]* Kadlubowska
* *[[Spirogyra mirifica]]* Zheng & Ling
* *[[Spirogyra mithalaensis]]* A.M.Verma & B.Kumari
* *[[Spirogyra moebii]]* Transeau
* *[[Spirogyra monodiana]]* Gauthier-Lièvre
* *[[Spirogyra montserrati]]* Margalef
* *[[Spirogyra multiconjugata]]* N.C.Ferrer & E.J.Cáceres
* *[[Spirogyra multiformis]]* Kadlubowska
* *[[Spirogyra multistrata]]* Zheng & Ling
* *[[Spirogyra multitrata]]* Zheng & Ling
* *[[Spirogyra mutabilis]]* C.-C.Jao & H.J.Hu
* *[[Spirogyra narcissiana]]* Transeau
* *[[Spirogyra natchita]]* Transeau
* *[[Spirogyra nawaschinii]]* Kasanowsky
* *[[Spirogyra neglecta]]* (Hassall) Kützing
* *[[Spirogyra neorhizobranchialis]]* C.-C.Jao & Zheng
* *[[Spirogyra nitida]]* (O.F.Müller) Leiblein
* *[[Spirogyra nodifera]]* O.Bock & W.Bock
* *[[Spirogyra notabilis]]* Taft
* *[[Spirogyra nova-angliae]]* Transeau
* *[[Spirogyra novae-angliae]]* Transeau
* *[[Spirogyra nyctigama]]* Taft
* *[[Spirogyra oblata]]* C.-C.Jao
* *[[Spirogyra oblonga]]* Liu
* *[[Spirogyra obovata]]* C.-C.Jao
* *[[Spirogyra occidentalis]]* (Transeau) Czurda
* *[[Spirogyra oligocarpa]]* C.-C.Jao
* *[[Spirogyra olivascens]]* Rabenhorst
* *[[Spirogyra ollicola]]* C.-C.Jao & Zhong
* *[[Spirogyra oltmannsii]]* Huber-Pestalozzi
* *[[Spirogyra orientalis]]* West & G.S.West
* *[[Spirogyra orthospira]]* Nägeli
* *[[Spirogyra ouarsenica]]* Gauthier-Lièvre
* *[[Spirogyra oudhensis]]* Randhawa
* *[[Spirogyra ovigera]]* Montagne
* *[[Spirogyra pachyderma]]* Gauthier-Lièvre
* *[[Spirogyra palghatensis]]* Erady
* *[[Spirogyra paludosa]]* Czurda
* *[[Spirogyra papulata]]* C.-C.Jao
* *[[Spirogyra paradoxa]]* Bhashyakarla Rao
* *[[Spirogyra paraguayensis]]* O.Borge
* *[[Spirogyra parva]]* (Hassall) Kützing
* *[[Spirogyra parvispora]]* H.C.Wood
* *[[Spirogyra parvula]]* (Transeau) Czurda
* *[[Spirogyra pascheriana]]* Czurda
* *[[Spirogyra patliputri]]* A.M.Verma & B.Kumari
* *[[Spirogyra peipeingensis]]* C.-C.Jao
* *[[Spirogyra pellucida]]* (Hassall) Kützing
* *[[Spirogyra perforans]]* Transeau
* *[[Spirogyra plena]]* (West & G.S.West) Czurda
* *[[Spirogyra poljanskii]]* Kadlubowska
* *[[Spirogyra polymorpha]]* Kirchner
* *[[Spirogyra polytaeniata]]* Strasburger
* *[[Spirogyra porangabae]]* Transeau
* *[[Spirogyra porticalis]]* (O.F.Müller) Dumortier- type
* *[[Spirogyra pratensis]]* Transeau
* *[[Spirogyra princeps]]* (Vaucher) Link ex Meyen
* *[[Spirogyra proavita]]* Langer
* *[[Spirogyra prolifica]]* Kamat
* *[[Spirogyra propria]]* Transeau
* *[[Spirogyra protecta]]* H.C.Wood
* *[[Spirogyra pseudoaedaloides]]* Kadlubowska
* *[[Spirogyra pseudobellis]]* W.J.Zhu & Zhong
* *[[Spirogyra pseudocorrugata]]* Gauthier-Lièvre
* *[[Spirogyra pseudocylindrica]]* Prescott
* *[[Spirogyra pseudogibberosa]]* Gauthier-Lièvre
* *[[Spirogyra pseudogranulata]]* S.-H.Ley
* *[[Spirogyra pseudojuergensii]]* H.Silva
* *[[Spirogyra pseudomaiuscula]]* Gauthier-Lièvre
* *[[Spirogyra pseudomajuscula]]* Gauthier-Lièvre
* *[[Spirogyra pseudomaxima]]* Kadlubowska
* *[[Spirogyra pseudoneglecta]]* Czurda
* *[[Spirogyra pseudonodifera]]* O.Bock & W.Bock
* *[[Spirogyra pseudoplena]]* Liu
* *[[Spirogyra pseudopulchrata]]* C.-C.Jao
* *[[Spirogyra pseudoreticulata]]* Kreiger
* *[[Spirogyra pseudorhizopus]]* L.J.Bi
* *[[Spirogyra pseudosahnii]]* Kadlubowska
* *[[Spirogyra pseudospreeiana]]* C.-C.Jao
* *[[Spirogyra pseudosubreticulata]]* Rickert & Hoshaw
* *[[Spirogyra pseudotenuissima]]* O.Bock & W.Bock
* *[[Spirogyra pseudotetrapla]]* Kadlubowska
* *[[Spirogyra pseudotexensis]]* Bourrelly
* *[[Spirogyra pseudovarians]]* Czurda
* *[[Spirogyra pseudovenusta]]* Liu & Wei
* *[[Spirogyra pseudowoodii]]* V.J.Poljanski
* *[[Spirogyra pulchella]]* (H.C.Wood) H.C.Wood
* *[[Spirogyra pulchra]]* Alexenko
* *[[Spirogyra pulchrifigurata]]* C.-C.Jao
* *[[Spirogyra puncticulata]]* C.-C.Jao
* *[[Spirogyra punctulata]]* C.-C.Jao
* *[[Spirogyra quadrata]]* (Hassall) P.Petit
* *[[Spirogyra quadrilaminata]]* C.-C.Jao
* *[[Spirogyra quezelii]]* Gauthier-Lièvre
* *[[Spirogyra quilonensis]]* Kothari
* *[[Spirogyra quinina]]* Kützing
* *[[Spirogyra quinquilaminata]]* C.-C.Jao
* *[[Spirogyra randhawae]]* Krieger
* *[[Spirogyra rattanii]]* Kadlubowska
* *[[Spirogyra rectangularis]]* Transeau
* *[[Spirogyra rectispira]]* Merriman
* *[[Spirogyra regularis]]* (Cedercreutz) Krieger
* *[[Spirogyra reinhardii]]* V.Chmielevsky
* *[[Spirogyra reticulata]]* Nordstedt
* *[[Spirogyra reticulatum]]* Randhawa
* *[[Spirogyra reticuliana]]* Randhawa
* *[[Spirogyra rhizobrachialis]]* C.-C.Jao
* *[[Spirogyra rhizobranchialis]]* C.-C.Jao
* *[[Spirogyra rhizoides]]* Randhawa
* *[[Spirogyra rhizopus]]* C.-C.Jao
* *[[Spirogyra rhodopea]]* Petkoff
* *[[Spirogyra rivularis]]* (Hassall) Rabenhorst
* *[[Spirogyra robusta]]* (Nygaard) Czurda
* *[[Spirogyra rugosa]]* (Transeau) Czurda
* *[[Spirogyra rugulosa]]* Iwanoff
* *[[Spirogyra rupestris]]* Schmidle
* *[[Spirogyra sahnii]]* Randhawa
* *[[Spirogyra salina]]* Aleem
* *[[Spirogyra sanjingensis]]* Y.Wang & Z.Wang
* *[[Spirogyra sarmae]]* M.Singh & M.Srivastava
* *[[Spirogyra schmidtii]]* West & G.S.West
* *[[Spirogyra schweickerdtii]]* Cholonky
* *[[Spirogyra scripta]]* Nygaard
* *[[Spirogyra scrobiculata]]* (Stockmayer) Czurda
* *[[Spirogyra sculpta]]* Gauthier-Lièvre
* *[[Spirogyra semiornata]]* C.-C.Jao
* *[[Spirogyra senegalensis]]* Gauthier-Lièvre
* *[[Spirogyra setiformis]]* (Roth) Martens ex Meneghini
* *[[Spirogyra shantungensis]]* L.-C.Li
* *[[Spirogyra shanxiensis]]* Zheng & Ling
* *[[Spirogyra shenzaensis]]* Zheng
* *[[Spirogyra siamensis]]* Transeau
* *[[Spirogyra siberica]]* Skvortzov
* *[[Spirogyra silesiaca]]* Kadlubowska
* *[[Spirogyra sinensis]]* L.-C.Li
* *[[Spirogyra singularis]]* Nordstedt
* *[[Spirogyra skujae]]* Randhawa
* *[[Spirogyra skvortzowii]]* Willi Kreiger
* *[[Spirogyra smithii]]* Transeau
* *[[Spirogyra speciosa]]* Liu
* *[[Spirogyra sphaerica]]* (Misra) Willi Krieger
* *[[Spirogyra sphaerocarpa]]* C.-C.Jao
* *[[Spirogyra sphaerospora]]* Hirn
* *[[Spirogyra spinescens]]* Kirjakov
* *[[Spirogyra splendida]]* G.S West
* *[[Spirogyra spreeiana]]* Rabenhorst
* *[[Spirogyra subaffinis]]* F.E.Fritsch & M.F.Rich
* *[[Spirogyra subbullata]]* Kadlubowska
* *[[Spirogyra subcolligata]]* L.J.Bi
* *[[Spirogyra subcrassa]]* Woronchin
* *[[Spirogyra subcrassiuscula]]* L.J.Bi
* *[[Spirogyra subcylindrospora]]* C.-C.Jao
* *[[Spirogyra subechinata]]* Godward
* *[[Spirogyra subfossulata]]* C.-C.Jao
* *[[Spirogyra subglabra]]* Zheng & Ling
* *[[Spirogyra sublambertiana]]* Zhao
* *[[Spirogyra subluteospora]]* C.-C.Jao & Hu
* *[[Spirogyra submajuscula]]* Ling & Zheng
* *[[Spirogyra submargaritata]]* Godward
* *[[Spirogyra submarina]]* (Collins) Transeau
* *[[Spirogyra submaxima]]* Transeau
* *[[Spirogyra subobovata]]* Chian
* *[[Spirogyra subpapulatata]]* C.-C.Jao
* *[[Spirogyra subpellucida]]* C.-C.Jao
* *[[Spirogyra subpolytaeniata]]* C.-C.Jao
* *[[Spirogyra subpratensis]]* Woronichin
* *[[Spirogyra subreflexa]]* Liang & Wang
* *[[Spirogyra subreticulata]]* F.E.Fritsch
* *[[Spirogyra subsalina]]* Cedercreutz
* *[[Spirogyra subsalsa]]* Kützing
* *[[Spirogyra subsalso-punctatulata]]* Kadlubowska
* *[[Spirogyra subtropica]]* Chian
* *[[Spirogyra suburbana]]* C.-C.Jao
* *[[Spirogyra subvelata]]* Kreiger
* *[[Spirogyra sulcata]]* Blum
* *[[Spirogyra sundanensis]]* Gauthier-Lièvre
* *[[Spirogyra superba]]* L.Liu
* *[[Spirogyra supervarians]]* Transeau
* *[[Spirogyra szechwanensis]]* C.-C.Jao
* *[[Spirogyra taftiana]]* Transeau
* *[[Spirogyra taiyuanensis]]* Ling
* *[[Spirogyra tandae]]* Randhawa
* *[[Spirogyra taylorii]]* C.-C.Jao
* *[[Spirogyra tenuior]]* (Transeau) Krieger
* *[[Spirogyra tenuispina]]* Rundina
* *[[Spirogyra tenuissima]]* (Hassall) Kützing
* *[[Spirogyra teodoresci]]* Transeau
* *[[Spirogyra ternata]]* Ripart
* *[[Spirogyra tetrapla]]* Transeau
* *[[Spirogyra tibetensis]]* C.-C.Jao
* *[[Spirogyra tjibodensis]]* Faber
* *[[Spirogyra tolosana]]* Comère
* *[[Spirogyra torta]]* Blum
* *[[Spirogyra trachycarpa]]* Skuja
* *[[Spirogyra transeauiana]]* C.-C.Jao
* *[[Spirogyra triplicata]]* (Collins) Transeau
* *[[Spirogyra trochainii]]* Gauthier-Lièvre
* *[[Spirogyra tropica]]* Kützing
* *[[Spirogyra tsingtaoensis]]* L.-C.Li
* *[[Spirogyra tuberculata]]* Lagerheim
* *[[Spirogyra tuberculosa]]* Liang & Wang
* *[[Spirogyra tucumaniae]]* B.Tracanna
* *[[Spirogyra tumida]]* C.-C.Jao
* *[[Spirogyra turfosa]]* F.Gay
* *[[Spirogyra tuwensis]]* R.J.Patel & C.K.Asok Kumar
* *[[Spirogyra ugandense]]* Gauthier-Lièvre
* *[[Spirogyra unduliseptum]]* Randhawa
* *[[Spirogyra urbana]]* C.-C.Jao & Zhong
* *[[Spirogyra van-zantenii]]* Cholonky
* *[[Spirogyra variabilis]]* C.-C.Jao & Hu
* *[[Spirogyra varians]]* (Hassall) Kützing
* *[[Spirogyra variaspora]]* Rickert & Hoshaw
* *[[Spirogyra variformis]]* Transeau
* *[[Spirogyra varshaii]]* Prasad & Dutta
* *[[Spirogyra vasishtii]]* Rattan
* *[[Spirogyra velata]]* Nordstedt
* *[[Spirogyra venkataramanii]]* Rattan
* *[[Spirogyra venosa]]* Kadlubowska
* *[[Spirogyra venusta]]* C.-C.Jao
* *[[Spirogyra vermiculata]]* C.-C.Jao & H.J.Hu
* *[[Spirogyra verrucogranulata]]* I.C A.Dias & C.E.de M.Bicudo
* *[[Spirogyra verrucosa]]* (C.B.Rao) Krieger
* *[[Spirogyra verruculosa]]* C.-C.Jao
* *[[Spirogyra voltaica]]* Gauthier-Lièvre
* *[[Spirogyra wangii]]* L.C.Li
* *[[Spirogyra weberi]]* Kützing
* *[[Spirogyra weishuiensis]]* Ling & Zheng
* *[[Spirogyra weletischii]]* West & G.S.West
* *[[Spirogyra welwitschii]]* West & G.S.West
* *[[Spirogyra westii]]* Transeau
* *[[Spirogyra willei]]* Skuja
* *[[Spirogyra wittrockii]]* Alexenko
* *[[Spirogyra wollnyi]]* De Toni
* *[[Spirogyra wrightiana]]* Transeau
* *[[Spirogyra wuchanensis]]* C.-C.Jao & H.-J.Hu
* *[[Spirogyra wuhanensis]]* C.-C.Jao & H.-J.Hu
* *[[Spirogyra xiaoganensis]]* Liu
* *[[Spirogyra xinxiangensis]]* L.J.Bi
* *[[Spirogyra yexianensis]]* L.J.Bi
* *[[Spirogyra yuin]]* S.Skinner & Entwisle
* *[[Spirogyra yunnanensis]]* L.-C.Li C

## อ้างอิง

* John Whitton, B.A. and Brook, A.J. (editors) 2002. *The Freshwater Algal Flora of the British Isles.* Cambridge University Press, Cambridge. .

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