【伪枝藻属】
Scytonema crispum异形细胞
伪枝藻属（学名：Scytonema）为伪枝藻科的一个属。有100多个物种。
==下级分类==
本属包括以下物种：
* Scytonema amplum West & G.S.West
* Scytonema andradeana P.González
* 伪枝藻 Scytonema arcangelii Bornet & Flahault
** Scytonema arcangelii f. minus Frémy
* 沃氏伪枝藻 Scytonema austinii H.C.Wood
* Scytonema azureum Tilden
* Scytonema badium Wolle
* Scytonema belizensis Komarék et al.
* Scytonema bewsii F.E.Fritsch & F.Rich
* Scytonema bilaspurense Singh
* Scytonema bivaginata H.Welsh
* Scytonema bohneri Schmidle
* Scytonema bruneum Schmidle
* Scytonema burmanicum Skuja
* Scytonema calcicola Kufferath
* Scytonema caldarium Setchell
** Scytonema caldarium var. terrestre Copeland
* Scytonema calothrichoides Kützing
* Scytonema capitatum N.L.Gardner
* Scytonema carolinianum Philson
* Scytonema catenatum N.L.Gardner
* Scytonema catenulum N.L.Gardner
* Scytonema chengii Wang 1934
** Scytonema chiastum f. minor Parukutty
* Scytonema chiastum Geitler
** Scytonema chlorophaeum f. tenuis G.Martens
* Scytonema chorae C.L.Sant'Anna & J.Komárek
* Scytonema cineraceum C.L.Zhou & H.X.Xiao
* Scytonema claviformis Y.Li
* Scytonema coactile Montagne ex Bornet & Flahault
** Scytonema coactile var. brasilense Nordstedt
** Scytonema coactile var. minus Wille
** Scytonema coactile var. thermalis Geitler
* Scytonema conardii Kufferath
* 喜贝伪枝藻 Scytonema conchophilum Humphrey
* Scytonema concinnum Y.M.Lin & H.X.Xiao
* Scytonema consociatum C.-C.Jao
* Scytonema contortum M.Watanabe & Komárek
* Scytonema cookei West
* Scytonema costaricensis Kufferath
** Scytonema crassum var. indicum S.Silva
* 卷曲双歧蓝细菌 Scytonema crispum Bornet ex De Toni，卷曲伪枝藻
** Scytonema crispum subsp. minu L.C.Li
** Scytonema crispum var. aethiopicum West & G.S.West
** Scytonema crustaceum var. incrustans Bornet & Flahault
* Scytonema cuatrecasasii P.González
* Scytonema dilatatum Bharadwaja
** Scytonema dilatatum f. major Bharadwaja
* Scytonema drilosiphon Elenkin & V.I.Polyansky
* Scytonema dubium De Wildeman
* Scytonema echeverriae Kufferath
* Scytonema endolithicum Ercegovic
* Scytonema evanescens N.L.Gardner
* Scytonema fertilia M.Watanabe & Komárek
* Scytonema figuratum C.Agardh ex Bornet & Flahault
* Scytonema flavoviride Bornet & Flahault
* Scytonema flexuosum Meneghini ex Kützing
* Scytonema foliicola De Wildeman
** Scytonema foliicola var. maius N.L.Gardner
* Scytonema fremyi Desikachary
* Scytonema fritschii S.L.Ghose
* Scytonema furcatum Meneghini ex Trevisan
* Scytonema geitleri Bharadwaja
** Scytonema geitleri var. tenuis Bharadwaja
* Scytonema gomontii Gutwinski
* Scytonema granulatum G.Martens
* Scytonema guyanense Bornet & Flahault
** Scytonema guyanense var. minus N.L.Gardner
** Scytonema guyanense var. prolifera Bharadwaja
* Scytonema hamelinii Gebelein
* Scytonema hansgirgii Schmidle
* Scytonema hieronymi Schmidle
* 霍夫曼伪枝藻 Scytonema hofmanii C.Agardh ex Bornet & Flahault
** Scytonema hofmanii f. phormidioides Frémy
** Scytonema hofmanii var. calcicola Hansgirg
** Scytonema hofmanii var. crassum Bharadwaja
** Scytonema hofmanii var. symplocoides Bornet & Flahault
* Scytonema holstii Hieronymous
* Scytonema hormocystum Zhu, 1987
* 透明伪枝藻 Scytonema hyalinum N.L.Gardner
* Scytonema immersum H.C.Wood
* Scytonema inaequale Kufferath
* Scytonema incrassatum C.-C.Jao
* Scytonema induratum J.J.Copeland
* Scytonema insigne West & G.S.West
* Scytonema insulare C.L.Sant'Anna
* Scytonema intermedium De Wildeman
* Scytonema intertextum Rabenhorst
** Scytonema involvens var. elongatum Bourrelly
* Scytonema iyengarii Bharadwaja
* 爪哇伪枝藻 Scytonema javanicum Bornet ex Bornet & Flahault
** Scytonema javanicum var. distortum N.L.Gardner
** Scytonema javanicum var. hawaiiense Lemmermann
** Scytonema javanicum var. pallidum N.L.Gardner
* 朱氏伪枝藻 Scytonema julianum Meneghini ex B.A.Whitton
* Scytonema junipericola Farlow
* Scytonema keiense Weber-van Bosse
* 广西伪枝藻 Scytonema kwangsiense C.-C.Jao
* Scytonema leprieurii Montagne ex Bornet & Flahault
* Scytonema leptobasis Ghose
* Scytonema longiarticulatum N.L.Gardner
* Scytonema lyngbyoides N.L.Gardner
* Scytonema maculiforme Schmidle
* Scytonema magnum N.L.Gardner
* Scytonema malaviyanense Bharadwaja
* Scytonema masonianum H.Welsh
* Scytonema millei Bornet ex Bornet & Flahault
** Scytonema millei var. maius N.L.Gardner
* Scytonema minus (Schmidle) Lemmermann
** Scytonema minus var. istvanffianum Kol
* Scytonema mirabile Bornet
** Scytonema mirabile f. minus Bharadwaja
** Scytonema mirabile f. zonatum Geitler
** Scytonema mirabile var. majus N.L.Gardner
** Scytonema mirabile var. rhaeticum Brügge
* Scytonema multiramosum N.L.Gardner
** Scytonema multiramosum var. ceylonicum Bharadwaja
* Scytonema myochrous C.Agardh ex Bornet & Flahault
** Scytonema myochrous var. decumbens (Kützing) Rabenhorst
* Scytonema obscurum Hansgirg ex Hirn
** Scytonema obscurum var. terrestre Hansgirg
* Scytonema occidentale Setchell
* Scytonema ocellatum Lyngbye ex Bornet & Flahault
** Scytonema ocellatum var. capitatum Ghose
** Scytonema ocellatum var. constrictum N.L.Gardner
** Scytonema ocellatum var. maius N.L.Gardner
** Scytonema ocellatum var. purpureum N.L.Gardner
* Scytonema olivaceum Zeller
* 东方伪枝藻 Scytonema orientale C.-C.Jao
* Scytonema papillicapitatum C.L.Sant'Anna & J.Komárek
* Scytonema papuasicum Borzì
* Scytonema parlatorii Fiorini-Mazzanti ex Bornet & Flahault
* Scytonema parvulum Zeller
* Scytonema pascheri Bharadwaja
* Scytonema pellucidum C.Cramer
* Scytonema planum Copeland
* 多孢伪枝藻 Scytonema polycystum Bornet & Flahault
** Scytonema polycystum var. aethiopicum West & G.S.West
* Scytonema polymorphum Jaag
* Scytonema praegnans Skuja
* Scytonema pratii Komárek
* Scytonema pseudoguyanense Bharadwaja
* Scytonema pseudohofmanii Bharadwaja
* Scytonema pseudopunctatum Skuja
* Scytonema pulchellum N.L.Gardner
* Scytonema pulvinatum Nordstedt
* Scytonema punctatum N.L.Gardner
* Scytonema racovitzae De Wildeman
* Scytonema rhizophorae Zeller
* 溪生伪枝藻 Scytonema rivulare Borzì ex Bornet & Flahault
** Scytonema saleyeriense var. indica Bharadwaja
* Scytonema saleyeriense Weber-van Bosse
* Scytonema samoense Wille
* Scytonema sanpaulense Sant'Anna
* Scytonema santannae Hentschke & J.Komárek
* Scytonema schmidlei J.B.De Toni
* 施氏伪枝藻 Scytonema schmidtii Gomont
* Scytonema seagriefianum Welsh
* Scytonema siculum Borzì ex Bornet & Flahault
* Scytonema simmeri Schmidle
* 简单伪枝藻 Scytonema simplex Bharadwaja
** Scytonema simplex f. majus Vasishta
* Scytonema simplice Wood
* 中华伪枝藻 Scytonema sinense C.-C.Jao
* Scytonema singhii Singh
* Scytonema spirulinoides N.L.Gardner
* Scytonema splendens F.E.Fritsch & F.Rich
* 有须伪枝藻 Scytonema stuposum Bornet ex Bornet & Flahault
* Scytonema stygium Heufler
* Scytonema subclavatum Zeller
* Scytonema subcoactile C.-C.Jao
** Scytonema subcoactile var. aurantiacum Sarthou, Thérézien & Couté
* Scytonema subgelatinosum N.L.Gardner
* 细弱双歧藻 Scytonema subtile K.Möbius
* Scytonema tenellum N.L.Gardner
* Scytonema tenue N.L.Gardner
* Scytonema thermale Friedrich Traugott KützingKützing
* Scytonema tolypothrichoides Friedrich Traugott KützingKützing ex Bornet & Flahault
** Scytonema tolypotrichoides f. terrestris Bharadwaja
* Scytonema tomentosum Kützing
* Scytonema torulosum C.-C.Jao
** Scytonema turicense var. muscicola Hepp
* Scytonema twymanianum Welsh
* Scytonema variabile N.L.Gardner
* Scytonema varium Kützing ex Bornet & Flahault
* Scytonema vieillardii G.Martens
* Scytonema violascens Zeller
* Scytonema wolleanum Forti
* Scytonema zellerianum Brühl & Biswas
==参考文献==