• Micrasterias C.A. Agardh ex Ralfs, 1848
• Micrasterias abrupta W. West & G.S. West
• Micrasterias aculeata M. Rostock
• Micrasterias adscendens Nordstedt
• Micrasterias aequilobata O.F. Borge
• Micrasterias alata G.C. Wallich, 1860
• Micrasterias ambadiensis (R.L. Grönblad & A.M. Scott) K. Thomasson
• Micrasterias americana Ehrenberg ex Ralfs, 1848
• Micrasterias ampullacea Maskell, 1881 accepted as Micrasterias mahabuleshwarensis J. Hobson, 1863
• Micrasterias angulosa Hantzsch, 1862 accepted as Micrasterias denticulata Brébisson ex Ralfs, 1848
• Micrasterias anomala W.B. Turner
• Micrasterias anomale W.B. Turner
• Micrasterias apiculata Meneghini ex Ralfs, 1848
• Micrasterias archeri P.F.M. Coesel & M. Dingley, 2005
• Micrasterias arcuata Bailey
• Micrasterias articulata (C.A. Agardh) Kützing
• Micrasterias auclairii Rochou dÕAubert, 1910 accepted as Micrasterias jenneri Ralfs, 1848
• Micrasterias baileyi J. Ralfs
• Micrasterias berganii H.V. Hauge
• Micrasterias bewsii F.E. Fritsch & M.F. Rich
• Micrasterias bicaudata (A.K.H. Braun ex Kützing) Kuntze
• Micrasterias bioctonaria G.L. Rabenhorst
• Micrasterias biplex (P.F. Reinsch) Kuntze
• Micrasterias borgei Willi Krieger
• Micrasterias boryana (P.J.F. Turpin) Ehrenberg
• Micrasterias boryi Kützing
• Micrasterias bourrellyana J.A. Rino
• Micrasterias brachyptera P. Lundell, 1871
• Micrasterias braunii (C.W. Nägeli ex Kützing) Kuntze
• Micrasterias ceratofera Joshua
• Micrasterias ceratofora
• Micrasterias ceratophora W. Joshua
• Micrasterias comperei R.S. Ganem & P.A.C. Senna
• Micrasterias complecta C.G.T. Preuss
• Micrasterias conferta P. Lundell, 1871
• Micrasterias convoluta (A.K.J. Corda) Kuntze
• Micrasterias cordae A. Braun
• Micrasterias cornuta A.W. Bennett
• Micrasterias coronula Ehrenberg
• Micrasterias crenata Brébisson ex Ralfs, 1848
• Micrasterias croasdaleana C.E.M. Bicudo & L. Sormus
• Micrasterias cruciata G.C. Wallich
• Micrasterias cruciata Kützing
• Micrasterias crucigenia Kützing
• Micrasterias crux-africana F.J. Cohn
• Micrasterias crux-melitensis (Ehrenberg) Trevisan
• Micrasterias crux-melitensis (Ehrenberg) Trevisan, 1842
• Micrasterias crux-melitensis Ralfs, 1848
• Micrasterias cunningtonii G.S. West
• Micrasterias curx-melitensis accepted as Micrasterias crux-melitensis (Ehrenberg) Trevisan, 1842
• Micrasterias decemdentata (Nägeli) W. Archer, 1861
• Micrasterias decemdentatum (C.W. Nägeli) W. Archer
• Micrasterias denticula G. Istvanfy de Csík Madéfalva
• Micrasterias denticulata Brébisson ex Ralfs, 1848
• Micrasterias depauperata C.F.O. Nordstedt
• Micrasterias dichotoma F. Wolle
• Micrasterias disputata H.C. Wood
• Micrasterias divisa Willi Krieger
• Micrasterias doveri Biswas
• Micrasterias doverii K.P. Biswas
• Micrasterias duplex (Meyen) Kützing
• Micrasterias echinata P.E. Brandham
• Micrasterias ecornis
• Micrasterias eichleri Schmidle
• Micrasterias elliptica Ehrenberg, 1834 accepted as Pediastrum ellipticum Ehrenberg ex Ralfs, 1848
• Micrasterias emarginata Ehrenberg
• Micrasterias enneactis Ehrenberg
• Micrasterias euastriellopsis S.G. Bharati
• Micrasterias euastroides Joshua accepted as Micrasterias tropica Nordstedt, 1870
• Micrasterias excavata (Nordstedt) C.E.M. Bicudo & L. Sormus, 1982
• Micrasterias excelsior G.C. Wallich
• Micrasterias expansa Bailey
• Micrasterias extendens W.B. Turner
• Micrasterias falcata A.K.J. Corda
• Micrasterias falcata Corda
• Micrasterias falcatus Corda accepted as Ankistrodesmus falcatus (Corda) Ralfs, 1848
• Micrasterias falcula (A.K.H. Braun ex G.L. Rabenhorst) Kuntze
• Micrasterias fimbriata Ralfs, 1848
• Micrasterias floridensis R.K. Salisbury
• Micrasterias foersteri K. Thomasson
• Micrasterias foliacea Bailey ex Ralfs, 1848
• Micrasterias furcata C. Agardh ex Ralfs, 1848
• Micrasterias furcata C. Agardh, 1827 accepted as Micrasterias furcata C. Agardh ex Ralfs, 1848
• Micrasterias galeata O.F. Borge
• Micrasterias ghibellina Meneghini
• Micrasterias granulata H.C. Wood
• Micrasterias groenewaldii M.I. Claassen
• Micrasterias halis M. Raciborski
• Micrasterias hamata (F. Wolle) F.C.E. Børgesen
• Micrasterias hardeyii
• Micrasterias hardyi G.S. West
• Micrasterias heliactis Kützing
• Micrasterias heptactis Ehrenberg
• Micrasterias hermanniana Reinsch
• Micrasterias hexactis Ehrenberg
• Micrasterias hexagona G.W. Grant
• Micrasterias hexagonalis F. Steinecke
• Micrasterias hieronymusii Schmidle
• Micrasterias horrida C.E. Taft
• Micrasterias incisa Ralfs, 1848