Oocystella parva (West & G.S.West) Hindák species synonym

Oocystella lacustris (Chodat) Hindák species synonym

Oocystella natans Lemmerm. species homotypic synonym

Oocystis panduriformis f. major West & G.S.West form synonym

Oocystis elliptica f. minor West form synonym

Oocystis crassa subsp. marssonii (Lemmermann) Printz subspecies synonym

Ooocystis marssonii Lemmerm. species synonym

Oocystella marssonii (Lemmerm.) Hindák, 1988 species synonym

Oocystis tainoensis Komárek species accepted

Oocystis borgei J.Snow species accepted

Oocystis apiculata W.West species accepted

Oocystis submarina Lagerh. species accepted

Oocystis parva W. & G.S.West species accepted

Oocystis nodulosa W. & G.S.West species accepted

Oocystis elliptica W.West species accepted

Oocystis novae-semliae Wille species accepted

Oocystis naegelii A.Braun species accepted

Oocystis panduriformis W. & G.S.West species accepted

Oocystis asymmetrica W. & G.S.West species accepted

Oocystis eremosphaeria G.M.Smith species accepted

Oocystis lacustris Chodat species accepted

Oocystis granulata Hortobagyi species accepted

Oocystis pusilla Hansg. species accepted

Oocystis marssonii Lemmerm. species accepted

Oocystis crassa var. marssonii (Lemmerm.) Printz variety synonym

Oocystis natans (Lemmerm.) Lemmerm. species accepted

Oocystis natans var. natans variety synonym

Oocystis natans var. major G.M.Smith variety synonym

Oocystis pelagica Lemmerm. species accepted

Oocystis citriformis species accepted

Oocystis pyriformis Prescott, 1944 species accepted

Oocystis novaesemilae Wille species accepted

Oocystis gloeocystiformis Borge species accepted

Oocystis socialis species accepted

Oocystis rhomboidea Fott species accepted

Oocystis elliptic W.West species accepted

Oocystis borgei subsp. borgei subspecies homotypic synonym

Oocystis lacustris subsp. lacustris subspecies homotypic synonym

Oocystis nephrocystioides Fott & Cado species accepted

Oocystella rhomboidea (Fott) Hindák, 1988 species synonym

Oocystis natans (Lemmermann) Wille species homotypic synonym

Oocystis apicurvata G.J.P.Ramos, C.E.M.Bicudo & C.W.N.Moura species accepted