Gymnocalycium alenae Kulhánek species accepted

Gymnocalycium amerhauseri H. Till species accepted

Gymnocalycium andreae (Boed.) Backeb. & F. M. Knuth species accepted

Gymnocalycium anisitsii (K. Schum.) Britton & Rose species accepted

Gymnocalycium basiatrum F. Berger, Amerh. & Sedlmeier species accepted

Gymnocalycium bayrianum H. Till ex H. Till species accepted

Gymnocalycium berchtii Neuhuber species accepted

Gymnocalycium bodenbenderianum (Hosseus) A. Berger species accepted

Gymnocalycium bruchii (Speg.) Hosseus species accepted

Gymnocalycium cabreraense Schädlich, C. A. L. Bercht & Melojer species accepted

Gymnocalycium calochlorum (Boed.) Y. Itô species accepted

Gymnocalycium campestre Repka species accepted

Gymnocalycium castellanosii Backeb. species accepted

Gymnocalycium chiquitanum Cárdenas species accepted

Gymnocalycium denudatum (Link & Otto) Pfeiff. ex Mittler species accepted

Gymnocalycium erinaceum J. G. Lamb. species accepted

Gymnocalycium esperanzae Repka & Kulhánek species accepted

Gymnocalycium gibbosum (Haw.) Pfeiff. ex C. F. Först. species accepted

Gymnocalycium horstii Buining species accepted

Gymnocalycium hossei (F. Haage ex A. Berger) A. W. Hill species accepted

Gymnocalycium kieslingii O. Ferrari species accepted

Gymnocalycium kroenleinii R. Kiesling, Rausch & O. Ferrari species accepted

Gymnocalycium kuehhasii Neuhuber & R. Sperling species accepted

Gymnocalycium kulhanekii Papsch species accepted

Gymnocalycium marsoneri Fric ex Y. Itô species accepted

Gymnocalycium mendozaense C. A. L. Bercht & Schädlich species accepted

Gymnocalycium mihanovichii (Fric & Gürke) Britton & Rose species accepted

Gymnocalycium monvillei (Lem.) Pfeiff. ex Britton & Rose species accepted

Gymnocalycium mostii (Gürke) Britton & Rose species accepted

Gymnocalycium neuhuberi H. Till & W. Till species accepted

Gymnocalycium ochoterenae Backeb. species accepted

Gymnocalycium oenanthemum Backeb. species accepted

Gymnocalycium paediophilum Schütz species accepted

Gymnocalycium paraguayense (K. Schum.) Hosseus species accepted

Gymnocalycium pflanzii (Vaupel) Werderm. species accepted

Gymnocalycium ponomarevae V. Gapon & Neuhuber species accepted

Gymnocalycium pugionacanthum Backeb. species accepted

Gymnocalycium quehlianum (F. Haage ex Quehl) Vaupel ex Hosseus species accepted

Gymnocalycium ragonesei A. Cast. species accepted

Gymnocalycium reductum (Link) Pfeiff. ex Mittler species accepted

Gymnocalycium rhodantherum (Boed.) H. Till species accepted

Gymnocalycium ritterianum Rausch species accepted

Gymnocalycium robustum R. Kiesling, O. Ferrari & Metzing species accepted

Gymnocalycium saglionis (Cels) Britton & Rose species accepted

Gymnocalycium sanluisense Neuhuber species accepted

Gymnocalycium schickendantzii (F. A. C. Weber) Britton & Rose species accepted

Gymnocalycium schroederianum Osten species accepted

Gymnocalycium spegazzinii Britton & Rose species accepted

Gymnocalycium striglianum Jeggle species accepted

Gymnocalycium taningaense Piltz species accepted

Gymnocalycium affine Repka species accepted

Gymnocalycium nigriareolatum Backeb. species accepted

Gymnocalycium baldianum (Speg.) Speg. species accepted

Gymnocalycium uebelmannianum Rausch species accepted

Gymnocalycium glaucum F. Ritter species accepted

Gymnocalycium pinalii Mereg. & Kulhánek species accepted

Gymnocalycium uruguayense (Arechav.) Britton & Rose species accepted

Gymnocalycium capillaense (Schick) Hosseus species accepted

Gymnocalycium mesopotamicum R. Kiesling species accepted

Gymnocalycium eurypleurum F. Ritter ex Plesník species accepted

Gymnocalycium × applanatum Repka & Frélich species accepted

Gymnocalycium volskyi V. Gapon, Ponomareva, Protopopov, Schelkun. & Zaitseva species accepted

Gymnocalycium victorii Neuhuber species accepted

Gymnocalycium alboareolatum Rausch species accepted

Gymnocalycium marekiorum Milt species accepted

Gymnocalycium stenopleurum F. Ritter species accepted

Gymnocalycium × momo V. Gapon & Schelkun. species accepted

Gymnocalycium arzbergeri Schädlich species accepted