Eriosyce camanaensis (F. Cáceres) M. H. J. van der Meer species accepted

Eriosyce castanea (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce chilensis (Hildm. ex K. Schum.) Katt. species accepted

Eriosyce clavata (Söhrens ex K. Schum.) Helmut Walter species accepted

Eriosyce coimasensis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce confinis (F. Ritter) Katt. species accepted

Eriosyce curvispina (Bertero ex Colla) Katt. species accepted

Eriosyce duripulpa (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce elquiensis (Katt.) P. C. Guerrero & Helmut Walter species accepted

Eriosyce eriosyzoides (F. Ritter) Ferryman species accepted

Eriosyce esmeraldana (F. Ritter) Katt. species accepted

Eriosyce fankhauseri (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce fulva (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce garaventae (F. Ritter) Katt. species accepted

Eriosyce glabrescens (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce heinrichiana (Backeb.) Katt. species accepted

Eriosyce iquiquensis (F. Ritter) Ferryman species accepted

Eriosyce islayensis (C. F. Först.) Katt. species accepted

Eriosyce krausii (F. Ritter) Katt. species accepted

Eriosyce kunzei (C. F. Först.) Katt. species accepted

Eriosyce limariensis (F. Ritter) Katt. species accepted

Eriosyce litoralis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce malleolata (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce marksiana (F. Ritter) Katt. species accepted

Eriosyce megliolii (Rausch) Ferryman species accepted

Eriosyce napina (Phil.) Katt. species accepted

Eriosyce nigrihorrida (Backeb. ex A. W. Hill) P. C. Guerrero & Helmut Walter species accepted

Eriosyce occulta Katt. species accepted

Eriosyce odieri (Lem. ex Salm-Dyck.) Katt. species accepted

Eriosyce paucicostata (F. Ritter) Ferryman species accepted

Eriosyce riparia (Mächler & Helmut Walter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce rodentiophila F. Ritter species accepted

Eriosyce simulans (F. Ritter) Katt. species accepted

Eriosyce sociabilis (F. Ritter) Katt. species accepted

Eriosyce spectabilis Katt., Helmut Walter & J. C. Acosta species accepted

Eriosyce spinosior (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce strausiana (K. Schum.) Katt. species accepted

Eriosyce subgibbosa (Haw.) Katt. species accepted

Eriosyce taltalensis (Hutchison) Katt. species accepted

Eriosyce tenebrica (F. Ritter) Katt. species accepted

Eriosyce umadeave (Fric ex Kreuz.) Katt. species accepted

Eriosyce vallenarensis (F. Ritter) Katt. species accepted

Eriosyce villicumensis (Rausch) Katt. species accepted

Eriosyce wagenknechtii (F. Ritter) Katt. species accepted

Eriosyce recondita (F. Ritter) Katt. species accepted

Eriosyce aspillagae (Söhrens) Katt. species accepted

Eriosyce senilis (Backeb.) Katt. species accepted

Eriosyce atroviridis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce crispa (F. Ritter) Katt. species accepted

Eriosyce villosa (Monv.) Katt. species accepted

Eriosyce aurata (Pfeiff.) Backeb. species accepted

Eriosyce engleri (F. Ritter) Katt. species accepted

Eriosyce andreaeana Katt. species accepted

Eriosyce armata (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce bulbocalyx (Werderm.) Katt. species accepted

Eriosyce calderana (F. Ritter) Ferryman species accepted

Eriosyce caliginophila R. Pinto species accepted

Eriosyce andicola (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce orientalis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce robusta (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce grandiflora (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce choapensis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce horrida (Remy ex Gay) P. C. Guerrero & Helmut Walter species accepted

Eriosyce aconcaguensis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce mutabilis (F. Ritter) P. C. Guerrero & Helmut Walter species accepted

Eriosyce lichyi (Matusz. & Kupcák) comb. ined. species provisionally accepted