Frailea phaeodisca (Speg.) Backeb. & F.M.Knuth species accepted

Frailea stockingeri Prestlé species accepted

Frailea altasensis Prestlé species accepted

Frailea alexandri Metzing species accepted

Frailea erythracantha R.Pontes, A.S.Oliveira & Deble species accepted

Frailea gracillima (Lem.) Britton & Rose species accepted

Frailea curvispina Buining & Brederoo species accepted

Frailea chiquitana Cárdenas species accepted

Frailea castanea Backeb. species accepted

Frailea buenekeri W.R.Abraham species accepted

Frailea aureispina F.Ritter species accepted

Frailea schilinzkyana (F.Haage ex K.Schum.) Britton & Rose species accepted

Frailea pumila (Lem.) Britton & Rose species accepted

Frailea cataphracta (Dams) Britton & Rose species accepted

Frailea pygmaea (Speg.) Britton & Rose species accepted

Frailea piltzii C.A.L.Bercht & Schädlich species accepted

Frailea mammifera Buining & Brederoo species accepted

Frailea diersiana Schädlich species accepted