Can grow to a relatively large plant compared to other A. pygmaea types, and with characteristic large double-flowers. Regarded by

Aylostera (Rebutia (Digitorebutia)) carmeniana was first described by Walter Rausch in Kakteen und andere Sukkulenten 29(5): 105-106, 1978, the journal

Regarded by many as a form of Aylostera nigricans. Considered to be distinct enough to be given specific status by

Regarded by many as a form of A. pygmaea, or A. haagei, or A. pygmaea var. haagei. Regarded as distinctive

Rebutia (Aylostera) camargoensis was originally published in Succulenta 55(3): 41-2, the journal of the Nederlands-Belgische Vereniging Van Liefhebbers Van Cactussen

Regarded by many as a form of A. steinmannii. Found to be distinct enough to be given specific status by

Regarded by many as a form of A. oculata, which itself is sometimes regarded as a form of A. euanthema

The original description of Rebutia (Aylostera) pauciareolata was published in Kakteen und andere Sukkulenten 28(4): 77, 1977, the journal of

Included by some under Aylostera atrovirens or A. pygmaea. Regarded as distinct enough to be given specific status by Mosti

Aylostera pseudominuscula was originally described, as Echinopsis pseudominuscula, by C. Spegazzini in Anales Museum Nacional Buenos Aires ser. 3, 4:

Regarded by some as a form of Aylostera deminuta. A little taller than spherical, with a dark green epidermis, with

Aylostera (Rebutia) oculata was originally described by Erich Werdermann in Blühende Kakteen und andere Sukkulenten pflanzen, table 99, in 1935.