Regarded by some as a form of Aylostera supthutiana, A. schatzliana or of A. pygmaea. Originally described by Rausch as

Lobivia (Aylostera) steinmannii var. tuberculata (tuberculata) was first described by Walter Rausch in Lobivia 85, pp. 129 and 145, in

Regarded by some as a form of Aylostera steinmannii, indeed, first described as such by Rausch. The difference from the

Rebutia (Aylostera) torquata was first described by Friedrich Ritter and Albert Frederik Hendrik Buining in Succulenta 56 (3), p. 63,

A very attractively-stemmed plant, the short spines along very well defined ribs, often spiralling around, with clear space between each

Aylostera tafnaensis was first described as a variety of Lobivia (Aylostera) pygmaea by Walter Rausch in Lobivia 85, pp. 116

Regarded by many as yet another form of Aylostera pygmaea. Stated by Rausch (who described it as a form of

A distinctive, comparatively large plant with long, dense spines and white or pale pink to orangy-pink flowers only recently described,

Only recently described in 2005, and regarded by many as a form of Aylostera yuquinensis, A. pygmaea, A. haagei, A.

Aylostera pygmaea was first described (as Echinopsis pygmœa) by Robert E. Fries in Nova Acta Regiae Societatis Scientiarum Upsaliensis, Ser

Aylostera pygmaea was one of the first of the Mediolobivias to be described, in 1905; the name refers to it