In body shape rather different from other Aylostera, growing longer with age, and with white flowers, occasionally pink. Over time

Regarded by some as a form of Aylostera muscula. A very distinctive and attractive plant, with long, dense, white, hair-like,

Aylostera knizei was described (as Lobivia pygmaea var. knizei) in Lobivia 85, p. 144, by Walter Rausch in 1987. Here

Regarded by some as a form of Aylostera diersiana, which itself is sometimes regarded as a form of A. pygmaea.

Aylostera iscayachensis was described (as Rebutia (Digitorebutia) iscayachensis) in Succulenta 56, p. 3, by Walter Rausch in 1977. Here is

Aylostera leucacantha was first described (as Lobivia steinmannii var. leucacantha) in Lobivia 85, pp. 145 -146, by Walter Rausch in

Regarded by some as yet another form of Aylostera pygmaea. Found to be distinct enough to be given specific status

Regarded by many as a form of Aylostera steinmannii, indeed was originally described as Lobivia steinmannii var. leucacantha. Found to

Named for the iridescent sheen of the flowers. Regarded by many as a form of Aylostera pygmaea or A. steinmannii.

Rebutia (Aylostera) heliosa was first described by Walter Rausch in Kakteen und andere Sukkulenten 21(2): pp. 30-31, 1970, the journal

A beautiful, distinctive, tightly spined small cylindrical plant, with bright orange or red flowers. The name comes from Helios, the

Rebutia (Aylostera) huasiensis was first described by Walter Rausch in Kakteen und andere Sukkulenten 28(2): pp. 25-26, 1977, the journal