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

Regarded by some as a form of Aylostera atrovirens. Rausch’s photograph and notes after the description give one of the

Mediolobivia (Aylostera) haefneriana was first described by Dr. W, Cullmann in Kakteen und andere Sukkulenten 6(2): 119, 1955, the journal

The original description of Rebutia (Aylostera) haagei was published in Kaktusář, 1: 88, in 1930 by Alberto Vojtěch Frič &

Regarded by some as yet another form of A. pygmaea. There has been much confusion with this species and the