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

Rebutia (Aylostera) gonjianii was first described by Roberto Kiesling in Boletín de la Sociedad Argentina de Botánica vol. XV: 1,

Regarded by some as a form of Aylostera einsteinii. It has flowers similar to A. einsteinii, being usually a pale

Rebutia (Aylostera) gavazzii was originally found by S. Mosti, after looking through the glasshouse collection of Leonardo Gavazzi. The plants

Regarded by some as a form of Aylostera eos, A. colorea, or A. pygmaea, and has been the subject of

Rebutia (Aylostera) froehlichiana was first described in Succulenta, 54:12, pp. 225-226, in 1975 by Walter Rausch. Here is the text

Misidentification and mislabelling has caused confusion with this species. Regarded by some as a form of Aylostera pygmaea, A. mamillosa,

A recent discovery, Rebutia (Aylostera) fischeriana was described in Kaktusy XXXVIII: 3, pp. 66-70, by Rudolf Slaba in 2002. I

Rebutia (Aylostera) donaldiana was described in Ashingtonia 1:7, pp. 76-78, in 1974 by Alfred Lau and Gordon Rowley. The description