Rebutia (Aylostera) spegazziniana was discovered by C. Backeberg on rocky mountain tops in Salta, Jujuy, Argentina and first described in

Found by Vladimir Šorma about 10km north east of Tarabuco, Chuquisaca, Bolivia, at an altitude of 3360m. The two plants

Rebutia (Aylostera) simoniana was first described by Walter Rausch in Kakteen und andere Sukkulenten 35(9): p.p. 204-5, the journal of

Rebutia (Aylostera) schatzliana was first described by Walter Rausch in Kakteen und andere Sukkulenten 26(11): p.p. 244 – 245, the

Rebutia (Aylostera) robustispina was first published in the Dutch journal Succulenta 56(3): p.p. 64-5 by Friedrich Ritter in 1977. The

Rebutia (Aylostera) pulchella was first described by Walter Rausch in Kakteen und andere Sukkulenten 23(12): p. 340, the journal of

Aylostera (Rebutia) pseudodeminuta was first described by Curt Backeberg in Der Kakteenfreund, Vol 2(1), p. 7, in 1933. I have

Rebutia (Aylostera) perplexa was first described by J. D. Donald in Ashingtonia 3(5 & 6): p.p. 150-2 in 1980. The

Rebutia (Aylostera) patericalyx was first described by Friedrich Ritter in Kakteen und andere Sukkulenten 28(4): p. 78, the journal of

Rebutia (Aylostera) nogalesensis was first described by Friedrich Ritter in Kakteen und andere Sukkulenten 28(4): p. 78, the journal of

Found by Martin Lowry at Inca Huasi, Chuquisaca, Bolivia, at an altitude of 2950m. Note that originally this plant was

Found by Alfred Lau east of Mina Asientos, near the border between Cochabamba and Chuquisaca, Bolivia, at an altitude of

Originally named Rebutia pilosa N.N., now thought to be a form of Aylostera fiebrigii. Found by Karel Kníže at Las

Originally named Rebutia aureispina N.N., now thought to be a form of Aylostera fiebrigii. Found by Karel Kníže at Junacas,