iscayachensis WR 335b
Aylostera, (Mediolobivia, Digitorebutia)
R. iscayachensis Rausch 1977 - Fearn Pearcy 1981: (genus Rebutia, section III. Digitorebutia)
R. iscayachensis Rausch 1977 - Šída 2004: (genus Rebutia, subgen. Pygmaeolobivia, sectio 4. Digitorebutia, series 4. Iscayachensis, species 1.)
A. iscayachensis (Rausch) Mosti & Papini 2011 - Mosti & Papini 2011: spec.76, Rebutia I (genus Aylostera, subg. Mediolobivia)
A. pygmaea (sensu R.E.Fries) - Ritz & al. 2016: spec.8 (genus Aylostera, clade Digitorebutia)