haefneriana
Aylostera, (Mediolobivia, Digitorebutia)
M. haefneriana Cullm. 1955
R. pygmaea (Fries) Br. & R f. haefneriana (Cullm.) Buin.& Don. 1963 - Fearn & Pearcy 1981:(genus Rebutia, section III. Digitorebutia)
R. haefneriana (Cullm.) Šída 1997 - Šída 2008: (genus Rebutia, subgen. Pygmaeolobivia, sectio 4. Digitorebutia, series 10. Atrovirens, spec.2)
A. haefneriana (Cullm.) Mosti & Papini 2011 - Mosti & Papini 2011: spec.73, Rebutia I (genus Aylostera, subg. Mediolobivia)
A. pygmaea (sensu R.E.Fries) - Ritz & al. 2016: spec.8 (genus Aylostera, clade Digitorebutia)