steinmannii
Aylostera, (Mediolobivia, Digitorebutia)
R. steinmannii (Solms-Laub.) Br. et R. 1922 - Fearn & Pearcy 1981: (genus Rebutia, section I. Aylostera)
R. steinmannii (Solms-Laub.) Br. et R. 1922 - Šída 2004: (genus Rebutia, subgen. Pygmaeolobivia, sectio 4. Digitorebutia, series 8. Steinmannii, spec.1.)
A. steinmannii (Solms-Laub.) Backeb. 1959 - Mosti & Papini 2011: spec.101, Rebutia I (genus Aylostera, subg. Mediolobivia)
A. pygmaea (sensu R.E.Fries) - Ritz & al. 2016: spec.8 (genus Aylostera, clade Digitorebutia)