Found by Ralf Hillmann at Alfarsito, Salta, Argentina.

Regarded by most as a form of Aylostera spegazziniana. Listed by Mosti & Papini (2011) as a species in its
A relatively recent discovery, this plant only having been described in 1989. Regarded by some as a form of Aylostera
Regarded by some as a form of Aylostera pseudodeminuta, A. deminuta or A. spegazziniana. This is a mid- to darkish
Regarded by some as a form of Aylostera spegazziniana. Sometimes confused with A. fusca or A. deminuta, to the latter
Regarded by some as yet another form of Aylostera fiebrigii. Like that species, forming largeish spheroid green stems, clumping with
Regarded by some as a form of Aylostera spegazziniana. Closely related to other species in the same area where it