Regarded by some as a form of Aylostera steinmannii, indeed, first described as such by Rausch. The difference from the type is stated as being ribs clearly divided by notches between tubercles, and habitat from lower levels near La Cueva, Bolivia. Found to be distinctive enough to be given specific status by Mosti & Papini (2011).
The description is here.
Plants of this species in the collection include:
We do not yet have any plants of this species in the collection.