Not an accepted name (status: unknown).
The accepted name is
Pelecyphora robbinsorum (W.H.Earle) D.Aquino & Dan.Sánchez.
Escobaria robbinsorum
(Earle) D.R.Hunt, 1978
4% complete
No common name
Cact. Succ. J. Gr. Brit. 40: 13 (1978)
Synonyms
No known synonyms