Espostoa melanostele subsp. nana
Espostoa melanostele subsp. nana in Cactaceae Syst. Init. 14: 15. 2002 sec. Hunt 20061 wfo-0001430968
- ≡Espostoa nana in Taxon 13(4): 143. 1964 syn. sec. Hunt 20061 wfo-0000680883
- ≡Pseudoespostoa nana, Kakteenlex.: 371. 1966 syn. sec. Hunt 20061 wfo-0001287922
- Type: Peru, dept. Ancash, Huallanca, in the Cañon del Pato, 1953, F. Ritter 166 (U)