Espostoa melanostele subsp. nana (F.Ritter) G.J.Charles in Cactaceae Syst. Init. 14: 15. 2002
Espostoa melanostele subsp. nana in Cactaceae Syst. Init. 14: 15. 2002
is new combination for Espostoa nana in Taxon 13(4): 143. 1964
Espostoa melanostele subsp. nana in Cactaceae Syst. Init. 14: 15. 2002