Gymnocalycium cardenasianum subsp. pseudoarmatum V.Gapon & Vikulov in Kaktus-Klub, n.s. 5(1): 50. 2021 Gymnocalycium cardenasianum subsp. pseudoarmatum V.Gapon & Vikulov in Kaktus-Klub, n.s. 5(1): 50. 2021Taxon for this nameGymnocalycium cardenasianum subsp. pseudoarmatum V.Gapon & Vikulov