Frailea pygmaea subsp. tuyensis (Buining & G.Moser) Metzing in Cactaceae Syst. Init. 21: 16. 2006
Frailea pygmaea subsp. tuyensis in Cactaceae Syst. Init. 21: 16. 2006
is new combination for Frailea cataphracta var. tuyensis in Succulenta (Netherlands) 50: 64. 1971
Frailea pygmaea subsp. tuyensis in Cactaceae Syst. Init. 21: 16. 2006