Frailea pygmaea subsp. tuyensis
Frailea pygmaea subsp. tuyensis in Cactaceae Syst. Init. 21: 16. 2006 sec. Hunt 20061
- ≡Frailea cataphracta var. tuyensis in Succulenta (Netherlands) 50: 64. 1971 syn. sec. Hunt 20061
- ≡Frailea tuiyensis in Succulentes (France) 50(4): 64. 1971 syn. sec. Hunt 20061
- ≡Frailea tuyensis in Succulenta (Netherlands) 74(3): 130. 1995 syn. sec. Hunt 20061
- ≡Frailea cataphracta subsp. tuyensis in Succulenta (Netherlands) 74: 130. 1995 syn. sec. Hunt 20061
- Holotype: Paraguay, S of Paraguarí, Capilla Tuya, Friedrich B 710711 (ZSS: AA16-264)