Gymnocalycium glaucum subsp. ferrarii
Gymnocalycium glaucum subsp. ferrarii in Cactaceae Syst. Init. 20: 18. 2005 sec. Charles 20091
- ≡Gymnocalycium ferrarii in Kakteen And. Sukk. 32: 7, figs. 1981 syn. sec. Charles 20091
- Type: Argentina, Catamarca, Santa Teresa, W. Rausch 718 (ZSS)
- =Gymnocalycium ferrarii subsp. evae in Acta Mus. Richnov., Sect. Nat., 14(4): 98. 2007 syn. sec. Kew WCVP (2019)2