Epithelantha greggii subsp. potosina D.Donati & Zanov. in Piante Grasse 30: 186. 2010
Epithelantha greggii subsp. potosina in Piante Grasse 30: 186. 2010
is basionym for Epithelantha potosina in Syst. Bot. 44(3): 612. 2019
Holotype: Mexico, San Luis PotosÃ: East of Charco Blanco, 2010, G.S. Hinton & D. Donati 29229 (GBH: 029229)
Epithelantha greggii subsp. potosina in Piante Grasse 30: 186. 2010