Turbinicarpus macrochele subsp. frailensis P.Lechner & Jantschgi in Turbi-Now 5: 14. 1998 Turbinicarpus macrochele subsp. frailensis P.Lechner & Jantschgi in Turbi-Now 5: 14. 1998Holotype: Mexico, San Luís Potosí. West of Matehuala, 1963, G. Frank s.n. (DES)Taxon for this nameTurbinicarpus macrochele subsp. frailensis P.Lechner & Jantschgi