Pelecyphora laredoi (Glass & R.A.Foster) D.Aquino & Dan. Sanchez comb. nov.

Coryphantha laredoi ≡ Coryphantha laredoi Glass & R.A.Foster, Cact. Succ. J. (Los Angeles) 50: 235. 1978. Escobaria laredoi (Glass & R.A.Foster) N.P.Taylor, Cact. Succ. J. Gr. Brit. 41: 20. 1979. Type: México, Coahuila, SE Coahuila, about 2 km N of El Cinco, SE of General Cepeda, near top of a mountain pass, Sierra de Parras, Feb 1972, C. Glass & R. Foster 3761 (holotype: POM; isotype: ASU [0018460 image!]).