Pelecyphora chihuahuensis subsp. henricksonii (Glass & R.A.Foster) D.Aquino & Dan. Sanchez comb. nov.

Escobaria henricksonii ≡ Escobaria henricksonii Glass & R.A.Foster, Cact. Succ. J. (Los Angeles) 49: 195. 1977. Coryphantha henricksonii (Glass & R.A.Foster) Glass & R.A.Foster, Cact. Succ. J. (Los Angeles) 51: 125. 1979. Escobaria chihuahuensis subsp. henricksonii (Glass & R.A.Foster) N.P.Taylor, Cactaceae Consensus Init. 5: 13. 1998. Escocoryphantha henricksonii (Glass & R.A.Foster) Doweld, Sukkulenty 2: 10. 1999. Type: México, Chihuahua, c. 16 mi. [25.74 km] E of Escalón, Sep 1972, J. S. Henrickson 7744 (holotype: POM [325439 image, two sheets!]).