Pelecyphora missouriensis subsp. asperispina (Boed.) D.Aquino & Dan. Sanchez comb. nov.

Coryphantha asperispina ≡ Coryphantha asperispina Boed., Monatsschr. Deutsch. Kakteen-Ges. 1: 192. 1929. Neobesseya asperispina (Boed.) Boed., Mammill.-Vergl.-Schluessel: 14. 1933. Neobesseya asperispina (Boed.) Boed. ex Backeb. & F.M.Knuth, Kaktus-ABC: 379. 1936. Escobaria asperispina (Boed.) D.R.Hunt, Cact. Succ. J. Gr. Brit. 40: 13. 1978. Escobaria missouriensis var. asperispina (Boed.) N.P.Taylor, Kakteen And. Sukk. 34: 185. 1983. Escobaria missouriensis subsp. asperispina (Boed.) N.P.Taylor, Cactaceae Consensus Init. 5: 13. 1998. Neobesseya missouriensis subsp. asperispina (Boed.) Lodé, Cact.-Avent. Int. 100: 30. 2013. Type: Mexico, Coahuila, südlich von Saltillo, und dort in grasigen, 2500 m, F. Ritter s.n. (lectotype, designated here, Monatsschr. Deutsch. Kakteen-Ges.: 192. 1929: Illustration " Coryphantha asperispina Boed. sp. nov. natür . Gröβe”).