Pelecyphora macromeris subsp. runyonii (Britton & Rose) D.Aquino & Dan. Sanchez comb. nov.

Coryphantha runyonii ≡ Coryphantha runyonii Britton & Rose, Cactaceae (Britton & Rose) 4: 26. 1923. Lepidocoryphantha runyonii (Britton & Rose) Backeb., Cactaceae (Backeberg) 5: 2975. 1961. Coryphantha macromeris var. runyonii (Britton & Rose) L.D.Benson, Cact. Succ. J. (Los Angeles) 41: 188. 1969. Coryphantha macromeris subsp. runyonii (Britton & Rose) N.P.Taylor, Cactaceae Consensus Init. 6: 15. 1998. Lepidocoryphantha macromeris subsp. runyonii (Britton & Rose) Doweld, Sukkulenty 2: 28. 1999. Type: United States, Texas, to Rio Grande [City], 10 Aug 1921, R. Runyon 15 (lectotype, designated by Benson, Cact. Succ. J. (Los Angeles): 188. 1969: US [2761309 image!]).

Coryphantha pirtlei = Coryphantha pirtlei Werderm. Notizbl. Bot. Gart. Berlin-Dahlem 12: 226. 1934. Type: United States, Texas, Starr County, 1931. W. A. Pirtle s.n. Notes. Benson (1982) indicates that the material type of Coryphantha pirtlei was preserved. However, there is no certainty about the herbarium where it was deposited.