Coryphantha section Pycnacanthae (Dicht & A. Luethy) Dan. Sanchez & D.Aquino stat. nov.

Coryphantha ser. Retusae Dicht & A. Lüthy, Cactaceae Syst. Init. 11: 14. 2001.Type: Coryphantha retusa (Pfeiff.) Britton & Rose, Cactaceae 4: 38. 1923.

Basionym.

Coryphantha ser. Pycnacanthae Dicht & A. Lüthy, Cactaceae Syst. Init. 11: 15. 2001.

Type.

Coryphantha pycnacantha (Mart.) Lem., Cactées: 35. 1868.

Species included

(*inserta sedis): Coryphantha bumamma (C.Ehrenb.) Britton & Rose, C. calipensis Bravo ex S.Arias, U. Guzmán & S.Gama, C. elephantidens (Lem.) Lem., C. greenwoodii Bravo, C. pallida Britton & Rose, * C. pseudoradians Bravo, C. pycnacantha (Mart.) Lem., C. retusa (Pfeiff.) Britton & Rose, and C. tripugionacantha A.B. Lau.