Nome piì appropriato
Echinomastus unguispinus ssp. durangensis (Runge) U. Guzmán (2003) (*)Sinonimi
Nomenclaturali
≡ Echinomastus unguispinus ssp. durangensis (Runge) U. Guzmán (2003) (*) ≡ Pediocactus unguispinus v. durangensis (Runge) Halda (1998) ≡ Sclerocactus unguispinus v. durangensis (Runge) N.P. Taylor (1987) ≡ Thelocactus durangensis (Runge) G.D. Rowley (1986) ≡ Echinomastus unguispinus v. durangensis (Runge) Bravo (1980) ≡ Neolloydia durangensis (Runge) L.D. Benson (1974) ≡ Echinocactus durangensis Runge (1890)
Filogenetici
