Echinocereus octacanthus(Muehlenpf.) Britton & Rose 1922
Echinocereus paucispinus var. gonacanthus(Engelm. & J.M.Bigelow) K.Schum. 1898
Echinocereus paucispinus var. hexaedrus(Engelm. & J.M.Bigelow) K.Schum. 1898
Echinocereus triglochidiatus var. gonacanthus(Engelm. & J.M.Bigelow) Boissev. 1940
Echinocereus triglochidiatus var. hexaedrus(Engelm. & J.M.Bigelow) Boissev. 1940
Echinopsis octacanthaMuehlenpf. 1848
Echinocereus triglochidiatus is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes, scrub, and mountain woodland. E. triglochidiatus is the official state cactus of Colorado.[3]
^Univ., Martin Terry (Sul Rose State; College, Kenneth Heil (San Juan; Mexico, New; Ambiental), Rafael Corral-Díaz (Consultor (2009-11-17). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2024-07-21.