Colorado Buck Horn Cholla: Cylindropuntia acanthocarpa var. coloradensis (Synonym: Opuntia acanthocarpa var. coloradensis)
Buckhorn Cholla: Cylindropuntia acanthocarpa var. major (Synonyms: Opuntia acanthocarpa var. major, Opuntia echinocarpa var. major)
Teddybear Cholla: Cylindropuntia bigelovii (Synonym: Opuntia bigelovii)
Golden Cholla, Silver Cholla, Staghorn Cholla, Wiggins' Cholla: Cylindropuntia echinocarpa (Synonyms: Opuntia echinocarpa, Opuntia wigginsii)
Gander's Buckhorn Cholla, Gander's Cholla: Cylindropuntia ganderi (Synonyms: Opuntia acanthocarpa ssp. ganderi, Opuntia ganderi)
Branched Pencil Cholla: Cylindropuntia ramosissima (Synonym: Opuntia ramosissima)
Whipple Cholla: Cylindropuntia whipplei (Synonyms: Opuntia whipplei; Cylindropuntia hualpaensis; Cylindropuntia whipplei var. enodis; Opuntia whipplei var. enodis; Opuntia whipplei var. laevior)
Wolf's Cholla, Wolf's Opuntia: Cylindropuntia wolfii (Synonyms: Opuntia echinocarpa var. wolfii, Opuntia wolfii)