Cylindropuntia bigelovii (Engelm.) F.M. Knuth Cylindropuntia bigelovii (Engelm.) F.M. Knuth, Kaktus-ABC: 125. 1936 sec. Hunt 2016≡Opuntia bigelovii Engelm. in Proc. Amer. Acad. Arts 3: 307. 1856 syn. sec. Guzmán & al. 2003