Cylindropuntia molesta (K. Brandegee) F.M. Knuth Cylindropuntia molesta (K. Brandegee) F.M. Knuth, Kaktus-ABC: 126. 1936 sec. Hunt 2016≡Opuntia molesta Brandegee in Proc. Calif. Acad. Sci., ser. 2, 2: 164. 1889 syn. sec. Guzmán & al. 2003