Negrón-Ortiz V., Chromosome numbers, nuclear DNA content, and polyploidy in Consolea (Cactaceae), an endemic cactus of the Caribbean Islands, American Journal of Botany, 2007, 94(8):1360-1370, doi: 10.3732/ajb.94.8.1360
The paper presents chromosome counts and cytometry for Consolea. It compares ploidy, including an estimate based on DNA in C. millspaughii subsp. caymanensis.