Lichtenzveig J., Abbo S., Nerd A., Tel-Zur N., Mizrahi Y., Cytology and mating systems in the climbing Cacti Hylocereus and Selenicereus, American Journal of Botany, 2000, 87(7):1058-1065, doi: 10.2307/2657005
Chromosome numbers, meiosis and reproductive systems in the fruit-cactus material examined.