Opuntia ficus
Habit at Makena, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution. - Foto visualizzata 16 volte

Opuntia ficus-indica
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 571. - Foto visualizzata 46 volte

Opuntia humifusa
Credit: Photo by Davide Tomasi - Cornedo Vicentino - Foto visualizzata 17 volte

Opuntia tuna
Credit: Photo by Enrico Romani - Foto visualizzata 42 volte