| 1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Benson, L. 1982. The cacti of the United States and Canada |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Florida | http://www.plantatlas.usf.edu/main.asp?plantID=3595 | Benson, L. 1982. The cacti of the United States and Canada |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Georgia | | Weakley, A. S. 2011. Flora of the southern and middle Atlantic states. |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | South Carolina | | Benson, L. 1982. The cacti of the United States and Canada |
| 1 | Native | Northern America | Southern Mexico | Mexico | Campeche | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Southern Mexico | Mexico | Querétaro | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Southern Mexico | Mexico | Quintana Roo | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Southern Mexico | Mexico | Tabasco | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Northern America | Southern Mexico | Mexico | Yucatán | | Hunt, D. et al., eds. 2006. The new cactus lexicon |
| 1 | Native | Southern America | Caribbean | Anguilla | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Antigua and Barbuda | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Bahamas | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Barbados | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Bermuda | | | George, A. S., ed. 1980-. Flora of Australia. |
| 1 | Native | Southern America | Caribbean | Cayman Islands | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Cuba | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Dominica | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Dominican Republic | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Grenada | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Guadeloupe | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Martinique | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Montserrat | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Netherlands Antilles | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | St. Kitts and Nevis | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | St. Lucia | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Caribbean | Virgin Islands (British) | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 1 | Native | Southern America | Western South America | Ecuador | | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 2 | Cultivated | | | | | also cult. | |
| 4 | Naturalized | Africa | Macaronesia | Spain | Canarias | | Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17. |
| 4 | Naturalized | Africa | Northeast Tropical Africa | Ethiopia | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 4 | Naturalized | Africa | Southern Africa | South Africa | | | Dyer, R. A. et al., eds. 1963-. Flora of southern Africa. |
| 4 | Naturalized | Africa | Western Indian Ocean | Madagascar | | | The Missouri Botanical Garden with others. A Catalogue of the vascular plants of Madagascar (on-line resource). |
| 4 | Naturalized | Asia-Temperate | Arabian Peninsula | Saudi Arabia | | | Miller, A. G. & T. A. Cope. 1996-. Flora of the Arabian Peninsula and Socotra. |
| 4 | Naturalized | Asia-Temperate | Arabian Peninsula | Yemen | | | Miller, A. G. & T. A. Cope. 1996-. Flora of the Arabian Peninsula and Socotra. |
| 4 | Naturalized | Asia-Temperate | China | China | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 4 | Naturalized | Asia-Tropical | Indian Subcontinent | India | | | Böhm, H. 2008. "Opuntia dillenii" an interesting and promising Cactaceae taxon. J. Profess. Assoc. Cactus Developm. 10:148-170. |
| 4 | Naturalized | Australasia | Australia | Australia | | | George, A. S., ed. 1980-. Flora of Australia. |
| 4 | Naturalized | Europe | Southwestern Europe | Portugal | | | Castroviejo, S. et al., eds. 1989-. Flora iberica: plantas vasculares de la Peninsula Iberica e Islas Baleares. |
| 4 | Naturalized | Europe | Southwestern Europe | Spain | | | Castroviejo, S. et al., eds. 1989-. Flora iberica: plantas vasculares de la Peninsula Iberica e Islas Baleares. |
| 4 | Naturalized | Southern America | Brazil | Brazil | | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |