Opuntia extensa Salm-Dyck ex Pfeiff. Enum. Diagn. Cact.: 147. 1837.

Nomenclatural References

• person : Joseph zu Salm-Reifferscheidt-Dyck (1773-1861) Based on occurrence of standard abbreviation 'Salm-Dyck' in the authors string.
• person : Ludwig Karl Georg Pfeiffer (1805-1877) Based on occurrence of standard abbreviation 'Pfeiff.' in the authors string.
• database : The Plant List version 1.0, record: kew-2391968
• database : The Plant List version 1.1, record: kew-2391968