⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Opuntia occidentalis in version 1.1 of The Plant List.

Opuntia occidentalis var. piercei (Fosberg) Munz is a synonym of Opuntia littoralis var. piercei (Fosberg) L.D. Benson & Walk.

This name is a synonym of Opuntia littoralis var. piercei (Fosberg) L.D. Benson & Walk..

The record derives from Tropicos which reports it as a synonym (record 5101004) with original publication details: Aliso 4(1): 94 94 1958.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:175376-2.