Opuntia occidentalis var. piercei (Fosberg) Munz in Aliso 4: 94. 1958.

Nomenclatural References

• literature : Munz, P. (1958). California Miscellany IV. Aliso, 4(1), 87–100. https://doi.org/10.5642/aliso.19580401.04 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Francis Raymond Fosberg (1908-1993) Based on occurrence of standard abbreviation 'Fosberg' in the authors string.
• person : Philip A. Munz (1892-1974) Based on occurrence of standard abbreviation 'Munz' in the authors string.