Opuntia littoralis var. piercei (Fosberg) L.D.Benson & Walk. in Ann. Missouri Bot. Gard. 52(3): 270. 1965.

Nomenclatural References

• literature : Benson, L., & Walkington, D. L. (1965). The Southern Californian Prickly Pears-Invasion, Adulteration, and Trial-by-Fire. Annals of the Missouri Botanical Garden, 52(3), 262. https://doi.org/10.2307/2394792 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : David Leo Walkington (b.1930) Based on occurrence of standard abbreviation 'Walk.' in the authors string.
• person : Francis Raymond Fosberg (1908-1993) Based on occurrence of standard abbreviation 'Fosberg' in the authors string.
• person : Lyman David Benson (1909-1993) Based on occurrence of standard abbreviation 'L.D.Benson' in the authors string.
• database : The Plant List version 1.0, record: tro-5101118
• database : The Plant List version 1.1, record: tro-5101118