Opuntia ×occidentalis var. piercei (Fosberg) Munz in Aliso 4: 94. 1958
Opuntia ×occidentalis var. piercei in Aliso 4: 94. 1958
is new combination for Opuntia phaeacantha var. piercei in Bull. S. Calif. Acad. Sci. 33(2): 102–103. 1934
Opuntia ×occidentalis var. piercei in Aliso 4: 94. 1958
Taxon for this name