Opuntia acanthocarpa var. thornberi (Thornber & Bonker) L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25(2): 247. 1944.

Nomenclatural References

• person : Frances Bonker (1904-1981) Based on occurrence of standard abbreviation 'Bonker' in the authors string.
• person : John James Thornber (1872-1962) Based on occurrence of standard abbreviation 'Thornber' 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-5100612
• database : The Plant List version 1.1, record: tro-5100612