Opuntia youngii C.Z.Nelson in Trans. Illinois State Acad. Sci. 12: 119. 1919.

Nomenclatural References

• person : Carl Z. Nelson (1870-1939) Based on occurrence of standard abbreviation 'C.Z.Nelson' in the authors string.
• database : The Plant List version 1.0, record: kew-2401998
• database : The Plant List version 1.1, record: kew-2401998