Mammillaria thornberi Orcutt in W. Amer. Sci. 12: 161. 1902.

Nomenclatural References

• person : Charles Russell Orcutt (1864-1929) Based on occurrence of standard abbreviation 'Orcutt' in the authors string.
• database : The Plant List version 1.0, record: tro-5100374
• database : The Plant List version 1.1, record: tro-5100374