Nomenclature: wfo-0001432170
![Joseph Nelson Rose (1862-1928) Joseph Nelson Rose (1862-1928)](http://commons.wikimedia.org/wiki/Special:FilePath/Joseph%20Nelson%20Rose.jpg)
![Nathaniel Lord Britton (1859-1934) Nathaniel Lord Britton (1859-1934)](http://commons.wikimedia.org/wiki/Special:FilePath/Nathaniel%20Lord%20Britton.jpg)
Mammillaria pyrrhocephala var. confusa Cacti: 354. 1937.
Nomenclatural References
- person : John Borg (1873-1945) Based on occurrence of standard abbreviation 'Borg' in the authors string.
- person : Joseph Nelson Rose (1862-1928) Based on occurrence of standard abbreviation 'Rose' in the authors string.
- person : Nathaniel Lord Britton (1859-1934) Based on occurrence of standard abbreviation 'Britton' in the authors string.
Taxonomy: Synonym in 2021-12
Occurs in: 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06Accepted name is: Mammillaria karwinskiana subsp. karwinskiana
Placement
- Angiosperms
- Caryophyllales
- Cactaceae
- Mammillaria
- Mammillaria karwinskiana
- Mammillaria karwinskiana subsp. karwinskiana
- syn: Mammillaria karwinskiana subsp. karwinskiana