Nomenclature: wfo-0000686305
![Charles Christopher Parry (1823-1890) Charles Christopher Parry (1823-1890)](http://commons.wikimedia.org/wiki/Special:FilePath/Charles%20Christopher%20Parry.jpg)
![George Engelmann (1809-1884) George Engelmann (1809-1884)](http://commons.wikimedia.org/wiki/Special:FilePath/Georg-Engelmann.jpg)
![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)
Ferocactus johnsonii Cactaceae 3: 141. 1922.
Nomenclatural References
- person : Charles Christopher Parry (1823-1890) Based on occurrence of standard abbreviation 'Parry' in the authors string.
- person : George Engelmann (1809-1884) Based on occurrence of standard abbreviation 'Engelm.' 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.
- database : The Plant List version 1.0, record: kew-2808173
- database : The Plant List version 1.1, record: kew-2808173
Taxonomy: Unplaced in 2019-03
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06Associated Names
These are genera with the same genus name in this classification but a taxonomist hasn't confirmed this as a good taxon or synonym.