Nomenclature: wfo-0000661814
![Frederik Marcus Knuth (1904-1970) Frederik Marcus Knuth (1904-1970)](http://commons.wikimedia.org/wiki/Special:FilePath/Grundlovgivende%20rigsforsamling%20-%20Constantin%20Hansen.jpg)
![Ludwig Karl Georg Pfeiffer (1805-1877) Ludwig Karl Georg Pfeiffer (1805-1877)](http://commons.wikimedia.org/wiki/Special:FilePath/Ludwig%20Georg%20Karl%20Pfeiffer.jpg)
Echinomastus uncinatus Kaktus-ABC: 358. 1936.
Nomenclatural References
- person : Frederik Marcus Knuth (1904-1970) Based on occurrence of standard abbreviation 'F.M.Knuth' in the authors string.
- person : Henri Guillaume Galeotti (1814-1858) Based on occurrence of standard abbreviation 'Galeotti' in the authors string.
- person : Ludwig Karl Georg Pfeiffer (1805-1877) Based on occurrence of standard abbreviation 'Pfeiff.' in the authors string.
- database : The Plant List version 1.0, record: kew-2783139
- database : The Plant List version 1.1, record: kew-2783139
Taxonomy: Unplaced in 2018-07
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.