Nomenclature: wfo-0001372777
![André Michaux (1746-1802) André Michaux (1746-1802)](http://commons.wikimedia.org/wiki/Special:FilePath/Andre%20Michaux02.jpg)
![Asa Gray (1810-1888) Asa Gray (1810-1888)](http://commons.wikimedia.org/wiki/Special:FilePath/Asa%20Gray%20by%20John%20Whipple%2C%201864.jpg)
![John Torrey (1796-1873) John Torrey (1796-1873)](http://commons.wikimedia.org/wiki/Special:FilePath/John%20Torrey%20daguerreotype.jpeg)
Lactuca elongata var. longifolia Fl. N. Amer. 2: 496 (1843)
Nomenclatural References
- literature : Fl. N. Amer. (Torr. & A. Gray) 2: 496. 1843 [Feb 1843] BHL link from IPNI metadata.
- person : André Michaux (1746-1802) Based on occurrence of standard abbreviation 'Michx.' in the authors string.
- person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
- person : John Torrey (1796-1873) Based on occurrence of standard abbreviation 'Torr.' in the authors string.
- database : IPNI record: 134534-2
Taxonomy: Accepted in 2021-12 classification
Occurs in: 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06Placement: Lactuca elongata > Lactuca elongata var. longifolia