System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-4000017196
![George Engelmann (1809-1884) George Engelmann (1809-1884)](http://commons.wikimedia.org/wiki/Special:FilePath/Georg-Engelmann.jpg)
![Nathaniel Lord Britton (1859-1934) Nathaniel Lord Britton (1859-1934)](http://commons.wikimedia.org/wiki/Special:FilePath/Nathaniel%20Lord%20Britton.jpg)
Helianthum Man. Fl. N. States [Britton], ed. 2. 54, orth. variant. 1905
Nomenclatural References
- person : George Engelmann (1809-1884) Based on occurrence of standard abbreviation 'Engelm.' in the authors string.
- person : Nathaniel Lord Britton (1859-1934) Based on occurrence of standard abbreviation 'Britton' in the authors string.
- database : IPNI record: 1087-1
- database : The Plant List version 1.1, record: Compositae Heliantheae
Taxonomy: Accepted in 2021-12 classification
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Placement: Angiosperms > Asterales > Asteraceae > Helianthum