System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0000069978
![Asa Gray (1810-1888) Asa Gray (1810-1888)](http://commons.wikimedia.org/wiki/Special:FilePath/Asa%20Gray%20by%20John%20Whipple%2C%201864.jpg)
Helianthus petiolaris var. canescens Smithsonian Contr. Knowl. 3(art. 5): 108. 1852 [Mar 1852] Pl. Wright. 1: 108. Mar 1852.
Nomenclatural References
- person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
- database : IPNI record: 119218-2
- database : The Plant List v1.1 record gcc-2678
- database : The Plant List version 1.0, record: gcc-2678
Taxonomy: Accepted in 2019-03 classification
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Placement: > Helianthus > Helianthus petiolaris > Helianthus petiolaris var. canescens
Synonyms
- Helianthus niveus subsp. canescens
- Helianthus canescens
- Helianthus canus
- Helianthus petiolaris var. canus