System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0000040348
Cirsium spathulifolium Fl. Rocky Mts. 1011, 1068 (1917)
Nomenclatural References
- person : Per Axel Rydberg (1860-1931) Based on occurrence of standard abbreviation 'Rydb.' in the authors string.
- database : IPNI record: 291853-2
- database : The Plant List v1.1 record gcc-139016
- database : The Plant List version 1.0, record: gcc-139016
Taxonomy: Synonym in 2018-07
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Accepted name is: Cirsium clavatum var. americanum
Placement
- Asterales
- Compositae
- Cirsium
- Cirsium clavatum
- Cirsium clavatum var. americanum
- syn: Cirsium clavatum var. americanum