System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0000012605
Cirsium clavatum var. americanum Sida 21(1): 211 (2004)
Nomenclatural References
- literature : Sida 21(1): 211. 2004 [20 Aug 2004] BHL link from IPNI metadata.
- person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
- person : David John Keil (b.1946) Based on occurrence of standard abbreviation 'D.J.Keil' in the authors string.
- database : IPNI record: 60436276-2
- database : The Plant List v1.1 record gcc-1122
- database : The Plant List version 1.0, record: gcc-1122