System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0001321412
Xanthium spinosum f. typicum Beih. Bot. Centralbl., Abt. 1. 54 Abt. A: 337. 1935
Nomenclatural References
- person : Felix Joseph Widder (1892-1974) Based on occurrence of standard abbreviation 'Widder' in the authors string.
- database : IPNI record: 287249-2
Taxonomy: Unplaced in 2023-12
Occurs in: 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Associated Names
These are genera with the same genus name in this classification but a taxonomist hasn't confirmed this as a good taxon or synonym.