System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0000069406
Porophyllum ruderale subsp. macrocephalum Kansas Univ. Sci. Bull. 48: 233 (1969)
Nomenclatural References
- person : Augustin Pyramus de Candolle (1778-1841) Based on occurrence of standard abbreviation 'DC.' in the authors string.
- person : Raymond Roy Johnson (b.1932) Based on occurrence of standard abbreviation 'R.R.Johnson' in the authors string.
- database : IPNI record: 1008969-2
- database : The Plant List version 1.0, record: gcc-26229
- database : The Plant List version 1.1, record: gcc-26229
Taxonomy: Accepted in 2018-07 classification
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Placement: Asterales > Compositae > Porophyllum > Porophyllum ruderale > Porophyllum ruderale subsp. macrocephalum