Cirsium echinatum var. willkommianum (Porta & Rigo) O.Bolòs & Vigo Collect. Bot. (Barcelona) 17(1): 91, without exact basi (1988)

Nomenclatural References

• literature : De Bolòs, O., & Vigo, J. (1987). Notas sobre taxonomía y nomenclatura de plantas, III. Collectanea Botanica, 17(1), 89–93. https://doi.org/10.3989/collectbot.1988.v17.159 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Gregorio Rigo (1841-1922) Based on occurrence of standard abbreviation 'Rigo' in the authors string.
• person : Josep Vigo Bonada (b.1937) Based on occurrence of standard abbreviation 'Vigo' in the authors string.
• person : Oriol de Bolòs (1924-2007) Based on occurrence of standard abbreviation 'O.Bolòs' in the authors string.
• person : Pietro Porta (1832-1923) Based on occurrence of standard abbreviation 'Porta' in the authors string.
• database : IPNI record: 954359-1
• database : The Plant List v1.1 record gcc-53243
• database : The Plant List version 1.0, record: gcc-53243