Carduus nigrescens subsp. aemilii (Briq. & Cavill.) B.P.R.Chéron Compt. Rend. Soc. Bot. Ardèche 62:14:00. 2018

Nomenclatural References

• person : Brice P.R. Chéron Based on occurrence of standard abbreviation 'B.P.R.Chéron' in the authors string.
• person : François Georges Cavillier (1868-1953) Based on occurrence of standard abbreviation 'Cavill.' in the authors string.
• person : John Isaac Briquet (1870-1931) Based on occurrence of standard abbreviation 'Briq.' in the authors string.
• database : IPNI record: 77190727-1