Cnicus grumosus Hoffmanns. & Link, Fl. Portug. 2: 196. 1825–1828
Cnicus grumosus, Fl. Portug. 2: 196. 1825–1828
is basionym for Cirsium grumosum, Syll. Fl. Eur.: 24. 1854–1855
is basionym for Cirsium filipendulum subsp. grumosum, Nova Fl. Portugal 2: 570. 1984
Cnicus grumosus, Fl. Portug. 2: 196. 1825–1828