Cirsium filipendulum subsp. grumosum (Hoffmanns. & Link) Franco, Nova Fl. Portugal 2: 570. 1984
Cirsium filipendulum subsp. grumosum, Nova Fl. Portugal 2: 570. 1984
is new combination for Cnicus grumosus, Fl. Portug. 2: 196. 1825–1828
has orthographic variant Cirsium filipendulinum subsp. grumosum