Carduus viridis A. Kern., Sched. Fl. Exs. Austro-Hung. 1: 74. 1881
Carduus viridis, Sched. Fl. Exs. Austro-Hung. 1: 74. 1881
is basionym for Carduus defloratus subsp. viridis, Consp. Fl. Eur., Suppl. 2: 182. 1889
Carduus viridis, Sched. Fl. Exs. Austro-Hung. 1: 74. 1881