Synonyms: Carduus macrocephalus, Carduus macrolepis, Carduus nutans subsp. leiophyllus, Carduus nutans subsp. macrocephalus, Carduus nutans subsp. macrolepis, Carduus nutans var. leiophyllus, Carduus nutans var. macrocephalus, Carduus nutans var. vestitus Other names: Giant Thistle, Chardon Penche, Nodding Plumeless Thistle, Nodding Plumeless-thistle,…