Carduus nutans var. leiophyllus (Petrovič) G.A. Mulligan & Frankton nom. inval.

Carduus nutans var. leiophyllus (Petrovič) G.A. Mulligan & Frankton nom. inval. is a synonym sensu TROPICOS of:

Carduus nutans subsp. leiophyllus (Petrovič) Stojanov & Stefanoff, an accepted subspecies name sensu FNA Ed. Comm., 2006a.