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Sonchus oleraceus L., Sp. Pl.: 794. 1753
Sonchus oleraceus subsp. asper (L.) Ehrh. in Hannover. Mag. 18: 230. 1780
Sonchus oleraceus var. asper L., Sp. Pl.: 794. 1753
Sonchus oleraceus f. runcinatus Fiori in Fiori & Paoletti, Fl. Italia 3: 417. 1904