Sonchus asper (L.) Hill [ Sonchus oleraceus var. asper L.]
      
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58 960379 Sonchus asper (L.) Hill [112 960691 Sonchus oleraceus L.] Compositae
A. Fiori, G. Paoletti, Iconogr. Fl. Ital.: p. 479, t. 37961, fig. 6 (1895-1904)