Sonchus leptocephalus Cass.
      

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2 960628 Sonchus leptocephalus Cass. Compositae
G.H.H. Karsten, K. Chun, Wiss. Erg. Exp. Valdivia, vol. 2 : p. 293, fig. 28. 4 (1898-1922) [R. Anheisser]