Lactucosonchus webbii (Sch. Bip.) Svent. in Cabezón & al., Index Sem. Hort. Acclim. Pl. Arautapae 1968: 53. 1969
Lactucosonchus webbii in Cabezón & al., Index Sem. Hort. Acclim. Pl. Arautapae 1968: 53. 1969
is new combination for Sonchus webbii in Webb & Berthelot, Hist. Nat. Iles Canaries 3(2): t. 136. 1848
Lactucosonchus webbii in Cabezón & al., Index Sem. Hort. Acclim. Pl. Arautapae 1968: 53. 1969