Sonchus canariensis (Sch. Bip.) Boulos, 1967 Sonchus canariensis (Sch. Bip.) Boulos, 1967is blocking name for Taeckholmia canariensis Boulos in Bot. Not. 120: 100. 1967Taxon for this nameSonchus canariensis (Sch. Bip.) Boulos in Nytt Mag. Bot. 14: 14. 1967