Sonchus suberosus Zohary & P. H. Davis in Kew Bull. 2: 87. 1947 Sonchus suberosus Zohary & P. H. Davis in Kew Bull. 2: 87. 1947is basionym for Prenanthes suberosa (Zohary & P. H. Davis) Boulos in Bot. Not. 115: 59. 1962Taxon for this nameSonchus suberosus Zohary & P. H. Davis in Kew Bull. 2: 87. 1947