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