Claim: Phalacrachena is a genus of Eurasian plants in the thistle tribe (also called  Cynareae, wherein many species classified on it are thorny on branches, stems, or involucre) that is under the family Asteraceae.
Evidence: Phalacrachena is a genus of Eurasian plants in the thistle tribe within the daisy family. The Cynareae are a tribe of flowering plants in the daisy family (Asteraceae) and the subfamily Carduoideae. Many species are thorny on leaves, stems, or involucre, and some have laticifers or resin conduits. Family: Asteraceae