Silybum marianum (L.) Gaertn.
Data source(s):
  • Rechinger, K.H. 1979. Flora Iranica. 139A: Compositae III - Cynareae. Graz-Austria: Akademische Druck 1-286 pp., p.281
  • Stace, C.A. 1997. New Flora of the British Isles. Cambridge: Cambridge University Press 1130 pp., p.679
  • 2010. Global Compositae Checklist.