Cicerbita alpina (L.) Wallr.
Synonym(s):
Sonchus caeruleus Sm.
Data source(s):
  • Springate, L.S. 2000. Verification of Compositae names on RBGE's Living Collections database. Work towards RBGE Catalogue of Plants 2000.
  • Tutin, T.G., et al. 1976. Flora Europaea. Volume 4: Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press xxix-505 pp.