Papaver dubium subsp. laevigatum (M.Bieb.) Kadereit
Synonym(s):
Papaver lacerum Popov
Data source(s):
  • Kadereit, J.W. 1988. A Revision of Papaver L. section Rhoeadium Spach. in Notes from the Royal Botanic Garden Edinburgh 45(2): 225-286, p.244