Clinopodium umbrosum (M.Bieb.) K.Koch
Synonym(s):
Calamintha umbrosa (M.Bieb.) Rchb.
Data source(s):
  • Lauener, L.A. & D.R. McKean 1982. Catalogue of the names published by Hector Léveillé: XIV. in Notes from the Royal Botanic Garden Edinburgh 40(1): 157-204, p.60
  • Czerepanov, S.K. 1995. Vascular plants of Russia and adjacent states (the former USSR). Cambridge: Cambridge University Press