For five species of the genus Thymus (Lamiaceae) described from the North Caucasus, the lectotypes are designated: T. helendzhicus Klokov et Des.-Shost., T. latissimus Klokov, T. nummularius M. Bieb., T. pulchellus C. A. Mey., T. pastoralis Iljin ex Klokov. The original material of T. odoratissimus M. Bieb. (≡ T. pallasianus Heinr. Braun) is discussed. The information on unintentional
... [Show full abstract] lectotypification of T. buschianus Klokov et Des.-Shost. is given.