Thymus praecox subsp. caucasicus SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Thymus praecox subsp. caucasicus (Willd. ex Ronniger) Jalas in Willdenowia 15: 423. 1986≡Thymus caucasicus Willd. ex Ronniger in Repert. Spec. Nov. Regni Veg. 31: 156. 1932=Thymus caucasicus var. medvedewii Ronniger in Repert. Spec. Nov. Regni Veg. 31: 156. 1932≡Thymus praecox var. medvedewii (Ronniger) Jalas in Ann. Bot. Fenn. 17: 323. 1980ContentDistribution Bibliography Distribution Rf(CS) Tcs Tu(A) Euro+Med: Russia (North Caucasus nativeA); South Caucasus nativeA; Turkey (Turkey, Asiatic part nativeA) Bibliography A. Kew World Checklist of Selected Plant Families