Three associations (Carici michelii-Bromopsidetum ripariae ass. nov., Amorio ambiguae-Alchemilletum orthotrichae ass. nov., and Cicerbito macrophyllae-Aethusetum сynapii ass. nov.) have been distinguished and characterized as a result of our ecological and floristic classification of phytocenoses in the mountain and piedmont ecosystems of Kabardino-Balkaria (the Central Caucasus) within the Tersky and Elbrussian variants of vertical zonation.