The results of the ecological and floristic classification of some mderal communities of the city of Nalchik are presented. The community of Cichorium intybus (Artemisietea vulgaris) that consist of two classes of mderal vegetation, Artemisietea vulgaris and Stellarietea mediae, and the class of meadow vegetation Molinio-Arrhenatheretea, is described. The association Conyzo canadensis-Lactucetum serriolae Lohmeyer in Oberdorfer 1957 is described. Communities of associations, including those under the name Erigeronto­ Lactucetum serriolae Lohmeyer in Oberdorfer 1957, are noted not only in settlements, but аво in other biotopes in Russia and abroad.