New data on steppe vegetation of the magmatic mountains in the Northern Caucasus

Abstract

Geobotanical studies were carried out in June–July 2020 in the Stavropol Territory, in the region of the Caucasian Mineral Waters, on Yutsa, Dzhutsa, Zolotoi Kurgan, Dubrovka, Byk, Verblyud and Mashuk magmatic moun-tains. Syntaxonomic analysis carried out from the standpoint of the J. Braun-Blanquet approach made it possible to establish 1 new association and 4 new subassociations - ass. Teucrio chamaedris-Stipetum pulcherrimae ass. nov. hoc loco, subass. T. ch.–S. p. typicum subass. nov. hoc loco, subass. T. ch.–S. p. iridetosum nothae subass. nov. hoc loco, subass. T. ch.–S. p. centauretosum leucophyllae subass. nov. hoc loco and subass. T. ch.–S. p. asphodelinetosum tauricae subass. nov. hoc loco. They are preliminary included in the alliance Festucion valesiacae Klika 1931 nom. conserv. propos., order Festucetalia valesiacae Soó 1947 of the class Festuco–Brometea Br.-Bl. et Tx. ex Soó 1947.