Association Thymo marschalliani–Poetum angustifoliae ass. nov. from Middle Volga region

In 2016, field studies of the steppe vegetation of the Middle Volga region were carried out. Syntaxonomic analysis was carried out using the approach of J. Braun-Blanquet. A new association Thymo marschalliani-Poetum angustifoliae ass. nov. with subordinate subassociations typicum , bromopsietosum ripariae , bromopsietosum inermis , centauretosum scabiosae , achilleetosum setaceae and caraganetosum fruticis was established. They characterize the steppe vegetation of the Middle Volga region. The syntaxa are assigned to the alliance Festucion valesiacae , order Festucetalia valesiacae of the class Festuco-Brometea .