Rare communities makrofitnoj of water vegetation in Bryansk area
172 geobotanical releves are sorted out according to the Braun-Blanquet approach. The presented system of rare community aquatic vegetation of Bryansk region includes 3 classes, 3 orders, 4 allianse. Four associations are recognized. The rare species and communities on the watering and moist habitats of diversity, community structure, ecological peculiarities were discussed. The analysis of flora of communities has allowed to reveal the rare kinds brought in the Red book of the Russian Federation and Bryansk area: Salvinia natans, Riccia fluitans, Fontinalis antipyretica, Ricciocarpus natans, Nymphaea Candida.