<i>HAMMARBYA PALUDOSA</i> (L.) KUNTZE IN THE TVER REGION: BIOLOGY, ECOLOGY, PROTECTION
Features of biology and ecology of Hammarbya paludosa (L.) Kuntze have been studied in the Tver region. The number of coenopopulations has increased over the six years of observation. The habitats of H. paludosa in the Andreapol district of the Tver region are recommended for protection.