Vegetation at the wildlife sanctuary "Zalesovsky" is presented by taiga with significant participation of tertiary relict grasses. The main associations are presented: Abies sibirica+Betula pendula#Crepis sibirica, Abies sibirica+Betula pendula#Brachypodium pinnatum+Aegopodium podagraria, Abies sibirica#Salix caprea, Populus tremula+Abies sibirica#Aconitum septentrionale, Abies sibirica+Populus tremula-Aegopodium podagraria+Filipendula ulmaria, Abies sibirica+Populus tremula#Urtica dioica. A little disturbed area of Populus tremula and Abies sibirica are conserved only in the borders of water conservation zone. A large part of wildlife sanctuary is occupied with the secondary forests from Populus tremula of different genesis.

Key words: vegetation, wildlife sanctuary, Altai region.