DISTRIBUTION OF INVASIVE SPECIES OF <i>AMBROSIA</i> L. GENUS IN THE SOUTH URALS (REPUBLIC OF BASHKORTOSTAN)
Data on invasive neophytes of North American origin of Ambrosia L. genus ( Ambrosia artemisiifolia L., A. trifida L. and A. psylostachya DC.) progressing in the territory of the Bashkir Republic are presented. These plants are dangerous to ecosystems of the South Urals region. From 3 species of Ambrosia, the greatest number of centers of invasion (more than 60) is noted for A. trifida, number of localities of A. psylostachya are much lesser, A. artemisiifolia has not naturalized in ecosystems of the region and occurs occasionally. Maps of the secondary ranges of invasive species of Ambrosia genus in the territory of Republic of Bashkortostan were made.