biodiversity біорізноманіття alien species chorology ecology адвентивний вид екологія нові знахідки хорологія Herbarium KWHA Red Books of Caucasus region adventitious fraction of flora adventitious plants alien plant aquatic and wetland biotopes cultivated plants dendrological park diagnostic species endemic species ergasiophygophyte ergasiophygophytes flora anthropophytization index flora of the Caucasus floristic findings introduced plants introduction centers naturalization new findings new records rare plant species