title: The Materials to the “Black Book” of the Flora of the Crimean Peninsula
abstract: The “blacklist” of the Crimean flora, on the territory of two administrative units—the Republic of the Crimea and the federal city of Sevastopol—is presented. The analysis of the alien species of the Crimean flora was carried out and the alien species of higher plants most dangerous invasive for ecosystems were identified in accordance with the recommendations for keeping the Black Books. The data on distribution, habitats, and invasive status (IS) of 70 species are summarized. Transformers are 
journal: Russian Journal of Biological Invasions