Kozhevnikov А. P. RussiaЕкатеринбургUral State Forest Engineering University, Russia, 620032, Ekaterinburg, Siberian tract, 37kozhevnikova_gal@mail.ru Author's articles The introduction and spontaneous hybridization of blackcurrant (Ribes nigrum L.) Chamaecytisus ruthenicus (Fisch. ex Wol.) Klask. в подлеске основных лесопарков Екатеринбурга