Savinov Alexsander B. RussiaNizhnij NovgorodNizhny Novgorod’s Lobachevsky State University, 23 Gagarina Av., Nizhny Novgorod 603950, Russiasabcor@mail.ru Author's articles Morphological Variability and Biochemical Indices of Leaves in Coenopopulations of Aegopodium podagraria L. (Apiаceae, Apiales) under Various Levels of Soil Pollution with Heavy Metals