Warning message Node revision 1465 not found in node Sclerenchyma development in some species of trees of Rosaceae. Perharps it was deleted. Ignatov Vladimir Vladimirovich RussiaSaratovInstitute of Biochemistry and Physiology of Plants and Microorganisms Russian Academy of Sciences (IBPPM RAS), 13 Prospekt Entuziastov, Saratov 410049vvignatov@mail.ru Author's articles Зависимость состава флавоноидного комплекса соцветий Helichrysum arenarium (L.) Moench от условий произрастания в Саратовской области