Warning message Node revision 1465 not found in node Anatomy of the stalk of shoot Populus nervirubens Alb.. Perharps it was deleted. Smirnova Anna Nikolaevna RussiaСыктывкарInstitute of Biology of the Komi Science Centre of the Ural Division RAS, 28 Kommunisticheskaya st., 167982 Syktyvkar, Komi Republicsmirnova@ib.komisc.ru Author's articles Morphological and biological characteristics of seeds Hypericum perforatum and H. maculatum crantz growing in the north