TY - JOUR AU - Nikolaeva, Nadezhda N. PY - 2014/04/01 TI - Morphological forms of Karelian birch JF - Modern Phytomorphology; Vol 6 (2014)DO - 10.5281/zenodo.160621 KW - N2 - The article contains definition and classification of morphological forms of Karelian birch. UR - http://ojs.phytomorphology.org/index.php/MP/article/view/146