The largest and most important family in Russian conifers is Pinaceae (27-29 species). The most important problems in the field of systemitics concern some critical taxa. In the result of author’s research, the new signs of vegetative and reproductive organs have been checked out and elaborated. It... leads to the clarifying of new taxonomic status and geographical distribution of certain critical taxa. A set of species are threatened and need special measures for their conservation. There are 13 species and one variety which are included into the Red Data Book of Russian Federation.
Подробнее Год издания: 2013