Scientifically established strategy of nature protection is one of the most important directions of modern science. Phong Nha - Ke Bang, largest national park of Vietnam plays world-important role in conservation of unique nature and global genetic diversity. Investigation of forests allied to western border of the national park funded by Kreditnstalt fur Wiederaufbau - German Development Bank was realized during summer 2011. Current monograph presents main results of these studies including description of vegetation and data on inventory of local floras in area proposed for extension of the...