Reseach on the distribution of native species of the flora of Hoanglien National park for conservation

Hoanglien National Park is diverse in the natural conditions that cause of the native of plant and the diversity flora. In the physio-geography conditions, elevation plays importance role that cause of the variation of the other conditions. In this research, there are 122 native species for Hoang Lien Son area; these species belong to 52 families of vascular plants which are representative for Paleogen’s flora and also characterized for flora at the mountain elevation. Most of these species are phaenerophyte and the number of species that distributed at zone of 1000-1700m of elevation is 93 (76% of total). So that, it is benefit for conservation planning of Hoang Lien National Park, it is need to priority to conserve the native resource of the flora at the this elevation zone.