It discusses the evolve process of natural environment before Cenozoic Era of this area and analyses the relationship between rare Phytocoenology and the econological environment conditions of Paleoclimate,Paleogeology,Paleoorganisms before Cenozoic Era of this area.

The nutrition condition of endangered mechanism and conservation strategy of rare plants;

A study on verdical distribution and protection of rare plants in Baishuijiang National Reserve,Gansu;

Introduction of rare plants in Wenshan prefecture;

The resources of rare and endangered plants in Huangshan scenic spot;

Guangxi is possessed of 124 species of rare and endangered plants (REPs) of China, and is one of the provinces that rich in REPs in China.

Mass fraction and bioavailability of macronutrients of 21 ex-situ conservation rare plants in Wuhan Botanical Garden;

The distribution,the economic and scientific significance of 103 rare plants in West Hubei are discussed and some suggestions for profecting rare plants are also offered.

According to the investigation of species, quantity and distribution of the rare plants and ancient trees in Luofushan, this paper explored the significance in protection of rare plants and ancient trees.

Resources of rare and precious plants of Lishui Ecological Demonstrative Area in Zhejiang Province;

It was found out that there are many rare and precious plants in the Nature Reserve area, which can be divided into two categories:the major.