Identification of Euphorbia humifusa Wind.and E maculata Raf.from its Confused Species E.thymifolia L. Seed geography: Its concept and basic scientific issues. Landscape stability and its pattern transition in Jinghe watershed Morphological and TLC identification on Tibetan medicine Asteris Flos Identification of Epmedii Folium and its counterfeit leaf of Quercus variabilis Characteristics and methods of macroscopic ecological research Research on Investment Composition and Economic Benefit of the Chinese Fir Seed Orchard in Qingyuang County,Zhejiang Province Pharmacognostic Identification of Xiangqingteng (Illigera aromatica) Stem Pharmacognostic studies on mangrove Acanthus ilicifolius Pharmacognostic studies on Desmodium gyrans Micro-macroscopical identification of Siegesbeckiae Herba Pharmacognostical Studies on the Ethnic Substitutes of Duzhong Derived from Euonymus spp. Study on identification of wild and cultirated Radix Scutellariae in different growing years A Pharmacognostical Study on the Fistular Onion Bulb (Allium fistulosum)