Biological characteristics of tissue cultured plantlets of Siraitia grosvenorii Bencaological Studies on Fuxiong (Ligusticum chuanxiong Hort. cv. fvxiorg) The Theory of Differentiation Tendency of Chinese Medicinal Herbsin Regional Habitually Used Drugs HPLC fingerprint of Codonopsis tangshen from different habitats Investigation and protection for endangered Coptis deltoidea Research on history and present situation of integration of habitat processing and processing of Chinese herbal medicine