Root growth dynamics of Adenophora potaninii populations and its relation with environmental factors in northwest Sichuan Province Genetic Analysis of Isozyme Loci in Adenophora potaninii Korsh. Optimization for extraction technology of polysaccharide in root of Adenophorapotaninii from Taibai mountain in China by orthogonal experimental design Biosystematic studies on Adenophora potaninii Korsh. complex (Campanulaceae) V. A taxonomic treatment Biosystematic Studies on Adenophora potaninii Korsh. Complex (Campanulaceae) Ⅳ. Allozyme Variation and Differentiation Biosystematic Studies on Adenophora potaninii Korsh. Complex (Campanulaceae) III. Genetic Variation and Taxonomic Value of Morphological Characters Biosystematic Studies on Adenophora potaninii Korsh. Complex (Campanulaceae). Ⅰ. Phenotypic Plasticity Comparative Studies of Sexual Reproduction and Asexual Propagation Between Populations of Adenophora lobophylla and A. potaninii Aboveground biomass growth development of Adenophora potaninii populations in West Sichuan Province