THE HYBRID SUPERIORITY OF GASTRODIA ELATA Distinction between Gastrodia elata and its four falsified specimens and determination of gastrodin by capillary electrophoresis Genetic diversity of Gastrodia elata based on SRAP analysis Influences of wild,degradative,and rejuvenative Armillearia mellea on yield of Gastrodia elata and content of gastrodin tudies on influences of Armillaria mellea strains from different sources on yield of Gastrodia elata Quantitative Analysis of L-Pyroglutamic Acid of Tall Gastrodia (Gastrodia elata) by HPLC Research on variable-temperature drying process of Zhaotong Gastrodia elata Bl. f. glauca S. Chow