STUDY ON THE CHEMOTAXONOMY OF ARTEMISIA L. (COMPOSITAE) IN CHINA--The Correlation of Chemical Constitution of the Essential Oil wish the Plant Classification Seed Morphology and Germination Characteristics of 15 Species of Genus Artemisia in Xiaowutai Mountains POLLEN MORPHOLOGY OF ARTEMISIA IN CHINA Ⅱ POLLEN MORPHOLOGY ON THE FLORISTICS OF ARTEMISIA L.IN THE WORLD Chemical constituents from herb of Artemisia rupestris Identification of nine common medicinal plants from Artemisia L. by DNA barcoding sequences Identification of nine common medicinal plants from Artemisia L. by DNA barcoding sequences