Pogonophace 第1页

Biogeography of Astragalus Subgenus Pogonophace(Leguminosae) Leaf Epidermal Feature of Astragalus L. Subgenus Pogonophace Bunge(Leguminosae) from China and Its Systematic Significance Studies on Geographical Distribution Pattern of the Subgenus Pogonophace (Fabaceae: Astragalus) in China Using GIS Technique