%0 Journal Article %T 国产地榆属植物分类及地榆中药正品考订 %A 俞德浚 %A 李朝銮 %J 植物分类学报 %D 1979 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=ACB22D77D53AF776BE3F554EEA83024E&aid=D72A382B97687E24411078E19B4CC22D&yid=8C8371356FB4C85C&vid=BCA2697F357F2001&iid=CA4FD0336C81A37A&journal_id=0529-1526&journal_name=植物分类学报&referenced_num=2&reference_num=0