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沂源的叶籽银杏郑作昭赵生泉王目标（山东省沂源县银杏研究所２５６１０２）叶籽银杏（Ｇｉｎｋｇｏｂｉｌｏｂａｖａｒ．ｅｐｉｐｈｙｌａＭａｋ．）为银杏的１个变种，世界上现存数量较少，山东省沂源县织女洞林场大贤山后坡有８００年生叶籽银杏雌性结果大树１株，树势...
Ginkgo biloba in Yiyuan Zheng Zhaozhao Zhao Shengquan Wang Objective (Ginkgo Institute of Shandong Yiyuan County 256102) Ginkgo biloba (Ginkgobilobavar.epiphylaMak.) Is a variant of Ginkgo biloba, the existing small number of the world, Shandong Province Yiyuan Weaver hole Forest Farm large Yin hill slope after 800 years of female seedling ginkgo trees a tree, tree potential ...