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总结了山紫菀类药材性状和显微的共同特征；列出了３６种药材的显微特征检索表；并归 纳了主要的鉴别特征。
The common characteristics of the medicinal properties and microscopic characteristics of Aster sinensis were summarized; the microscopic feature retrieval tables for 36 medicinal herbs were listed; and the main identification features were summarized.