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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Chen, Yanzhuo - Song, yong chang.
    Edition: Di 1 ban.
    Publication info: Shang hai, Shang hai ke xue ji shu chu ban she, 1959
    Holding Institution: Institute of Botany, Chinese Academy of Sciences
    Subjects: Botany  Diao cha  Shou ce  Ye sheng zhi wu