Utricle morphology of the species in Carex sect. Paniceae (Cyperaceae) and its systematic significance(薹草属少花薹草组（莎草科）的果囊形态及其系统学意义) Bằng LUYifei(鲁益飞), LIUYongdi(刘永娣), ZHENGZihong(郑子洪), HEFang(何芳), CHUWenke(褚文珂), JINShuihu(金水虎), JINXiaofeng(金孝锋)

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