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  • 蕨類植物

    蕨類植物是植物中主要的一類,是高等植物中比較低級的一門,也是最原始的維管植物。大都為草本,少數為木本。蕨類植物孢子體發達,有根、莖、葉之分,不具花,以孢子繁殖,世代交替明顯,無性世代占優勢。通常可分為水韭、松葉蕨、石松、木賊和真蕨五綱,大多分布于長江以南各省區。

    平特公式
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