The above distribution pattern reveals the transitiveness of the elements from tropical to subtropical.

属的这种分布格局，显示出该区蕨类植物区系从热带成分向亚热带成分的渗透和过渡。

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The above distribution pattern reveals the transitiveness of the elements from tropical to subtropical.

属的这种分布格局，显示出该区蕨类植物区系从热带成分向亚热带成分的渗透和过渡。

youdao