石长生属植物
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石长生属植物；铁线蕨
n cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae
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石长生属植物；铁线蕨
n cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae
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