mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia
同义词：common polypody??/??adder's fern??/??wall fern??/??golden maidenhair??/??golden polypody??/??Polypodium vulgare
deciduous shrub of eastern North America with sweet scented fernlike leaves and tiny white flowers
同义词：Comptonia peregrina??/??Comptonia asplenifolia
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