sweet fern
     n 1: mat-forming lithophytic or terrestrial fern with creeping
          rootstocks and large pinnatifid fronds found throughout
          North America and Europe and Africa and east Asia [syn:
          {common polypody}, {adder's fern}, {wall fern}, {golden
          maidenhair}, {golden polypody}, {Polypodium vulgare}]
     2: deciduous shrub of eastern North America with sweet scented
        fernlike leaves and tiny white flowers [syn: {Comptonia
        peregrina}, {Comptonia asplenifolia}]
Source: WordNet® 2.0