polyporus frondosus

from WordNet (r) 3.0 (2006)

Polyporus frondosus
    n 1: large greyish-brown edible fungus forming a mass of
         overlapping caps that somewhat resembles a hen at the base
         of trees [syn: {hen-of-the-woods}, {hen of the woods},
         {Polyporus frondosus}, {Grifola frondosa}]

from The Collaborative International Dictionary of English v.0.48

hen-of-the-woods \hen-of-the-woods\ n.
   A large grayish-brown edible fungus ({Polyporus frondosus})
   forming a mass of overlapping caps at the base of trees that
   somewhat resembles a hen.

   Syn: hen of the woods, {Polyporus frondosus}.
        [WordNet 1.5]

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