Laetiporus Laetiporus sulphureus is a mushroom well known in Anglo-Saxon countries with names attributable to hen of the woods, i.e. chicken of the woods, mushroom chicken, rooster comb, derived from the taste of the mushroom or perhaps from the appearance which may recall the plumage or crest of a poultry . is a mushroom well known in Anglo-Saxon countries with names attributable to hen of the woods, i.e. chicken of the woods, mushroom chicken, rooster comb, derived from the taste of the mushroom or perhaps from the appearance which may recall the plumage or crest of a poultry .