Bear's Head Tooth Fungus - Hericium americanum
~15 cm wide and consisting of branches arising from a rooting base. The spines were densely packed and were hanging from the branches in clusters. The fruiting body would normally be white, but this specimen wasn't fresh and was turning yellowish brown.
Habitat: Growing on hardwood (Carya sp., I think)
''Hericium americanum'', commonly known as the bear's head tooth fungus, is an edible mushroom in the tooth fungus group. It was described as new to science in 1984 by Canadian mycologist James Herbert Ginns.