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Hericium americanum   (Bear's head)
North America
Body 15–20 cm across, spines 2-8 cm long

Hericium americanum, also known as Bear's head, is a large, edible mushroom belonging to the tooth fungus group. It grows on dead broadleaf trees and on fallen trunks and branches; perhaps initially parasitic on dying broadleaf trees.

Fruiting body usually has several branches. White or pale yellow-brown turning darker with age, the fruitbody is attached to the substrate by a very short, broad stipe. Stem very short if present.

Similar species include Hericium erinaceus and Hericium coralloides. Hericium coralloides is found only on wood of conifers and has coarser branches and longer spines in tufts, not in continous rows along lower surfaces.

Hericium americanum on the MushroomExpert.Com Web site.
Hericium americanum on the web site.

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