Conservation Status: Not of concern

Fruiting body: 1.5-5 cm high and broad, more or less round to somewhat cushion-shaped. outer layer or peridium white or pallid becoming brownish in age, at first with soft granules, flakes, or spines (or often with small warts on top); adhering to the inner layer and breaking up into large flakes at maturity. Sterile base: absent or rudimentary. Spore mass: firm and white when young, olive-brown to brown at maturity, with a cottony texture that causes it to remain intact for long time.

Sources: Arora, David. Mushrooms Demystified. Berkeley, Ten Speed Press, 1986.