Habitat: oaks and tanoaks

Conservation Status: Not of concern

Edibility: Edible.

Edible.

Cap: 6-20 cm broad, convex becoming broadly convex or even plane; surface dry or slightly viscid, smooth or with a fine bloom when young, sometimes cracked in age; brown to cinnamon-brown or yellow-brown, or sometimes buff to yellowish, often with reddish stains or blushes. Flesh thick, very firm and dense, pale yellow to yellow, changing slowly and erratically to blue when cut, or not at all; taste mild. Pores: lemon-yellow to bright butter-yellow or in old age olive-yellow; usually blueing when bruised, but sometimes not (especially in button stage). Stalk: 5-15 cm long, 2-6 cm thick at apex, usually bulbous or thicker below, but sometimes equal or tapered at base; solid, very firm; uniformly yellow or butter-yellow, sometimes with brownish or reddish stains; upper portion finely reticulate; flesh in base usually pinkish or vinaceous.

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