Spores: summer and fall

Conservation Status: Review Group 1 in Washington (WANHP)

Edibility: Poisonous.

Poisonous.

Cap: 8-25 cm broad, convex to broadly convex or nearly plane; surface dry, smooth or minutely velvety when young, sometimes breaking up into small scales in age; brown to pale olive-brown or reddish-brown (often redder at margin). Flesh thick, yellow, blueing when exposed. Pores: deep red to bright scarlet-red, often fuller (reddish-brown)or paler in old age; quickly staining blue or blue-black when bruised; tubes yellow. Stalk: 7-20 cm long, 2-5 cm thick at apex and up to 10 cm thick at base; sometimes equal, more often club-shaped (thicker below), but not abruptly bulbous; solid, firm, yellowish to pale reddish-brown with dark red reticulation over at least the upper half.

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