Hedgehog mushroom

Cap: 2-17 cm wide; broadly convex, becoming flat with a central depression; the margin inrolled at first, eventually wavy and reminiscent of Cantharellus cibarius; dry; fairly smooth; dull orange-tan or paler.
Undersurface: Running down the stem; covered with spines or "teeth" that are 2-7 mm long; pale or dull orange; bruising dark orange or yellowish brown.
Stem: 3-10 cm long; 1-3 cm thick; sometimes somewhat off-center; dry; smooth; whitish or colored like the cap; bruising brownish.
Flesh: Whitish; often discoloring yellowish when exposed or bruised; sometimes with zones of color; brittle.
Taste: Mild or peppery; odor mild.