Pluteus cervinus

Common Name: Fawn-colored Pluteus
Description: Cap 2-15 cm across, convex with a flattened center, then expanding; gray-brown to dark brown with darker innate fivers radiating from center; smooth, often slightly squamulose at center. Stem 50-120 by 5-15 mm high and wide.
Habitat: on dead timber of hardwoods or conifers. Found throughout North America.
Edible: yes, but poor quality.

Source: Mushrooms of North America by Roger Phillips.