Pluteus salicinus

Pluteus salicinus is a hallucinogenic mushroom which grows on wood and is widely distributed.

Description
The cap is 2 to 8 cm across, convex to plane, gray, smooth with tiny scales near the center, darker at the margin, often with blue or greenish stains. The gills are free and start out white, turning pink in age. The stem is 3 to 11 cm long and 2 to 5 mm thick, white with bluish or greenish stains, especially near the bottom. The spores are pink, smooth, 8 x 6 micrometres. It is always found growing on wood.

Habitat and distribution
This mushroom grows in woodlands and is widely distributed across Europe and the United States. It is often found on alder and willow.