Cap: 3-7 mm broad. Convex to broadly convex, expanding with age to broadly convex to plane. gray to gray-greenish. sometimes salmon colored to pinkish salmon colored. Surface is smooth and kind of scaly near the center.

Gills:Gills are free and not attached. Pallid to cream, soon pinkish to salmon colored at spore maturity.

Stem:40-100 mm long by 2-6 mm thick. White to grayish-green and often with bluish tones. Flesh bruising blue when damaged, especially at the base. The base is extremely blue.

Spores:7-8.5 x 5-6 microns. Smooth, ellipsoid to egg-shaped.

Sporeprint:Pinkish in deposit.

Habitat: Deciduous woodlands in riparian habitats, especially on alder (Alnus), willow (Salix, or on their woody debris.

Distribution:Widely distributed across the United States, the British Isles and northern Europe..

Season:Late summer and early fall.

Dosage:Unknown

Comment:Pluteus salicinus was first discovered and recognized from southern Illinois. This is one of six species of Pluteus which contain psilocine and psilocybine.