The mushroom is small, rare, difficult to see and, according to Guzmán and Trappe (2005), stains blue where damaged.

[2] This mushroom is only known from the type locality where it was found on July 22, 1987, at Glacier Peak Wilderness Area in Wentachee National Forest, Washington, USA.

It is hygrophanous, has a smooth surface, and is olive black when moist, fading to brownish orange or dark reddish brown as it dries.

[2] The gills are Adnate light grayish brown at first, turning dark purple as the spores mature.

[2] The stipe is 15–20 x 2 mm, hollow, has an equal width, and is white with whitish or brownish floccose scales, drying to a reddish brown.