Habitat: L. montanus is most common in higher elevation forests on conifer logs following snow-melt.

Spores: The spores are white, amyloid, and faintly ornamented.

Conservation Status: Not of concern

Lentinellus montanus has fan- to kidney-shaped, rounded to lobed, buff to tan or brownish caps that are hairy to tomentose near the short stipe or point of attachment. The gills radiate from the point of attachment, are whitish to tan, and have saw-toothed edges. The fruitbodies are fleshy to tough and pliable and often have a slowly developing acrid taste.