Trichaptum abietinum is a species of poroid fungus in the order Hymenochaetales. It is saprophytic, growing from dead conifer wood.
The white-gray cap is 1–4 cm wide and usually no more than 0.5 cm thick, shelved and fanlike, with brownish and leathery flesh.[1] The spores are white, cylindrical, and smooth.
The species is inedible.
Similar species include Trichaptum biforme, Bjerkandera adusta, and Trametes versicolor.