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.

[2] The spores are white, cylindrical, and smooth.

[2] Similar species include Trichaptum biforme, Bjerkandera adusta, and Trametes versicolor.