A yellow wood-decay mushroom with a cap covered in fine dark brown to olive-black fibrils or scales and bright yellow gills. It grows on well-rotted conifer logs and stumps. It is a smaller, yellower relative of T. rutilans.
Cap: convex to flat, often with a slightly depressed centre, golden yellow with fine grey-brown to dark brown fibrillose scales, densest at the centre. Gills: adnate to notched, crowded, pale to deep yellow. Stem: pale yellow, with fine brown scales, no ring. Flesh: yellowish. Spore print: white.