Naucoria bohemica Velen. syn. Alnicola bohemica (Velen.) Kühner & Maire (illustrated 70% life size) Cap 1–4cm across, convex; date-brown or deep reddish-brown, drying paler tan, faintly striate near the margin. Stem 30–70×2–5mm; white silky fibrillose, becoming tan from the base upwards. Flesh pale tan-buff; thin; taste and smell not distinctive. Gills adnexed; pale tan. Spores 11–14×6.5–8¼, broadly lemon-shaped, rough. Spore print brown. Basidia 2-spored. Cheilocystidia thin-walled, narrowly cylindrical to somewhat flexuose, often slightly enlarged at the obtuse apex. Cap cuticle cellular but covered by a layer of filamentous hyphae. Habitat with willows and alders; autumn. Occasional. Not edible.