Naucoria centunculus (Fr.) Kummer Samtiger Erlenschnitzling. Cap 4–25mm across, shallowly convex, velvety pruinose under a lens, tan-brown usually with an olivaceous tinge. Stem 6–30 x 1–3mm, light olive-brown. Flesh olive-brown. Smell acidic. Gills pale tan-buff often tinged olivaceous. Cheilocystidia and dermatocystidia rather elongated cylindric flexuose often with a swollen apex 6–14um wide. Spore print brown. Spores brown, bean-shaped, smooth, 6.5–10 x 4–5.5um. Habitat on deciduous stumps or logs. Season autumn. Occasional. Not edible. Found In Europe.