(Bolton) P. Kumm. (illustrated 40% life size) Cap 3–6cm across, convex then flattened, often with a low, broad umbo; tan to darker brown; becoming wrinkled and leathery with age. Stem 30–60×3–6mm; yellowish, covered in long, dense, white or yellowish, woolly hairs at the base and lower stem. Flesh whitish, tinged yellowish; taste acrid. Gills adnexed to free, crowded; cream to yellowish-brown or tan. Spores 7–9×3–4¼, elongate pip-shaped. Spore print white. Habitat in leaf litter of deciduous or occasionally coniferous woods; late summer to late autumn. Very common. Not edible due to the acrid taste. Note this may move to a new genus Gymnopus.
