Mycena uracea. Pearson, Possibly syn M megaspora Kauff. Dunkler Helmling. Cap 1–3cm across, conical to convex, grooved with prominent umbo, grey-brown with darker, almost black, centre. Stem 20–40 x 2–3mm, grey-brown, base often with fine white hairs and rooting. Flesh thin at centre, whitish. Taste slightly radishy, smell none. Gills adnate with decurrent tooth, white then pinkish-grey. Cheilocystidia pyriform with warted apex. Spore print white. Spores broadly ellipsoid, amyloid, 8–10 x 6–7.5um. Habitat with heather, especially on burnt heaths. Season autumn. Occasional. Not edible. Found In Europe and probably north America.