Panaeolus ater (Lange) Kühn. & Romagn. syn. P. fimicola (Fr.) Quél. s. Ricken. Dunkler Düngerling. Cap 1.5–4.5cm across, hemispherical with slight umbo, dark brown when moist drying buff or tan from margin inwards. Stem 20–80 x 2–5mm, buff or tan to darker brown, paler at apex, base covered in fine white down. Flesh thin, brown. Taste mushroomy, smell none. Gills adnate, grey at first soon becoming mottled black then finally totally black. Spore print black. Spores lemon-shaped, 10–14 x 7–8um. Habitat on lawns or in short grass under trees. Season spring to autumn. Frequent. Not edible. Found In Europe.