Coprinus congregatus (Bull. ex St Amans) Fr. Buscheliger Zwergtintling. Cap 0.5–2cm high, cylindric-ellipsoid expanding to broadly convex, ochraceous buff with darker centre becoming grey from margin inwards. Stem 20–80 x 1–4mm, white, sometimes rooting. Smell slight, pleasant. Gills cream then brown-vinaceous, finally black and deliquescing. Spore print black. Spores ellipsoid, 12–14 x 6–7um. Dermatocystidia 48–106 x 7.5–17um, thin-walled, subcylindric with swollen base to somewhat lageniform. Habitat caespitose, on dung, compost or rotting straw. Season summer. Rare. Edibility unknown -avoid. Distribution, America and Europe.