Marasmius androsaceus (L. ex Fr.) syn. Androsaceus androsaceus (L. ex Fr.) Rea Pferdenhaar-Schwindling Horsehair Parachute. Cap 0.5–1cm across, convex often with the centre depressed, membranous and radially wrinkled, clay pink with red-brown centres. Stem 20–60 x 1mm, black, hair-like, stiff and tough. Flesh thin, white in cap, dark in stem. Gills distant, clay pink. Spore print white. Spores pip-shaped, 6.5–9 x 3–4um. Cuticular cells irregular with minute finger-like processes. Habitat on twigs, needles, leaves and dead heather associated with black horsehair-like mycelium. Season late spring to late autumn. Common. Not edible. Distribution, America and Europe. Note this species has now been published as the type for a new genus Setulipes.