Datronia mollis (Sommerf.) Donk syn. Trametes mollis (Sommerf.) Fr. syn. Antrodia mollis (Sommerf.) Karst. Weiche Tramete Common Mazegill Hanyattfekvő egyrétűtapló. Fruit body generally consisting of long narrow shelf-like, undulating, rather thin but tough, leathery brackets, often in tiers, measuring 1–7cm long, 0.5–2.5cm wide, 0.2–0.6cm thick, which are velvety and umber brown on the upper surface when fresh, later smooth and darker brown to almost black. Flesh pale brownish. Tubes 0.5–5mm long. Pores 1–2 per mm, angular, irregularly elongated or slot-like, greyish due to a whitish bloom which disappears on handling leaving the pore-surface yellowish-brown or umber. Spores sybculindric, 8–10 x 2.5–3.5µ. Hyphal structure dimitic. Habitat on dead deciduous wood. Season all year. Frequent. Not edible. Distribution, America and Europe.