Gloeophyllum sepiarium (Wulf. ex Fr.) Karst. syn. Lenzites sepiaria (Wulf. ex Fr.) Fr. Zaunblattling Conifer Mazegill. Bracket 2–3cm across, 5–12cm wide, 0.5–1cm thick, fan-shaped and often in tiered groups, corky; upper surface coarsely concentrically ridged and radially wrinkled, softly hairy at first later bristly, indistinctly zoned maroon to rusty darkening with age towards the point of attachment, lighter, even bright rusty-orange near the margin. Flesh rusty-brown. Taste and smell slight and not distinctive. Gills densely and radially arranged and often fusing together irregularly giving a maze-like appearance, light ochraceous-rust drying tobacco-brown. Spores white, cylindric, 9–12.5 x 3–4.5um. Habitat on coniferous trees or timber causing an intensive brown rot which rapidly destroys the infected wood. Season all year, annual. Uncommon. Not edible. Distribution, America and Europe.