Tiered Antrodia
Antrodia serialis

Coniferous and mixed forests. Late autumn, early spring.
Fruiting bodies annual, sometimes perennial, elongated-spreading. Thin caps growing in overlapping tiers one above another, up to 3 cm wide, 2 cm across, the surface lumpy, finely hairy, bristly, smooth, yellowish, brownish, ochre, and the margins blunt, zoned, white. Young hymenophore white, later yellowish, up to 0.7 cm thick, pores distinct, angular. Flesh white, corky, with a strong smell of sponge, not bitter. Characteristic features: the fruiting body consists of many tiny caps. Grows on spruce, occurring on pines, very rarely on deciduous stumps and windfalls; causes a brown rot of the wood, active, a xylotroph.