Mycoacia uda (Fr.) Donk. syn. Acia uda (Fr.) Bourdot & Galzin (nom. illegit.) (illustrated 55% life size) Fruit body resupinate, 2–10cm across, 0.1–0.2mm thick; white, cream, or pink-buff, margin white; fibrillose when young. Spores globose, 7–8¼ in diameter, with uneven, thickened walls; white. Chlamydospores apical or intercalary on hyphae in subhymenial tissue, 8–10×6–8¼, rounded to pear-shaped with thickened, dextrinoid walls. Hyphal structure monomitic; generative hyphae with clamp connections, thin to somewhat thick-walled. Habitat on deciduous wood; late autumn to late winter. Frequent. Not edible.