Microcharacters: Dimitic with dextrinoid skeletal hyphae throughout the spines. Generative hyphae thin-walled to slightly thick-walled, septa with clamps, colourless, IKI-. Basidiospores hyaline, slightly thick-walled, ellipsoid-cylindric, c. 10 x 4 um, smooth, slightly thick-walled. Basidia hyaline, clavate, thin-walled, 4-spored.