Microscopic: spores (6.5)8-10.5 x 4.5-5 microns, white, smooth, (Donk, in Corner for type), 9-11 x 4-6 microns (Bres. in Corner), 7-8 x 4 microns, with 1 droplet (Killerm. in Corner); basidia 2-3-spored, 32-40 x 5-6.5 microns, sterigmata 5 microns long (Donk in Corner), 30-35 x 6-8 microns (Bres. in Corner), 20 microns long, with sterigmata 10 microns long (Killerm. in Corner); hyphae 3-5 microns wide, thin-walled, (Donk in Corner)