Growing from the base of a Quercus rubra. Staining slightly brownish with 1M KOH. All structures inamyloid. Dimitic with clamped generative hyphae. Smooth cystidia present. Basidia 4-sterigmate. Spores smooth and thin-walled. Spore measurements from Piximetre: (4.3) 5 - 6.1 (6.5) Ã- (3.5) 3.6 - 4.4 (4.9) µm, Q = (1.2) 1.3 - 1.5 (1.6); N = 30, Me = 5.5 Ã- 4 µm; Qe = 1.4 Individual spores: 5.04 x 3.56 µm, 5.29 x 3.62 µm, 6.46 x 3.95 µm, 5.40 x 3.86 µm, 5.73 x 4.49 µm, 5.25 x 4.02 µm, 6.14 x 4.37 µm, 6.02 x 4.01 µm, 5.69 x 3.93 µm, 5.14 x 3.76 µm, 6.09 x 3.72 µm, 5.49 x 3.98 µm, 5.44 x 3.63 µm, 5.25 x 3.72 µm, 5.49 x 3.82 µm, 5.63 x 4.46 µm, 5.98 x 4.91 µm, 5.67 x 3.92 µm, 5.35 x 4.04 µm, 5.29 x 3.83 µm, 6.16 x 4.08 µm, 6.13 x 3.86 µm, 4.86 x 3.71 µm, 4.97 x 3.97 µm, 5.36 x 4.11 µm, 5.46 x 3.93 µm, 5.56 x 4.38 µm, 5.94 x 4.20 µm, 4.29 x 3.50 µm, 5.26 x 3.85 µm