Cap: 3-12 cm across, yellow to white, pileus knoblike when young, later rounded with undulating margin, which is inrolled when young, convex pulvinate when old.
Hymenophore: lamellae are smooth, with broad yellow anastomosing ridges decurrent on the stem.
Spore print: yellowish
Spore: elliptic, 7,4(8)-9,2 X 4,5-5,8 μm
Stem: 2,5-6 x 1,2-2 cm, cylindrical to somewhat tapered and gradually merging with the pileus, smooth and solid, concolorous with the pileus.
Flesh: white to pale yellow, fragile to fibrous, mild, pleasant taste and odor.
Habitat: gregarious in hardwood and conifer forests by young beech in alpine pastures on edges of pine forests, grows from summer to fall.