Shrink list ... Habit of Growth:
Mushroom is not protected
Cap: 5-11 cm across, first hemispherical, later convex, old plane, if wet sometimes lubricous, if dry satiny, light to dark brown, covered with concentric, evenly spaced, white veil remnants, margin is incurved for a long time, obtuse, normally striate or atleast striate if old.
Hymenophore: lamellae are white, broad, free, edges are finely floccose.
Spore print: white
Spore: elliptic to oval, 8-10,4 x 6,6-8,5 μm
Stem: 6-13 x 1-2,5 cm, cylindric, at the base with a marginate bulb, which is to 4 cm across, young solid, old hollow, white, finely longitudinally fibrillose to little squamose, with 1-2 floccose squamose zones above the bulb, annulus membranous, pendent, white, upper surface is smooth, not striate.
Flesh: white, thick in the center, thin toward the margin, odor is faintly raphanoid, taste is mild.
Habitat: solitary to gregarious in hardwood and coniferous forests, grows from summer to fall.
Edibility: deadly poisonous
Remarks: similar with Amanita excelsa and Amanita rubescens, which both have smooth cup margin.