BRIEF DESCRIPTION: Based on the original description of Murrill (1941) and type study by David T. Jenkins (1979).

The cap of Amanita fraterna is up to 20 - 40 mm wide, plano-convex, viscid, honey colored with a rather dark brown center, with a nonstriate margin. The volval remnants are present as a few, randomly distributed, floccose patches. The flesh is thin and white.

The gills are free, crowded, broad, white, with edges fimbriate.

The stem is 60 - 70 × 5 - 8 mm, cylindric, pinkish-tan, with floccose patches on the top of the bulb and lower stem. The ring is white, membranous, superior 20 mm from the top, and persistent. The bulb is small at the base of the stem. The volva is fragile.

The spores measure 7.8 - 8.6 × 5.5 - 5.9 µm and are ellipsoid and weakly amyloid. Clamps are absent at bases of basidia.

Originally described from Florida, USA under oak.