Cap and stem large, white, sticky, and shaggy. Grows in lawns, pastures, prairies, often in fairy rings. June–August. Cap oval, becoming convex; white; texture sticky, shaggy; texture can wash away in rain. Gills broad; spacing crowded; whitish yellow; attachment free. Stalk slightly bulbous at the base; white; texture sticky, shaggy; has ring. Universal veil white, collapsing on the stalk, leaving a cottony, sticky, shaggy substance. Spore print white. Spores magnified are smooth, round to broadly elliptical.
Lookalikes: Other Amanita species. Also resembles the poisonous green-spored lepiota (Chlorophyllum molybdites), which has green spores.