Large to massive agaric often found growing in rings or trooping groups on grassy soil within pastureland. Cap: At first ovate maturing to convex and expanding, white or cream yellowing slightly with age or on bruising, smooth or finely scaled often with veil remnants at margin. Flesh: White, firm and thick with smell of bitter almonds. Gills: Free, broad, crowded at first pinky-grey then blackish browm. Stem: White bruising yellow, smooth; ring large, fleshy, persistent, white with a distinctive cog-wheel pattern. Spores: Blackish brown, ellipsoid, smooth. Edibility: Good*
