| Cap | white to brownish, dry, never slimy, margin not grooved | white, conical to bell-shaped, smooth | white, smooth, hemispherical to flat | whitish to greyish brown, smooth to slightly scaly |
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| Underside | free gills, pink when young, later chocolate brown | white, free gills, stay white | white, free gills | free gills, pink to dark brown |
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| Stem | central, ring, no volva | ring and sac-like volva at the base | ring and sac-like volva at the base | with ring, base chrome yellow when cut |
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| Flesh | fleshy, stem partly tough and fibrous | fleshy | fleshy | fleshy |
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| Edibility | Edible | deadly poisonous | deadly poisonous | poisonous |
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