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Agaricus bitorquis

Scientific classification

Binomial name

Agaricus bitorquis
(Quélet) Sacc.

Agaricus bitorquis
mycological characteristics:
gills on hymenium
cap is convex
hymenium is free
stipe has a ring
spore print is brown
ecology is saprophytic
edibility: choice

Agaricus bitorquis is an edible white mushroom, similar to the common mushroom. The name supersedes Agaricus rodmani.

It is often confused with Agaricus bernardii, however that mushroom has a salty odor.

Description

Cap: Smooth, white, 4 to 15 cm, convex to plane. Often with dirt on the cap.
Gills: Free, close, light color when young becoming dark brown as the spores mature.
Spores: Chocolate brown, elliptical, smooth, 6 x 5 micrometers.
Stipe: 3 to 11 cm, 2 - 4 cm thick, equal to enlarged at the base, stout, white, smooth, with a membranous veil and thick white sheathing near the base.
Taste: Mushroomy, good.
Odor: Mild.
Microscopic features: