Agaricus impudicus

Agaricus impudicus, is a mushroom of the genus Agaricus, a familiar genus with many edible species.

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Appearance

As with all Agaricus species, gills are free, colour progresses with age from pale-pink to a chocolate color, and spores are dark brown. The stipe has a clear annulus (ring).

Cap 4-15 cm wide, and appears brownish due to numerous brownish scales on a white background. Stipe is white, 6-12 cm tall and 0,8-2 cm thick, cylindrical and wider towards the bottom, or ending in a bulb.

It is distinguished from similar forest-growing Agaricus mushrooms in that it does not bruise yellowish or reddish when cut and the widening stipe. Taste is mild and the mushroom is edible.

Habitat

Known to occur in Western and Southern Europe and New Zealand, this uncommon mushroom is found in deciduous or coniferous forest in autumn.

Taxonomy

This species is known under a number of synonyms, all these refer to the same species:

• Agaricus brunnoleus (J. Lange) Pilát
• Agaricus koelerionensis (Bon) Bon 1980
• Agaricus reae Bon 1981
• Agaricus variegans F.H. Møller 1952
• Agaricus variegatus (F.H. Møller) Pil�t 1951
• Psalliota impudica Rea 1932
• Psalliota variegata F.H. Møller 1950
• Psalliota variegata var. koelerionis Bon 1972

References

• "Danske storsvampe. Basidiesvampe" [a key to Danish basidiomycetes] J.H. Petersen and J. Vesterholt eds. Gyldendal. Viborg, Denmark, 1990. ISBN 87-01-09932-9

• Agaricus impudicus entry at Global Biodiversity Information Facility.