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Coprinopsis atramentaria   (Common Ink Cap)
Family
Coprinaceae
Location
North America, Europe
Dimensions
Cap 3-7 cm tall * variable diameter, stem 7-14 cm tall * 1-1.5 cm thick
Edibility
Poisonous

Description
Coprinopsis atramentaria, commonly known as the common ink cap, inky cap or alcohol inky cap, is poisonous, when combined with alcohol. It is a medium-sized conical agaric, that is greyish brownish and later blackening. It grows generally in tufts, in fields, gardens and waste ground, near broad-leaf tree stumps or buried wood.

Cap egg-shaped, expanding to become slightly umbonate with age. The colour is gray to gray-brown. Flesh is white, hollow and medium in young specimens but soon discolors and deliqueces slowly from the margin. Gills free, extremely crowded and edged with white. Spores are black. Stem is white and smooth with fine, reddish brown fibrils at base.

Similar species Coprinus insignis has warty spores. Coprinus micaeus is smaller and more fragile. It granulates when young.

Coprinopsis atramentaria on the First Nature Web site.
Coprinopsis atramentaria on the MushroomExpert.Com Web site.




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