Coprinopsis atramentaria    (Bull.:Fr.) Redhead, Vilgalys & Moncalvo 

common name(s) : Common Inkcap, Common Ink Cap 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Psathyrellaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Agaricales/Coprinaceae  

synonyms: Coprinus atramentarius 

edibility : poisonous

photo gallery of  Coprinopsis atramentaria
photo gallery of  Coprinopsis atramentaria potential confusions with  Coprinopsis atramentaria toxicity of Coprinopsis atramentaria genus Coprinopsis  

The cap is ash grey to greyish-brown, egg-shaped then bell-shaped; its margin is striate. The cap surface is with veil remnants showing as brown scales, especially at the centre, not viscid nor sticky.

The stem is white to greyish, with a slightly volva-like base caused by the very low ring, with a short-lived ring zone.

The flesh is white, unchanging; its taste is mild; the odour is not distinctive; its texture is fibrous.

The gills are white then pink then black, free, crowded . The spore print is black. This species is saprophytic. It grows on dead wood or on the ground, coming in not very dense tufts, close to stumps or buried wood in parks, gardens, wood edges, clearings.

The fruiting period takes place from March to December.
Dimensions: width of cap approximately 6 cm (between 2 and 12 cm)
  height of stem approximately 11 cm (between 3 and 20 cm)
  thickness of stem (at largest section) approximately 11 mm (between 1 and 15 mm)

Chemical tests : none.

Distinctive features : grey to grey-brown, striated, irregular bell-shaped cap, usually with brown scales (veil remnants) near the centre; ring zone near the base stem; crowded gills; in tufts on rotting (possibly buried) wood

Coprinopsis atramentaria is infrequent and scattered in the forest of Rambouillet, and is very frequent, more generally speaking .
here should be the distribution map of Coprinopsis atramentaria in the forest of Rambouillet
Above : distribution map of Coprinopsis atramentaria in the forest of Rambouillet

page updated on 14/01/18