Agaricus bisporus    (L Lange) Imbach 

common name(s) : Cultivated Mushroom 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Agaricaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Agaricales/Agaricaceae/Agariceae  

synonyms: Psalliota bispora, Agaricus bisporus-bisporus, Agaricus bisporus-albidus 
(unconfirmed synonyms: Agaricus brunnescens)  

edibility : edible, good

photo gallery of Agaricus bisporus
photo gallery of Agaricus bisporus potential confusions with Agaricus bisporus toxicity of Agaricus bisporus genus Agaricus  

The cap is white or hazelnut brown. The cap surface is not viscid nor sticky.

The flesh is turning slowly pink; the odour is pleasant; its texture is fibrous.

The gills are free, crowded . The spore print is brown. This species is saprophytic. It grows on the ground.

The fruiting period takes place from February to November.
Dimensions: width of cap approximately 8 cm (between 3 and 15 cm)
  height of stem approximately 5 cm (between 2 and 10 cm)
  thickness of stem (at largest section) approximately 15 mm (between 8 and 40 mm)

Chemical tests : no reaction to Schaeffer's test.

Distinctive features : This is the common Portobello mushroom. Rare in the wild, with a brown cap and veil remnants at the cap margin

Agaricus bisporus is rare and confined in the forest of Rambouillet, and is infrequent, more generally speaking .
here should be the distribution map of Agaricus bisporus in the forest of Rambouillet
Above : distribution map of Agaricus bisporus in the forest of Rambouillet



page updated on 14/01/18