Calocybe gambosa    (Fr.:Fr.) Donk 

common name(s) : St. George's Mushroom 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Lyophyllaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Tricholomatales/Tricholomataceae/Lyophylloideae/Lyophylleae  

synonyms: Tricholoma georgii, Tricholoma gambosum, Calocybe gambosum, Lyophyllum georgii, Calocybe georgii, Lyophyllum gambosum 

edibility : edible, good

photo gallery of Calocybe gambosa
photo gallery of Calocybe gambosa potential confusions with Calocybe gambosa toxicity of Calocybe gambosa genus Calocybe  

The cap is whitish. The cap surface is smooth, not viscid nor sticky.

The flesh is white, unchanging; its taste is mealy; the odour is mealy; its texture is fibrous.

The gills are white, emarginate, crowded . The spore print is white. This species is saprophytic. It grows on the ground, on a rather calcareous soil.

The fruiting period takes place from March to September.
Dimensions: width of cap approximately 9 cm (between 2.5 and 15 cm)
  height of stem approximately 6 cm (between 2 and 10 cm)
  thickness of stem (at largest section) approximately 20 mm (between 10 and 45 mm)

Chemical tests : none.

Distinctive features : white to cream, compact; strong odour of meal; grows mostly in spring; in grassy areas: gardens, parks, wood edges; in fairy rings

Calocybe gambosa is rare and localised in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Calocybe gambosa in the forest of Rambouillet
Above : distribution map of Calocybe gambosa in the forest of Rambouillet



page updated on 14/01/18