Marasmius oreades    (Bolton:Fr.) Fr. 

common name(s) : Fairy Ring Champignon 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Marasmiaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Tricholomatales/Marasmiaceae/Marasmiaceae  

edibility : edible, good

photo gallery of  Marasmius oreades
photo gallery of  Marasmius oreades potential confusions with  Marasmius oreades toxicity of Marasmius oreades genus Marasmius  

The cap is buff to brownish red or reddish leather, with a central umbo; its margin is striate in damp weather, sometimes wavy. The cap surface is smooth, not viscid nor sticky.

The stem is cream to leather-brown, without ring.

The flesh is whitish, unchanging; its taste is mild; the odour is of bitter almonds, pleasant; its texture is fibrous.

The gills are whitish cream to tawny pale, distant (nb of gills per 90° ~ 16 ). The spore print is white. This species is saprophytic. It grows on the ground, in meadows, parks, lawns, clearings, roadsides, often in fairy rings.

The fruiting period takes place from April to December.
Dimensions: width of cap approximately 5 cm (between 1 and 8 cm)
  height of stem approximately 6 cm (between 2 and 10 cm)
  thickness of stem (at largest section) approximately 4 mm (between 2 and 6 mm)

Chemical tests : none.

Distinctive features : red-brown cap; flexible and very tough stem; pale and distant gills; in parks, lawns or pastures, in fairy rings

Marasmius oreades is quite rare and localised in the forest of Rambouillet, and is very frequent, more generally speaking .
here should be the distribution map of Marasmius oreades in the forest of Rambouillet
Above : distribution map of Marasmius oreades in the forest of Rambouillet

page updated on 14/01/18