Cystoderma carcharias    (Pers.:Fr.) Fayod 

common name(s) : Pearly Powdercap 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Agaricoideae/Agaricaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Tricholomatales/Dermolomataceae  

synonyms: Lepiota carcharias 

edibility : inedible

potential confusions with  Cystoderma carcharias toxicity of Cystoderma carcharias genus Cystoderma  

The cap is white to pink, with a central umbo. The cap surface is smooth, not viscid nor sticky.

The flesh is unchanging; its taste is mild; the odour is unpleasant, earthy; its texture is fibrous.

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

The fruiting period takes place from July to November.
Dimensions: width of cap approximately 4 cm (between 1 and 7 cm)
  height of stem approximately 6 cm (between 2.7 and 8 cm)
  thickness of stem (at largest section) approximately 7 mm (between 3 and 10 mm)

Chemical tests : cap turning brownish when in contact with potash (KOH).

Distinctive features : whitish to pinkish cap; margin with white hanging veil remnants; membranous funnel-shaped ring; mealy-granular cap and stem; unpleasant earthy odour

Cystoderma carcharias is rare and confined in the forest of Rambouillet, and is quite rare, more generally speaking .
here should be the distribution map of Cystoderma carcharias in the forest of Rambouillet
Above : distribution map of Cystoderma carcharias in the forest of Rambouillet



page updated on 14/01/18