Inocybe fastigiata    (Schaeff.:Fr.) Quél. 

common name(s) : Split Fibrecap, Silken-haired Inocybe 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Inocybaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Cortinariaceae/Inocybeae  

synonyms: Inocybe rimosa, Inocybe pseudofastigiata, Inocybe rimosa-rimosa, Inocybe confusa 
(unconfirmed synonyms: Inocybe umbrinella)  

edibility : poisonous

photo gallery of  Inocybe fastigiata
photo gallery of  Inocybe fastigiata potential confusions with  Inocybe fastigiata toxicity of Inocybe fastigiata genus Inocybe  

The cap is yellow to brown, conical, with a central umbo; its margin is cracked, torn. The cap surface is silky-fibrillose, splitting radially when expanding with noticeable fibrils, not viscid nor sticky.

The stem is whitish to brownish, cylindrical, or slightly swollen towards base, without ring.

The flesh is white, unchanging; its taste is mild then bitter; the odour is unpleasant, rank or faint of meal; its texture is fibrous.

The gills are whitish to grey, adnate to emarginate, crowded (nb of gills per 90° ~ 23 ). The spore print is tobacco brown. This species is mycorrhizal. It grows on the ground, in broad-leaved woodlands, forest edges, heaps, along paths, on a rather calcareous, but not only soil, with oak and beech.

The fruiting period takes place from June to December.
Dimensions: width of cap approximately 6 cm (between 1.5 and 10 cm)
  height of stem approximately 7 cm (between 3 and 12 cm)
  thickness of stem (at largest section) approximately 7 mm (between 2 and 12 mm)

Chemical tests : none.

Distinctive features : tawny brown cap with radiating fibrils, showing white flesh in-between streaks; non bulbous stem base; mealy or spermatic odour

Inocybe fastigiata is occasional and widely present in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Inocybe fastigiata in the forest of Rambouillet
Above : distribution map of Inocybe fastigiata in the forest of Rambouillet



page updated on 14/01/18