Psathyrella spadiceogrisea    (Schaeff.) Maire 

common name(s) : Spring Brittlestem 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Psathyrellaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Agaricales/Coprinaceae  

synonyms: Psathyrella vernalis 

edibility : discard

potential confusions with  Psathyrella spadiceogrisea toxicity of Psathyrella spadiceogrisea genus Psathyrella  

The cap is yellow-brown to greyish-brown, hygrophanous, conical then expanded, slightly umbonate; its margin is striate, especially when damp. The cap surface is smooth, not viscid nor sticky.

The stem is white to brownish, sometimes rooting or becoming yellow when pressed, without ring.

The flesh is whitish, unchanging; its taste is bitter or mild; the odour is faint or not distinctive; its texture is fibrous.

The gills are beige then chocolate brown with purple shades, adnexed to adnate-emarginate, crowded . The spore print is very dark brown. This species is saprophytic. It grows on the ground, in broad-leaved (and sometimes coniferous) woods, urban woods, forest edges, bushes, grassland, along paths, on rich soils.

The fruiting period takes place from April to November.
Dimensions: width of cap approximately 5 cm (between 2 and 8 cm)
  height of stem approximately 9 cm (between 5 and 12 cm)
  thickness of stem (at largest section) approximately 5 mm (between 3 and 8 mm)

Chemical tests : none.

Distinctive features : brown cap, very hygrophanous, with striate margin when damp; silvery white stem, silky-streaked on young specimens; on rich soils, in spring

Psathyrella spadiceogrisea is rare and confined in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Psathyrella spadiceogrisea in the forest of Rambouillet
Above : distribution map of Psathyrella spadiceogrisea in the forest of Rambouillet



page updated on 14/01/18