Agrocybe putaminum    (Maire) Singer 

common name(s) : Mulch Fieldcap 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Strophariaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Bolbitiaceae  
(unconfirmed synonyms: Agrocybe putamina)  

edibility : unknown edibility

potential confusions with Agrocybe putaminum toxicity of Agrocybe putaminum genus Agrocybe  

The cap is brownish ochre to pale buff, hemispherical, then convex and soon flat, sometimes a bit umbonate; its margin is smooth or wavy. The cap surface is smooth, matt and dry.

The stem is same colour as cap, powdery, with bootlace-like white mycelial cords at the base, without ring.

The flesh is white to ochre, unchanging; its taste is mealy, slightly bitter; the odour is faint, of cocoa or of meal; its texture is fibrous.

The gills are beige to dark brown, adnate, crowded (nb of gills per 90° ~ 23 ). The spore print is brown. This species is saprophytic. It grows on woodchips (also on the ground, on buried wood), in parks, meadows, on rich soils.

The fruiting period takes place from June to August.
Dimensions: width of cap approximately 4 cm (between 2 and 7 cm)
  height of stem approximately 6 cm (between 2 and 8 cm)
  thickness of stem (at largest section) approximately 8 mm (between 3 and 15 mm)

Distinctive features : looks like a Hebeloma; spherical, ochre-brown cap; striate and fibrillose stem, without ring but with mycelial cords at base; on rich soils, woodchips

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



page updated on 14/01/18