Collybia tuberosa    (Bull.:Fr.) P. Kumm. 

common name(s) : Lentil Shanklet 

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

synonyms: Microcollybia tuberosa 

edibility : unknown edibility

potential confusions with  Collybia tuberosa toxicity of Collybia tuberosa genus Collybia  

The cap is white with green yellowish centre. The cap surface is smooth, not viscid nor sticky.

The stem is white, without ring.

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

The gills are white, 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 0.9 cm (between 0.3 and 1.5 cm)
  height of stem approximately 3 cm (between 1.5 and 6 cm)
  thickness of stem (at largest section) approximately 1 mm (between 0.5 and 2 mm)

Chemical tests : none.

Distinctive features : on remains of other mushrooms (Lactarius, Russula); stem arising from an underground reddish-brown,1cm large sclerotium, looking like an insect cocoon or an apple pip

Collybia tuberosa is quite rare and localised in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Collybia tuberosa in the forest of Rambouillet
Above : distribution map of Collybia tuberosa in the forest of Rambouillet



page updated on 14/01/18