Tricholoma columbetta    (Fr.:Fr.) P. Kumm. 

common name(s) : Blue Spot Knight, Dove-like Tricholoma 

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

edibility : edible

photo gallery of  Tricholoma columbetta
photo gallery of  Tricholoma columbetta potential confusions with  Tricholoma columbetta toxicity of Tricholoma columbetta genus Tricholoma  

The cap is pure white then creamy white and ochraceous at the disk, sometimes with coloured (pink, green, blue...) spots with age, conical-convex then expanded, often with a broad umbo; its margin is unrolled then often lobed, wavy, splitting with age. The cap surface is smooth, viscid when damp, drying quickly.

The stem is white, with blue-green stains at the base, without ring nor ring zone.

The flesh is white, unchanging; its taste is mild; the odour is indistinct, or very weak, of meal; its texture is fibrous.

The gills are white, emarginate, crowded . The spore print is white. This species is mycorrhizal. It grows on the ground, in broad-leaved (sometimes coniferous) woods, forest edges, on a rather acid soil, with beech, birch, oak, chestnut, hornbeam.

The fruiting period takes place from July to December.
Dimensions: width of cap approximately 8 cm (between 4 and 12 cm)
  height of stem approximately 8 cm (between 4 and 15 cm)
  thickness of stem (at largest section) approximately 15 mm (between 10 and 30 mm)

Chemical tests : none.

Distinctive features : entirely white mushroom; silky cap, slightly viscid and ochraceous at the disk, easily peelable into triangular chunks, with a wavy and split margin; blue-green stains typically present at the stem base, but not always; faint, mealy odour

Tricholoma columbetta is quite rare and scattered in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Tricholoma columbetta in the forest of Rambouillet
Above : distribution map of Tricholoma columbetta in the forest of Rambouillet



page updated on 14/01/18