Tricholoma terreum    (Schaeff.:Fr.) P. Kumm. 

common name(s) : Grey Knight, Dirty Tricholoma 

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

edibility : edible

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

The cap is pale grey to dark grey brown, conical then convex and eventually flattened, with a broad umbo; its margin is thin and always slightly incurved, split, eventually upturned. The cap surface is finely scaly to fibrillose, downy-felty, not viscid nor sticky.

The stem is white, smooth, without scales, without ring.

The flesh is white, firm, unchanging; its taste is faint, pleasant; the odour is not distinctive; its texture is fibrous.

The gills are white to grey, emarginate, with a toothed edge, distant (nb of gills per 90° ~ 17 ). The spore print is white. This species is mycorrhizal (or saprophytic of broad-leaved trees). It grows on the ground, in coniferous forests or mixed pine woods, on a rather calcareous soil, with pine, spruce.

The fruiting period takes place from July to December.
Dimensions: width of cap approximately 6 cm (between 2 and 10 cm)
  height of stem approximately 6 cm (between 3 and 10 cm)
  thickness of stem (at largest section) approximately 11 mm (between 5 and 15 mm)

Chemical tests : none.

Distinctive features : grey cap, downy to finely scaly, with rather distant pale grey gills; flesh odourless and with faint pleasant taste; mostly with pines on a rather calcareous soil

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

page updated on 14/01/18