Hygrophorus pustulatus    (Pers.:Fr.) Fr. 

common name(s) : Blistered Woodwax 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Hygrophoraceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Tricholomatales [sub-genus:Neocamarophyllus section:Neocamarophyllus ]  

synonyms: Limacium pustulatum, Hygrophorus tephroleucus 
(unconfirmed synonyms: Limacium pustulatus)  

edibility : edible

potential confusions with  Hygrophorus pustulatus toxicity of Hygrophorus pustulatus genus Hygrophorus  

The cap is greyish to grey-brown, darker in the centre, convex then expanded and ultimately depressed in the middle with age, often with a small umbo; its margin is smooth to slightly grooved, inrolled for a long time. The cap surface is covered with fine darker granular scales, especially at the disk, only slightly viscid.

The stem is white, cylindrical, non viscid, covered with brownish-grey glandular grains, more visible at the top, without ring.

The flesh is white, thick at the middle, unchanging; its taste is mild, not distinctive; the odour is faint or not distinctive; its texture is fibrous.

The gills are white, adnate to slightly decurrent, thick, broad, distant and waxy . The spore print is white. This species is mycorrhizal. It grows on the ground, in coniferous woods, essentially with spruce.

The fruiting period takes place from September to November.
Dimensions: width of cap approximately 3.5 cm (between 1 and 6 cm)
  height of stem approximately 5 cm (between 2.5 and 8 cm)
  thickness of stem (at largest section) approximately 6 mm (between 2 and 10 mm)

Distinctive features : greyish cap, covered with fine granular scales, darker in the centre, not very viscid; white stem, non viscid, dotted with dark grey-brown spots, more visible at the top; white gills, slightly decurrent, waxy, distant; white flesh, with a not distinctive faint odour; essentially with spruce

Hygrophorus pustulatus is still unreported so far in the forest of Rambouillet, and is infrequent, more generally speaking .



page updated on 14/01/18