Russula claroflava    Grove 

common name(s) : Yellow Swamp Brittlegill, Yellow Swamp Russula 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Incertae sedis/Russulales/Russulaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Russulales/Russulaceae  

synonyms: Russula flava 

edibility : edible

photo gallery of Russula claroflava
photo gallery of Russula claroflava potential confusions with Russula claroflava toxicity of Russula claroflava genus Russula  

The cap is golden yellow to lemon yellow; its margin is striate when mature. The cap surface is smooth, viscid or sticky.

The stem is white, becoming grey with age, without ring.

The flesh is turning greyish when exposed to air; its taste is mild; its texture is grainy (breaking like a chalk stick).

The gills are yellowish, free, distant . The spore print is pale ochre. This species is mycorrhizal. It grows on the ground, under broad-leaved trees, with birch, alder, chestnut.

The fruiting period takes place from June to November.
Dimensions: width of cap approximately 8 cm (between 3 and 12 cm)
  height of stem approximately 7 cm (between 3 and 10 cm)
  thickness of stem (at largest section) approximately 15 mm (between 10 and 30 mm)

Chemical tests : flesh becoming reddish then grey when in contact with iron sulphate; slow reaction to Gaïac (blue); negative reaction to sulpho-vanillin.

Distinctive features : white flesh; yellow gills, turning grey in bruises or with age; flesh turning red when in contact with formalin; under birch trees in swamps

Russula claroflava is occasional and widely present in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Russula claroflava in the forest of Rambouillet
Above : distribution map of Russula claroflava in the forest of Rambouillet



page updated on 14/01/18