Russula heterophylla    (Fr.:Fr.) Fr. 

common name(s) : Greasy Green Brittlegill 

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

synonyms: Russula furcata ss.Cke., Russula livida 

edibility : edible

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

The cap is with variable shades of green : olive green to green yellowish; its margin is smooth. The cap surface is smooth, not viscid nor sticky.

The stem is white washed with rust towards top, without ring.

The flesh is unchanging; its taste is mild; the odour is not distinctive; its texture is grainy (breaking like a chalk stick).

The gills are white, free, crowded . The spore print is white. This species is mycorrhizal. It grows on the ground, in broad-leaved and coniferous woods, on a rather acid soil.

The fruiting period takes place from July to November.
Dimensions: width of cap approximately 9 cm (between 5 and 15 cm)
  height of stem approximately 6 cm (between 3 and 10 cm)
  thickness of stem (at largest section) approximately 20 mm (between 10 and 30 mm)

Chemical tests : flesh becoming bright salmon pink when in contact with iron sulphate; positive reaction to Gaïac (bright blue); faint purple reaction of cap cystidia to sulpho-vanillin.

Distinctive features : white flesh; rusty stains on the cap bites, gills or stem; whitish gills, greasy to the touch, tending to fuse close to the stem

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



page updated on 14/01/18