Kuehneromyces mutabilis    (Scop.:Fr.) Singer & A.H. Sm. 

common name(s) : Sheathed Woodtuft, Velvet Toughshank, Brown Stew Mushroom, Two-Toned Pholiota 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Strophariaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Crepidotaceae  

synonyms: Pholiota mutabilis, Galerina mutabilis 

edibility : edible, good

photo gallery of  Kuehneromyces mutabilis
photo gallery of  Kuehneromyces mutabilis potential confusions with  Kuehneromyces mutabilis toxicity of Kuehneromyces mutabilis genus Kuehneromyces  

The cap is ochre to tawny-brown, with a central umbo; its margin is striate when moist. The cap surface is smooth, not viscid nor sticky.

The stem is thin, whitish towards top, leather-brown to black towards base, scaly under the ring, with a ring.

The flesh is white with a tinge of yellow, unchanging; its taste is mild; the odour is strong, pleasant, of fruit; its texture is fibrous.

The gills are yellow then cinnamon, adnate, crowded . The spore print is red brown. This species is saprophytic. It grows on dead wood, in tufts, in broad-leaved (sometimes coniferous) woods, on stumps of birch, beech, oak, hornbeam, alder, spruce, poplar, elder, willow.

The fruiting period takes place from January to March.
Dimensions: width of cap approximately 5 cm (between 1.5 and 8 cm)
  height of stem approximately 6 cm (between 3 and 12 cm)
  thickness of stem (at largest section) approximately 6 mm (between 2 and 10 mm)

Chemical tests : none.

Distinctive features : Orange brown cap when damp, drying to honey yellow from the centre, giving it a two-toned colour; cap surface shiny and greasy looking, usually not viscid; on dead deciduous wood, in dense tufts; stem with ascending ring, covered with brown scales below ring

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



page updated on 14/01/18