Stropharia semiglobata    (Batsch:Fr.) Quél. 

common name(s) : Dung Roundhead 

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

synonyms: Protostropharia semiglobata, Psilocybe semiglobata, Hypholoma semiglobatum, Stropharia stercoraria, Stropharia semiglobata-stercoraria 

edibility : inedible

potential confusions with  Stropharia semiglobata toxicity of Stropharia semiglobata genus Stropharia  

The cap is pale yellow to greenish. The cap surface is smooth, viscid or sticky.

The stem is dull yellow to whitish, with a ring zone.

The flesh is ochraceous cream, orange yellow towards stem base, unchanging; its taste is mild; the odour is faint; its texture is fibrous.

The gills are purple then purple grey then black, adnate, crowded . The spore print is purple brown. This species is saprophytic. It grows on the ground.

The fruiting period takes place from April to December.
Dimensions: width of cap approximately 3 cm (between 1 and 6 cm)
  height of stem approximately 8 cm (between 2 and 12 cm)
  thickness of stem (at largest section) approximately 4 mm (between 2 and 7 mm)

Chemical tests : none.

Distinctive features : Ochre to cream, slimy cap; stem with ephemeral ring or ring zone; mealy smell and taste; on dung or very rich soil

Stropharia semiglobata is quite rare and localised in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Stropharia semiglobata in the forest of Rambouillet
Above : distribution map of Stropharia semiglobata in the forest of Rambouillet

page updated on 14/01/18