Panaeolus semiovatus    (Sowerby:Fr.) S. Lundell 

common name(s) : Egghead Mottlegill, Dung Mushroom 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Incertae sedis  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Bolbitiaceae  

synonyms: Anellaria separata, Panaeolus separatus, Anellaria semiovata, Panaeolus fimiputris, Panaeolus semiovatus-semiovatus 
(unconfirmed synonyms: Anellaria fimiputris, Anellaria semiovatus)  

edibility : inedible

potential confusions with  Panaeolus semiovatus toxicity of Panaeolus semiovatus genus Panaeolus  

The cap is white, yellow-brown at the centre. The cap surface is smooth, sticky when damp.

The stem is whitish, with a membranous ring.

The flesh is whitish, unchanging; its taste is mild; the odour is not distinctive; its texture is fibrous.

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

The fruiting period takes place from April to March.
Dimensions: width of cap approximately 4 cm (between 1 and 8 cm)
  height of stem approximately 11 cm (between 3 and 20 cm)
  thickness of stem (at largest section) approximately 6 mm (between 2 and 15 mm)

Chemical tests : none.

Distinctive features : bell or egg-shaped, never expanding, not hygrophanous; membranous and long-lasting ring; on dung (horse, cow, sheep)

Panaeolus semiovatus is rare and confined in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Panaeolus semiovatus in the forest of Rambouillet
Above : distribution map of Panaeolus semiovatus in the forest of Rambouillet

page updated on 14/01/18