Bolbitius titubans    (Bull.:Fr.) Fr. 

common name(s) : Yellow Fieldcap, Yellow Cow-pat Toadstool 

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

synonyms: Bolbitius vitellinus, Bolbitius vitellinus-titubans 
(unconfirmed synonyms: Bolbitius boltonii, Bolbitius fragilis)  

edibility : inedible

photo gallery of Bolbitius titubans
photo gallery of Bolbitius titubans potential confusions with Bolbitius titubans toxicity of Bolbitius titubans genus Bolbitius  

The cap is bright yellow. The cap surface is smooth.

The stem is white to yellowish, without ring.

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

The gills are yellow then rusty red, free or adnate, crowded . The spore print is rusty brown. This species is saprophytic.

The fruiting period takes place from May to December.
Dimensions: width of cap approximately 3 cm (between 0.5 and 6 cm)
  height of stem approximately 7 cm (between 2 and 12 cm)
  thickness of stem (at largest section) approximately 4 mm (between 2 and 5 mm)

Chemical tests : none.

Distinctive features : lemon yellow to egg-yellow, furrowed, viscous when young; fragile; on organic waste, manure

Bolbitius titubans is quite rare and scattered in the forest of Rambouillet, and is frequent, more generally speaking .
here should be the distribution map of Bolbitius titubans in the forest of Rambouillet
Above : distribution map of Bolbitius titubans in the forest of Rambouillet



page updated on 14/01/18