Helvella acetabulum    (L:Fr.) Quél. 

common name(s) : Vinegar Cup, Cup-shaped Brain Fungus 

New classification: Ascomycota/Pezizomycotina/Pezizomycetes/Pezizomycetidae/Pezizales/Helvellaceae  
Former classification: Ascomycota/Hymenoascomycetes/Pezizomycetideae/Pezizales/Pezizineae/Helvellaceae  

synonyms: Paxina acetabulum, Helvella acetabula, Paxina acetabula, Acetabula acetabulum 
(unconfirmed synonyms: Acetabula vulgaris)  

edibility : discard

photo gallery of Helvella acetabulum
photo gallery of Helvella acetabulum potential confusions with Helvella acetabulum toxicity of Helvella acetabulum genus Helvella  

The cap is deeply cup-shaped, supported by the vein-like ends of the stem halfway up, with a dark chestnut internal surface, the external being pale chestnut brown, with a well differentiated stem, whitish, veined or furrowed, ridged, becoming large veins under the cap.

The fertile surface is smooth.

It grows on the ground, in coniferous or deciduous woods, on pathsides and sandy grounds, on a rather calcareous soil.

The fruiting period takes place from April to September.
Dimensions: width of cap approximately 5 cm (between 2 and 8 cm)
  total height approximately 5 cm (between 1 and 10 cm)
  width of stem approximately 25 mm (between 20 and 30 mm)

Distinctive features : sorry, no English description yet

Helvella acetabulum is quite rare and localised in the forest of Rambouillet, and is occasional, more generally speaking .
here should be the distribution map of Helvella acetabulum in the forest of Rambouillet
Above : distribution map of Helvella acetabulum in the forest of Rambouillet



page updated on 14/01/18