Helvella costifera    Nannf. 



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

synonyms: Paxina costifera 

edibility : unknown edibility

potential confusions with Helvella costifera toxicity of Helvella costifera genus Helvella  

The cap is deeply cup-shaped, supported by the ridge-like ends of the stem up to the top, with an ash-grey to brownish grey internal surface, the external being whitish, with a well differentiated stem, short, veined or furrowed, with protruding ridges assembled in veins.

The fertile surface is smooth.

It grows on the ground, in broad-leaved and coniferous woods, on a rather calcareous soil.

The fruiting period takes place from June to September.
Dimensions:
  total height approximately 7 cm (between 4 and 10 cm)

Distinctive features : sorry, no English description yet

Helvella costifera is still unreported so far in the forest of Rambouillet, and is quite rare, more generally speaking .



page updated on 14/01/18