Rutstroemia firma    (Pers.) P. Karst. 

common name(s) : Brown Cup 

New classification: Ascomycota/Pezizomycotina/Leotiomycetes/Leotiomycetidae/Helotiales/Rutstroemiaceae  
Former classification: Ascomycota  

synonyms: Poculum firmum 

edibility : inedible

potential confusions with  Rutstroemia firma toxicity of Rutstroemia firma genus Rutstroemia  

The fruiting body is cup-shaped, irregular, with an ochre-brown internal surface, the external being of similar colours, with an ochraceous brown stem, not clearly marked from the fertile head.

The fertile surface is smooth.

It grows on wood, on fallen branches, on oaks.

The fruiting period takes place from April to December.
Dimensions: width of fruiting body approximately 0.9 cm (between 0.5 and 1.5 cm)
  total height approximately 0.5 cm (between 0.2 and 1 cm)

Distinctive features : sorry, no English description yet

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



page updated on 14/01/18