Amanita verna    (Bull.:Fr.) Lamarck 

common name(s) : Spring Amanita 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Amanitaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Agaricales/Amanitaceae [sub-genus:Lepidella section:Phalloideae ]  

synonyms: Amanita phalloides-verna 
(unconfirmed synonyms: Agaricus bulbosus-vernus)  

edibility : deadly poisonous

potential confusions with  Amanita verna toxicity of Amanita verna genus Amanita  

The cap is white to cream; its margin is smooth. The cap surface is smooth.

The stem is white without zebra-like markings, mealy and smooth, bulbous, with a white sheathing volva, and a membranous striate ring.

The flesh is unchanging; its taste is mild then slightly acidic; the odour is faint, then rank for old specimens; its texture is fibrous.

The gills are white, free, crowded . The spore print is white. This species is mycorrhizal. It grows on the ground, in parks, deciduous (sometimes coniferous) woods, in warm places, on a rather calcareous soil, with oak.

The fruiting period takes place from April to November.
Dimensions: width of cap approximately 8 cm (between 2 and 15 cm)
  height of stem approximately 9 cm (between 4 and 15 cm)
  thickness of stem (at largest section) approximately 13 mm (between 6 and 20 mm)

Chemical tests : flesh not becoming yellow when in contact with potash (KOH).

Distinctive features : entirely white; tight sheathing sac-shaped volva at stem base; young specimens with spherical shape; stem with membranous ring; flesh does not turn golden yellow when in contact with caustic soda; often appears in spring but also in autumn

Amanita verna is rare and confined in the forest of Rambouillet, and is quite rare, more generally speaking .
here should be the distribution map of Amanita verna in the forest of Rambouillet
Above : distribution map of Amanita verna in the forest of Rambouillet

page updated on 14/01/18