Agaricus haemorrhoidarius    Schulzer 

common name(s) : Bleeding Mushroom 

New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Agaricaceae  
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Agaricales/Agaricaceae/Agariceae  

synonyms: Psalliota hemorrhoidaria, Agaricus hemorrhoidaria, Psalliota haemorrhoidaria, Agaricus haemorroidarius 

edibility : edible, good

photo gallery of  Agaricus haemorrhoidarius
photo gallery of  Agaricus haemorrhoidarius potential confusions with  Agaricus haemorrhoidarius toxicity of Agaricus haemorrhoidarius genus Agaricus  

The cap is brown on a white background, reddening. The cap surface is scaly, not viscid nor sticky.

The stem is bulbous, with a membranous ring.

The flesh is turning blood red quickly and strongly when exposed to air; the odour is faint, pleasant; its texture is fibrous.

The gills are free, crowded . The spore print is brown. This species is saprophytic. It grows on the ground.

The fruiting period takes place from July to November.
Dimensions: width of cap approximately 10 cm (between 4 and 15 cm)
  height of stem approximately 10 cm (between 5 and 15 cm)
  thickness of stem (at largest section) approximately 20 mm (between 10 and 30 mm)

Chemical tests : no reaction to Schaeffer's test.

Distinctive features : flesh turning to bright and intense red when exposed to air; reddening of the mushroom when touched or bruised; bulbous stem base; gills pink then brown; in forest edges

Agaricus haemorrhoidarius is quite rare and localised in the forest of Rambouillet, and is infrequent, more generally speaking .
here should be the distribution map of Agaricus haemorrhoidarius in the forest of Rambouillet
Above : distribution map of Agaricus haemorrhoidarius in the forest of Rambouillet



page updated on 14/01/18