Stropharia blue-green (Stropharia aeruginosa) photo and description

Stropharia blue-green (Stropharia aeruginosa)

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Agaricales (Agaric or Lamellar)
  • Family: Strophariaceae (Strophariaceae)
  • Genus: Stropharia (Stropharia)
  • Species: Stropharia aeruginosa (Stropharia blue-green)
    Other names for the mushroom:
  • Troyschling Yar-Copper
  • Psilocybe Aeruginos


  • Psilocybe Aeruginos

  • Psilocybe aeruginosa

  • Troyschling Yar-Copper

Stropharia blue-green (Stropharia aeruginosa)


Stropharia blue-green grows in groups or bunches on dead trunks and stumps of coniferous trees, mainly spruces, pines, and firs. Less commonly, it is found on dead deciduous trees. Fruit bodies appear abundantly in summer and autumn, both in the lowlands and in the mountains. In the grass outside the forest, in forest glades, meadows, pastures, lawns, a rarer similar species grows - Sky-blue Stropharia (Stropharia caerulea). It is common in Europe and North America. Edible but tasteless.


Stropharia blue-green (Stropharia aeruginosa) - small mushrooms, similar to champignons in the way of feeding. Some species like a manured place outside the forest, others grow in the forest on rotten trunks and stumps, others - on horse or cow dung. There are about 18 species of these mushrooms in Europe; they all have wet slippery caps and brown or black-purple pollen. Stropharia rugosoannulata (Stropharia rugosoannulata) in some countries is bred industrially, like champignons.

Stropharia blue-green (Stropharia aeruginosa) has a blue-green cap with ocher spots 3-10 cm in diameter. Plates are whitish, later purple-gray. The leg is 4-12 / 0.8-2 cm in size, slippery, pale bluish or pale greenish, under a whitish, often disappearing ring, whitish-scaly or hairy. Greenish to bluish pulp. The taste is reminiscent of a radish, the smell is inexpressive. Spores are dark brown, 7.5-9 / 4.5-5 them. Cystids are wavy at the tip of the plates; in S. caerulea they are bottle-shaped.

Stropharia blue-green has a slippery cap with a diameter of 3-6 cm, greenish-blue or yellow-brown color. The plates are whitish, later brownish. The leg measures 3-8 / 0.5-1.5 cm, not slippery, greenish-blue, bluish, blue-white, scaly, with a fringed bluish vanishing ring. The pulp is whitish. The taste and smell are inexpressive. The spores are brown.

PSYCHO ACTIVITY: absent or very insignificant.

Video about the mushroom Stropharia blue-green:


Stropharia blue-green in Europe is considered an edible, but low-quality mushroom. Remove the slippery skin from the cap before cooking. In the United States, this mushroom is classified as poisonous, since there have been cases of poisoning with blue-green stropharia.