Amanita muscaria var. formosa

Amanita muscaria var. Formosa (Gonn. & Rabenh.) Sacc. is an ectomycorrhizal fungi that frequently forms associations with hardwoods (beech, maple, oak) and conifers such as pine.

Annulus of stipe clearly visible as well as part of vulva.
Figure 2. Annulus of stipe clearly visible as well as part of vulva.

Amanita muscaria var. Formosa (Gonn. & Rabenh.) Sacc.

Ecology and Morphology: Amanita muscaria var. Formosa (Gonn. & Rabenh.) Sacc. is an ectomycorrhizal fungi that frequently forms associations with hardwoods (beech, maple, oak) and conifers such as pine. This variety of Amanita muscaria has a yellow to orange cap on which pieces of the universal veil still reside (also referred to as warts) (Figure 1). Spore print will be white. The stipe has a complete annulus that is very fragile as well as a vulva and bulbous base (Figure 2). Amanita muscaria var. Formosa can frequently be found around associated trees In the late summer to early fall. While Amanita muscaria var. geuessowii is typically the yellow variety of Amanita muscaria found in the U.S., our ITS sequence best matched with Amanita muscaria var. Formosa. Amanita muscaria var. Formosa is poisonous and should not be eaten.

Amanita muscaria var. formosa Figure 1
Figure 2. Annulus of stipe clearly visible as well as part of vulva

 

Taxonomy:

  • Kingdom:  Fungi
  • Division: Basidiomycota
  • Class: Agaricomycetes
  • Order: Agaricales
  • Family: Amanitaceae
  • Genus: Amanita
  • Species: muscaria var. formosa

 

Literature:

  • Kuo, M. (2013, April). Amanita muscaria var. guessowii. Retrieved from the MushroomExpert.Com.

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