Amanita muscaria var. formosa

Amanita muscaria var. formosa, known as the yellow orange fly agaric, is a poisonous[1] basidiomycete fungus of the genus Amanita. This variety, which can sometimes be distinguished from most other A. muscaria by its yellow cap, is a European taxon, although several North American field guides have referred A. muscaria var. guessowii to this name.[2] American mycologist Harry D. Thiers described a yellow-capped taxon that he called var. formosa from the United States,[3] but it is not the same as the European variety.

Amanita muscaria var. formosa
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Amanitaceae
Genus: Amanita
Species:
A. muscaria
Variety:
A. m. var. formosa
Trinomial name
Amanita muscaria var. formosa
Pers. (1800)

Controversy

Recent DNA evidence has shown Amanita muscaria var. formosa to be a distinct species from Amanita muscaria and it will be getting its own species status soon. Amanita muscaria var. formosa has been described as Amanita muscaria var. guessowii.[4]

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See also

References
  1. Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 16. ISBN 978-1-55407-651-2.
  2. Michael Kuo. "Amanita muscaria var. guessowii". MushroomExpert.com. Retrieved 2014-12-06.
  3. Theirs HD. (1982). Agaricales of California, Vol. 1: Amanitaceae. Berkeley, California: Mad River Press. ISBN 978-0916422240.
  4. Tulloss RE; Yang Z-L (2012). "Amanita muscaria var. guessowii Veselý". Studies in the Genus Amanita Pers. (Agaricales, Fungi). Retrieved 2013-02-21.
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