Amanita flavaconia

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Amanita flavaconia. From
Amanita flavaconia. From

Taxonomy and Systematics

Kingdom: Fungi

Subkingdom: Dikarya

Phylum: Basidiomycota

Subphylum: Agaricomycotina

Class: Agaricomycetes

Order: Agaricales

Family: Amanitaceae

Genus: Amanita

Species: Amanita flavaconia Atkinson

Descriptive notes

Amanita flavaconia (Yellow Patches) has a cap that is 3 – 9 cm wide and convex (becoming flat with age). Cap surface is smooth and yellow, tinted orange near the center. Unless slightly eroded, cap margin is nonstriate. Gills are white; lamellulae are rounded to attenuate. Stalk is white and tapers slightly at the top. Spore print is white.

A. flavaconia can be found fruiting scattered or in groups on the ground in mixed woods between the months of July and October.

A. flavaconia is often confused with A. frostiana; A. frostiana, however, can be distinguished by its striate margins and truncate lamellulae. Both are beautiful and brightly colored mushrooms.

Campus distribution and habitat

My A. Flavaconia specimen was found fruiting beneath pines and mixed hardwood just west of Dickinson. It was collected at 2:00 pm on Monday the 12 September, 2011.


  • Barron, George L. Mushrooms of Northeast North America: Midwest to New England. Edmonton: Lone Pine, 1999. Print.
  • Bessette, Alan E., Arleen R. Bessette, and David W. Fischer. Mushrooms of Northeaster North America. Syracuse, NY: Syracuse UP, 1997. Print.
  • "Amanita Flavoconia." Wikipedia, the Free Encyclopedia. Web. 15 Sept. 2011. <>.