Practice area: created for the 303-species Hungarian mushroom inspector requirement. It is not an official examination; requirements in other countries may differ.
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Grey Spotted Amanita
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Grey Spotted Amanita

Amanita excelsa

conditionally edible
  • Habitat: deciduous coniferous
  • Fruiting season: June – November
  • Cap: hemispherical flat spotted grooved
  • Stem: cylindrical thickening
  • Fertile layer: curved free dense fringed

Description

Cap: Can reach 15 cm in diameter for this stocky, robust mushroom. Its surface is covered with many white or grayish, strongly adhering, flour-like spots on a grayish-brown base. In young state, the cap is rough and floury, egg-shaped, then spreading during development.

Gills: Under the cap, the white gills are densely packed, and their color does not change later. They are not attached to the whitish, graying downwards stem, free.

Stem: Can grow to 10-12 cm tall, its base is bulbously thickened. A wreath of small warts can be observed on the bulb. The ring sits high and does not disintegrate as quickly as in some other amanitas. Finely grooved.

Flesh: White, in some varieties slightly browning, its taste is generally mild, although its smell and taste are sometimes unpleasantly musty and earthy.

Spore: White; 9-10 x 8-9μm; elliptical.

Occurrence: In Hungary, under deciduous trees from June to October, a species rarer than the panther cap.

Edibility: The grey spotted amanita is edible, but poisonous raw. Even when cooked, it often has an earthy taste. Not recommended for consumption due to confusion risks.

Confusion: Can be confused with the young blusher, whose cap and stem are pinkish-flesh-colored, and its flesh reddens; also with the panther cap, which has mostly regular, white veil remnants, and its stem base is rimmed bulbous. The grooving of the cap margin is not a reliable identifying feature.

Note: Some mycologists distinguish two more varieties: var. excelsa, var valida. spissa means thick and dense. The latter refers to its gills.

Species description: In 1821, the Swedish Elias Magnus Fries mycologist named it Agaricus Excelsus. In 1871, it was placed in the Amanita genus by Paul Kummer, and received the name Amanita excelsa.

Taxonomy

  1. PhylumBasidiomycota
  2. ClassAgaricomycetes
  3. OrderAgaricales
  4. FamilyAmanitaceae
  5. GenusAmanita
  • Species: excelsa
  • Described by: (Fr.) Bertill. (1866)
  • Hungarian name: szürke galóca
  • Lifestyle: mycorrhizal
  • Edibility: edible
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