Float black

Black float (Amanita Pachycolea)


  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Agaricales (Agaric or Lamellar)
  • Family: Amanitaceae (Amanitaceae)
  • Genus: Amanita (Amanita)
  • Subgenus: Amanitopsis (Float)
  • Species: Amanita Pachycolea (Black float)


Amanita muscaria

amanita pachycolea   The black float (Black fly agaric) is truly the king among floats. It can grow up to 25 centimeters in height, with a cap of 15 centimeters or more in diameter. Otherwise, he is no different from his closest relatives: Volvo, the absence of a ring on the leg, the ribbed edge of the cap, especially in adulthood.

You can easily distinguish a black float from other floats, especially from a gray one, by its color.

Description: Like any float, in early youth the mushroom is something like an 'egg': the embryo of the fungus develops inside a shell (the so-called 'common veil'), which subsequently bursts and remains at the base of the fungus in the form of a shapeless sac, called ' Volvo '.

amanita pachycolea

Ecology: forms mycorrhiza with coniferous trees, can grow in both coniferous and mixed forests. Grows alone or in small groups, occurs from mid-autumn to winter (data for the west coast of North America). Observations of the fungus are officially noted in the southwest of Canada, in northern California, there is information about finds on the Pacific coast in the states of Oregon and Washington, as well as in British Columbia. There are no data on other countries yet, but this does not mean that the Black Amanita cannot grow somewhere else in the world.

Cap: 7-18 cm, convex, with age – broadly convex or flat, sometimes with a central tubercle, in young specimens – sticky. The color is dark brown, in young specimens it is brown to black, lighter with age, the edges brighten more, sometimes clear concentric zones can be distinguished. The surface of the cap is smooth, but sometimes there may be raised white dots on the surface of the cap – these are the remains of the bedspread. The edge of the cap of an adult mushroom is 'ribbed' by about a third.

Plates: Free. Frequent. White, whitish-grayish, darkening to pale brownish or orange with age.

Leg: 10-25 cm long, up to 3 cm thick, even or tapering towards the top, without thickening at the bottom. Can be smooth or slightly pubescent. White, grayish or brownish with age. Without a ring. Volvo is bag-shaped and wide enough, white in color, in adult mushrooms the color of volva is rusty or brown.

Flesh: white, does not change color when cut.

Odor: faint, almost indistinguishable.

Spore powder: white.

Under the microscope: spores 9-149-12 microns, smooth, colorless, spherical or slightly flattened, not starchy. Basidia are four-spore.

amanita pachycolea

Edible: there is no reliable information from Russian-language sources. All floats are considered conditionally edible mushrooms, but they are not often harvested. Inexperienced mushroom pickers are afraid to confuse the float with a fly agaric or a pale toadstool. In addition, the mushroom is quite fragile, which makes it difficult to transport.

Similar species: The closest analogue, widespread in Russia and European countries, is the Gray Float, which is much smaller.

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Hunting, Fishing and Mushrooms: a magazine for hunters and fishers.
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