Row colossus (Tricholoma colossus) photo and description

Colossus row (Tricholoma colossus)

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Agaricales (Agaric or Lamellar)
  • Family: Tricholomataceae (Tricholomaceae or Ordinary)
  • Genus: Tricholoma (Tricholoma or Ryadovka)
  • Species: Tricholoma colossus (Row-colossus)
    Other names for the mushroom:

  • Row gigantic
  • The row is huge
  • The row is giant
  • Row-giant

Other names:

  • Row colossus;
  • Row-giant;
  • The row is huge;
  • The row is gigant.

Colossus row (Tricholoma colossus)

The Colossus Ryadovka (Tricholoma colossus) (translated from the Latin "terra" means "earth") is an edible mushroom from the Tricholomov family, belonging to the Ryadovok genus.

External description

The fruiting body of the described fungus is capped, has a rather large size. Initially, the shape of the cap in the giant row is semicircular, has turned up edges, but gradually it becomes flat-convex and even outstretched. The edges of the cap in mature mushrooms become raised, wavy.

The diameter of the gigantic ryadovka cap varies between 8-20 cm, and thin fibers are visible on its surface. To the touch, the cap of the described mushroom is smooth, and in color, it is reddish-brown, reddish or brown. At the edges, the shades of the mushroom cap are slightly lighter than in the middle.

The leg of the giant ryadovka is very large, massive, dense, characterized by a cylindrical shape. Its length varies within 5-10 cm, and its thickness can be 2-6 cm. The shape of the leg is mostly cylindrical. At the base, the leg thickens, becoming tuberous. The color of the leg at the bottom, just below the ring, is the same as that of the cap, or a little lighter. The upper part of the leg, right under the cap, is often whitish, and in the center its color can be reddish-brown or yellowish.

The hymenophore of the described fungus is lamellar. The plates in it are very wide, often located, in young fruiting bodies they are creamy (sometimes pale pink). In ripe mushrooms, the hymenophore plates darken, becoming reddish-brown.

The mushroom pulp is characterized by its white color, compactness and high density. On the cut, the main color of the flesh can change to yellowish or reddish. The smell of the pulp is pleasant, and the taste is bitter, similar to the taste of an unripe walnut.

The surface of fungal spores is smooth, and they themselves are pear-shaped or oval in shape, without color. Their size is 8-10 * 5-6 microns. These particles are part of the white spore powder.

Colossus row (Tricholoma colossus)

Season and habitat of the fungus

The colossus ryadovka (Tricholoma colossus) belongs to the rare species of fungi, which nevertheless have a significant and wide habitat. Within its limits, a gigantic ryadovka is found in populations of small numbers. On the territory of Russia, the mushroom is widespread in the Leningrad and Kirov regions, as well as in the Krasnoyarsk Territory. You can find the described type of mushroom in some countries of the European continent, in Japan and North Africa.

Giant ryadovka forms mycorrhiza with pine, begins to bear fruit in August and yields a harvest until the end of September. The fungus prefers to live mainly in pine forests. You can meet the giant ryadovka in mixed forests, in the mountainous part of the Crimean peninsula.


Colossus row (Tricholoma colossus) is an edible mushroom, however, due to the rarity of the species, it is not recommended to collect such rows. In addition, in some regions of Russia and Europe, this mushroom is considered rare, and is listed in the Red Book.

Other information about the mushroom

The ryadovka-colossus is not cultivated by people, and in some regions of Russia (St. Petersburg, Kirov region, Leningrad region) the mushroom is listed in the Red Book of Nature.