Large webcap (Cortinarius largus) photo and description

Large webcap (Cortinarius largus)

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Agaricomycetidae (Agaricomycetes)
  • Order: Agaricales (Agaric or Lamellar)
  • Family: Cortinariaceae (Spiderwebs)
  • Genus: Cortinarius (Webcap)
  • Species: Cortinarius largus (Large webcap)

Large webcap (Cortinarius largus)

The large webcap (Cortinarius largus) is a genus of mushrooms from the Spiderweb family (Kortinariyevs). It, like many other varieties of spiderwebs, is also called a swamp.

External description

The cap of the large spider web has a convex-outstretched or convex shape. It is often gray-violet in color.

The flesh of a young fruit body is purple in color, but gradually turns white. She has no characteristic taste and smell. The lamellar hymenophore consists of plates adherent to the tooth, slightly running down the leg. at first, the hymenophore plates are light purple in color, then they become pale brown. The plates are often located, contain in their composition a spore powder of a rusty-brown color.

The leg of a large spider web comes from the central part of the cap, has a white or lavender color, which changes to brown towards the base. The leg is solid, filled inside, has a cylindrical shape and a clavate thickening at the base.

Season and habitat

The large spider web grows mainly in coniferous and deciduous forests, on sandy soils. Very often this type of fungus can be found on forest edges. Widely distributed in many European countries. The best time to collect a large spider web is the first month of autumn, September, in order to preserve the mycelium, the mushroom must be carefully twisted out of the soil during collection, clockwise. To this end, the mushroom grabs the cap, turns 1/3 and immediately tilts down. After that, the fruit body is straightened again and gently lifted up.


Large webcap (Cortinarius largus) is an edible mushroom that can be prepared immediately for consumption, or made from mushrooms for future use (canned, pickled, dried).

Similar types and differences from them

The characteristic external signs do not allow confusing the large webcap with any other type of mushrooms.