Exidia glandular (Exidia glandulosa) photo and description

Exidia glandular (Exidia glandulosa)

  • Department: Basidiomycota (Basidiomycetes)
  • Subdivision: Agaricomycotina (Agaricomycetes)
  • Class: Agaricomycetes (Agaricomycetes)
  • Subclass: Auriculariomycetidae
  • Order: Auriculariales (Auriculariales)
  • Family: Exidia (Exidiaceae)
  • Genus: Exidia (Exidia)
  • Species: Exidia glandulosa (Exidia glandular)
    Other names for the mushroom:
  • Exidia truncated

Synonyms :

  • Exidia truncated
  • Exidia truncata

Exidia glandular -Exidia glandulosa

Exidia glandulosa (Bull.) Fr.


Fruit body : 2-12 cm in diameter, black or dark brown, at first rounded, then shell-shaped, ear-shaped, tuberous, often with a tapering base. The surface is shiny, smooth or finely wrinkled, covered with small dots. Fruit bodies are always separated from each other, never grow together into a solid mass. When dry, they become hard or turn into a black crust covering the substrate.

Flesh : black, gelatinous, elastic.

Spore powder : white.

Spores : 14-19 x 4.5-5.5 microns, sausage-shaped, slightly curved.

Taste : negligible.

Smell : neutral.


The mushroom is inedible, but not poisonous.


It grows on the bark of deciduous trees (oak, beech, hazel). Distributed in places where these species grow. Requires high humidity.

Season and distribution

It appears in the spring in April-May and under favorable conditions can grow until late autumn.

Distribution - Europe, the European part of Russia, the Caucasus, Primorsky Krai.

Similar species

Exidia blackening (Exidia nigricans)

Exidia blackening (Exidia nigricans)

grows not only on broad-leaved species, but also on birch, aspen, willow, alder. Fruit bodies often merge into a common mass. The spores of blackening exsidia are slightly smaller. A much more common and more common species.

Exidia spruce (Exidia pithya) - grows on conifers, fruit bodies are smooth.


Photo: Tatiana.