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Black Witch's Butter (Exidia glandulosa)

Where does Black Witch's Butter grow?

Exidia glandulosa

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Black Witch's Butter grows in specific habitats. Knowing where to look and when is the difference between an empty basket and a successful forage.

Where to find Black Witch's Butter

Deciduous Forests

Commonly found in deciduous woodlands across temperate regions of the Northern Hemisphere, particularly where oak and beech trees are prevalent.

Fallen Logs and Branches

Look for it growing on dead, decaying hardwood logs, branches, and stumps, often on the underside or sides of the wood.

Foraging tips

  1. Moisture is Key. This fungus is most prominent and easily identifiable after rain or during periods of high humidity, when its gelatinous texture is fully hydrated. In dry conditions, it can shrink to an inconspicuous black crust.
  2. Check Hardwoods. Focus your search on dead wood from deciduous trees, especially oak and beech. It rarely grows on conifers.
  3. Look for Clusters. Exidia glandulosa often grows in gregarious clusters or spreading patches, sometimes covering significant areas of a log.

Quick Check

Substrate:
Dead deciduous wood (saprobic)
Fruiting:
Year-round, especially after rain
Odor:
Indistinct or earthy

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