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iNat·1697198complexFungi16,043 field observations
  1. Fungi Including Lichens
  2. ›Basidiomycete Fungi
  3. ›Higher Basidiomycetes
  4. ›Mushrooms, Bracket Fungi, Puffballs, and Allies
  5. ›Auriculariales
  6. ›Auriculariaceae
  7. ›Exidia
Exidia glandulosa
Plate 1 of 1. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz · via iNaturalist

Exidia glandulosa

Exidia glandulosa is a species of fungus in the family Auriculariaceae. In the UK, it has the recommended English name of witch's butter. In North America it has variously been called black witches' butter, black jelly roll, or warty jelly fungus. The gelatinous basidiocarp (fruit bodies) are up to 3 cm (1.2 in) wide, shiny, black and blister-like, and grow singly or in clusters.

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4 branches of this group, most-observed first

Black Witches' Butter

speciesExidia glandulosa

Exidia truncata

speciesExidia truncata

Exidia sp. 'PNW01'

speciesExidia sp. 'PNW01'

Exidia zelleri

speciesExidia zelleri

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

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Every page naming Exidia glandulosa in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1697198.