Species details

Black witch's butter

Exidia glandulosa

Inedible
Black witch's butter – Exidia glandulosa

Photo: Alyssa Millington · CC BY 4.0 · Photo source · License

Description

A black gelatinous wood fungus with a wrinkled, finely granular upper surface and toothed margin.

Identification features

Fruitbodies are black, gelatinous, separate to confluent, often conical or irregular. The upper surface is wrinkled and finely granular; the underside is darker and somewhat floccose.

Identification checklist

Check the black gelatinous texture, wrinkled finely granular fertile surface and clearly delimited toothed margin.

How to separate similar species

Bulgaria inquinans has a smoother, glossier cup-like surface and may strongly stain fingers.

Habitat

Grows on dead hardwood, especially oak and hazel, mainly during cool wet periods.

Fruiting period

October, November, December, January, February, March, April

Similar species

Extended-description sources