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Photo: Norbert Nagel, CC BY-SA 3.0 (via Wikimedia Commons)

Candlesnuff Fungus

Xylaria hypoxylon

Also known as Candlesnuff Fungus, Carbon Antlers, Stag's Horn Fungus, Snuffout Fungus

At a glance
Family
Xylariaceae
Type
Wood-decay fungus (ascomycete)
Parts used
Not used medicinally or culinarily; observed and identified only
Size
2 to 6 cm tall
Bloom
Fruiting bodies appear late summer through winter, most visible autumn into deep winter
Habitat
Rotting hardwood stumps, fallen logs, and buried roots in damp woodlands
Acquisition
Forage
This plant in HerbSense

Key benefits

Breaks down deadwood naturally
Recycles forest nutrients
Signals healthy old woodland
Easy beginner identification find

Traditional uses

Xylaria hypoxylon has no real place in the herbalist's cabinet. It is a wood-decay fungus, not a medicinal plant, and its true value has always been ecological rather than remedial: it is one of the quiet workhorses that breaks fallen branches and old stumps back down into soil. Foragers and naturalists have long prized it as a teaching mushroom, a small, unmistakable marker of a woodland floor that is doing its slow, patient work of renewal. Old natural history writers were charmed by its odd shape and sooty coloring long before mycology had a name for what it actually does.

How to grow & use it

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Pairs well with
  • Turkey tail
  • Witch's butter
  • Jelly ear
Substitutes
  • Xylaria polymorpha (dead man's fingers), a close relative often mistaken for it
Choose it when

For the quiet thrill of spotting pale, antler-like fingers rising from a rotting log on a cold woodland walk.

Did you know?

Its odd common name comes straight from its looks: young fruiting bodies are covered in a fine white dust of asexual spores, while the base blackens and hardens with age, so the whole thing looks exactly like a candle wick that has just been pinched out, still trailing a wisp of smoke.

Safety

Candlesnuff fungus isn't eaten or used medicinally: it's tough, woody, and unpalatable. As with any wild fungus, don't rely on looks alone, since toxic lookalikes exist in the woods.