A striking white "pom-pom" of long delicate spines that grows from tree wounds and dead wood. Famously delicious — texture and flavor reminiscent of crab or lobster.

§ Quick facts

SizeFruiting body 10–40 cm across; teeth 1–5 cm long
Weight100–2000 g
LifespanFruiting bodies 1–2 weeks; mycelium years
OrderHericiales
FamilyHericiaceae

§ Encyclopedia

Hericium erinaceus, commonly known as lion's mane, yamabushitake, bearded tooth fungus, or bearded hedgehog, is a species of tooth fungus. It tends to grow in a single clump with dangling spines longer than 1 centimetre. It can be mistaken for other Hericium species that grow in the same areas.

Source: Wikipedia — Hericium erinaceus Licensed under CC BY-SA 4.0

§ Identification

Field marks. Distinctive snowy-white cascade of soft spines (looks like a "lion's mane"). No cap or gills.

Similar species. Other Hericium species (similar appearance, different spine arrangement). No toxic look-alikes.

Voice. N/A

§ Diet & behavior

Diet. Saprotrophic — decomposes hardwood (oak, beech, sweetgum).

Behavior. Fruits from wounds and broken branches of living trees and on dead wood. Studied for potential brain-health properties (hericenones, erinacines).

§ Range

Eastern North America and Pacific Northwest

§ Habitat

Decaying hardwood logs and standing dead trees, especially beech and oak

§ Threats

Loss of mature hardwood forests, removal of dead and dying trees, overharvest.

§ Conservation status

According to the IUCN Red List, the lion's mane is currently classified as Least Concern.

§ What helps

Leave dead and dying hardwoods standing where safe. Don't over-collect from single fruitings.

Support our work More ways to help

§ Further reading

§ Sources cited

  • North American Mycological Association
  • Mycological Society of America
  • iNaturalist