About this fungus
Lion's Mane is a fungus in the Hericiaceae family. Its habitat and field characteristics are summarised below.
A rounded or cushion-like mass of soft white spines hanging from a single tough attachment on hardwood. A mature fruit body has no ordinary cap or visible stem and resembles a shaggy pompom or a white frozen waterfall.
What to check
Use a mature specimen. Confirm one unbranched mass with most spines longer than 1 cm, hanging from a hidden base attached directly to living or recently dead hardwood. The spines carry the fertile surface, and the spore print is white. Young branched Hericium species can begin as compact lumps, while young Lion's Mane can still have short spines, so neither shape nor spine length is decisive before development is clear.
Variation
Young fruit bodies are compact with short spines. Mature spines are commonly 1 to 4 cm long and may reach about 5 cm in some accounts. Fresh growth is white, becoming cream, yellowish or brownish with age and handling. The top can retain short hairs even when the lower spines are long.
Lookalikes
Hericium americanum and H. coralloides develop distinct branching frameworks with spines hanging from the branches. Creolophus cirrhatus, formerly Hericium cirrhatum, forms thinner overlapping shelves with shorter teeth. Hydnum species also have teeth, but beneath a conventional cap on a ground-growing mushroom. Mature architecture is the most useful separation.
Habitat and range
Both parasitic and saprotrophic on hardwood, fruiting from wounds, cavities, cut surfaces, stumps and recently dead trunks. Oak is important in North American accounts, while beech and oak feature strongly in Britain and other hardwoods occur elsewhere. The species is widespread across Europe, Asia and the Americas, but its abundance and legal status differ greatly by country.
Food safety
Choice edible.
Use this profile to learn what to examine and compare, not as proof that a mushroom is safe to eat. Check the whole specimen and every important lookalike before reaching an identification.
Species to compare
Similar mushrooms to compare against: