Maitake
Maitake is an edible polypore mushroom, Grifola frondosa, that grows in layered clusters near the base of hardwood trees. Also called hen of the woods, it has branching stems and many small, fan-shaped caps. People value it as a culinary mushroom, while research into possible health effects remains preliminary.
- Species
- Grifola frondosa
- Type
- Edible polypore
- Habitat
- Hardwood tree bases
- Cap color
- Grayish brown
- Spore print
- White
What is a maitake mushroom?
Maitake is the common Japanese name for Grifola frondosa, a polypore fungus in the family Grifolaceae. Its other familiar name, hen of the woods, refers to the layered cluster, which can look like a ruffled hen. Rather than having the familiar gills found beneath a button mushroom, maitake has tiny pores on the underside of its caps. It is a distinct species, not a general name for every mushroom that grows on wood.
A maitake cluster is made up of many overlapping, fan-shaped caps, usually gray to brown, attached to branching, pale stems. The caps have wavy edges, and the whole cluster can grow quite large. Its spores are white. The mushroom is native to parts of Asia, Europe, and North America, and is especially associated with mature hardwoods such as oak and maple. Its scientific name is written as Grifola frondosa.
- 1Hidden growth
The fungus persists in wood and soil near a hardwood tree.
- 2Suitable conditions
Seasonal conditions allow the fungus to produce a visible fruiting body.
- 3Cluster develops
Branching stems form a layered group of small caps.
- 4Pores release spores
Microscopic spores emerge from pores beneath the caps.
- 5Spores spread
Air currents carry spores away from the fruiting body.
How does maitake grow?
Maitake grows from a persistent underground structure called a sclerotium, which stores resources in the soil or near a tree’s roots. When conditions are suitable, the fungus produces a visible cluster, called a fruiting body. That cluster is the part people recognize as the mushroom; much of the fungus itself remains out of sight in and around the wood and soil.
The fungus is associated with the roots and lower trunk of hardwood trees, where it can act as a parasite and contribute to decay. A cluster may appear near the same tree in successive years, although a familiar location does not guarantee a new crop. On the cap undersides, microscopic pores release spores that can spread through the air. If spores land in a suitable place and develop, the fungus can establish new growth.
Maitake has pores beneath its caps, not gills.
Clusters commonly emerge at or near hardwood bases.
Research is preliminary; medical benefits are not established.
Editorial placement to help compare; not a measurement.
Where do people encounter hen of the woods?
In the wild, maitake is most often found at the base of hardwood trees, particularly oak, in parts of eastern North America, Europe, and Asia. It tends to fruit in the fall in many parts of its range, but timing varies with local weather and climate. People may also encounter it at farmers markets, grocery stores, and restaurants, where it is sold as a specialty edible mushroom.
Maitake has a long culinary history in East Asia and is used in a range of dishes. Its caps are prized for their savory flavor and layered texture. Fresh mushrooms, dried products, and supplements are not interchangeable: supplements can differ in the parts of the mushroom used, their processing, and their ingredients. Claims about wellness benefits are common in supplement marketing, but they should not be confused with established medical effects.
| Maitake | Chicken of the woods | Black-staining polypore | |
|---|---|---|---|
| Scientific name | Grifola frondosa | Laetiporus sulphureus | Meripilus sumstinei |
| Underside | Small pores | Small pores | Small pores |
| Typical color | Gray to brown | Yellow to orange | Brownish |
| Useful clue | Layered branching cluster | Bright shelf-like brackets | Bruised areas darken |
| Common habitat | Hardwood tree bases | Wood or tree trunks | Near hardwood trees |
Is maitake safe, and what is often confused with it?
Maitake is considered an edible mushroom, but some people may have an allergic reaction. Wild mushrooms can be difficult to identify, and a lookalike may be unsafe to eat. Never eat a wild mushroom without expert identification. Even when a mushroom resembles a photo or description, details such as its structure, habitat, and underside need to be checked by someone qualified.
Several other fungi can resemble maitake at a glance. The black-staining polypore, Meripilus sumstinei, is a notable lookalike and may darken where bruised or handled. Other large, clustered mushrooms can also cause confusion. Maitake has pores, not gills, but that feature alone does not confirm an identification. Foraging guides and apps can support learning, yet they are not a substitute for an experienced local identifier.
- 1785
The species was described under the name Boletus frondosus.
- 1821
The name Grifola frondosa was published by Samuel Frederick Gray.
- 2009
A phase I/II study examined immune effects of a maitake polysaccharide extract in breast cancer patients.
How does maitake connect to other mushroom topics?
Maitake is a useful example of a polypore: a mushroom with pores beneath its cap instead of gills. Its visible cluster is a fruiting body, while the main fungal network is hidden in its surroundings. Learning these terms makes it easier to compare maitake with other fungi and understand why mushroom shape, spore-bearing surfaces, and habitat are all useful clues—but no single clue is enough for safe identification.
Research has examined maitake extracts, including their polysaccharides, for possible biological effects. Early studies, including a small phase I/II study in people with breast cancer, explored immune measures; they do not establish that maitake treats or prevents disease. High-quality clinical evidence supporting medicinal use is lacking. Maitake is best understood as a valued food and an active topic of research, not as a proven treatment or a replacement for medical care.
Common questions about Maitake
What does maitake taste like?
Maitake is valued for a savory, earthy flavor and a layered, substantial texture. Flavor and texture can vary with freshness and the part of the cluster. It is used in East Asian cooking and appears in many other dishes as a specialty edible mushroom.
Is maitake the same as hen of the woods?
Yes. Maitake and hen of the woods are common names for the same species, Grifola frondosa. Sheep’s head and ram’s head are other names used in some places. The name maitake comes from Japanese, where it is commonly translated as “dancing mushroom.”
Where does maitake grow?
Wild maitake grows near the base of hardwood trees, especially oaks. It is native to parts of Asia, Europe, and North America, and often appears in fall. Its presence can vary from year to year, so a known site may not produce a cluster every season.
Does maitake have proven medicinal benefits?
No medicinal benefit has been established by high-quality clinical evidence. Researchers have studied maitake extracts and their biological effects, but early findings do not show that the mushroom treats or prevents disease. Food mushrooms and supplements can also differ in composition, so supplement claims warrant care.
Related terms
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Sources and further reading
Written by the Pscilly editorial team and reviewed November 2026. Educational content only, not medical or legal advice. Pscilly does not sell psilocybin. Never eat a wild mushroom without expert identification.