20 Types Of Shelf Mushrooms [Toxic, Edible & Medicinal]

Shelf mushrooms—also known as bracket fungi—are a fascinating group of fungi that grow horizontally from trees, logs, and stumps like shelves attached to wood. Most belong to a larger group called polypores, which are characterized by having tiny pores on the underside instead of gills. These pores release spores and are one of the main identification features.

Polypores play a crucial ecological role as wood decomposers, breaking down dead or dying trees and recycling nutrients back into forest ecosystems. They are commonly found in forests, woodlands, parks, and even urban areas where trees are present.

Shelf Mushrooms, Brown Shelf Mushrooms & Polypores

Brown Shelf Mushrooms

Brown shelf mushrooms are a subset of bracket fungi that typically have brown, reddish-brown, or tan caps. Many are tough and woody, often forming thick, hoof-shaped or layered growths. Examples include:

• Red-belted Polypore
• Artist’s Conk
• Oak Bracket
• Dyer’s Polypore

Many brown shelf mushrooms cause brown rot, a type of wood decay that leaves wood dry, cracked, and crumbly. Others cause white rot, breaking down lignin and leaving fibrous white wood.

While most brown shelf mushrooms are too tough to eat, several are valued for medicinal uses (such as Reishi relatives) or traditional applications like dye-making and fire-starting.

Polypores in General

Polypores include both colorful species like Turkey Tail and edible species such as Chicken of the Woods. They vary in texture from soft and fleshy (when young) to extremely hard and woody.

They can be classified into three broad use categories:

• Edible (when young) – e.g., Chicken of the Woods
• Medicinal – e.g., Turkey Tail, Reishi
• Inedible but ecologically important – e.g., Red-belted Polypore

Polypores are typically long-lived and may grow for several seasons, adding new layers annually.

🍽 Edible (When Young & Tender)

• Chicken of the Woods
• Dryad’s Saddle
• Giant Polypore
• Black-staining Polypore
• Resinous Polypore

🌿 Medicinal (Tea / Extract Use)

• Turkey Tail
• Reishi
• Hemlock Varnish Shelf
• Artist’s Conk
• Birch Polypore
• Tinder Conk

🚫 Inedible (Too Tough / No Culinary Use)

• False Turkey Tail
• Mossy Maze Polypore
• Violet-toothed Polypore
• Lumpy Bracket
• Hairy Curtain Crust
• White Cheese Polypore

1. Chicken of the Woods (Laetiporus sulphureus)

Specs

• Cap width: 5–25 inches (can form clusters over 50 lbs)
• Color: Bright orange top with yellow edges
• Pores: Yellow underside (no gills)
• Texture: Soft and spongy when young

Identification

Chicken of the Woods is one of the easiest shelf mushrooms to identify due to its bright orange and yellow coloration. It grows in large overlapping shelves on hardwood trees, especially oak. Unlike gilled mushrooms, it has tiny pores underneath. It should feel moist and tender when harvested young.

Habitat

• Grows on oak and other hardwoods
• Summer to fall
• Causes brown rot in trees

Facts

Its texture resembles cooked chicken, which gives it its name. Some people may experience mild digestive upset if undercooked.

Uses

• Popular edible wild mushroom
• Used in stir-fries, soups, tacos
• Contains antioxidants and antimicrobial compounds

2. Turkey Tail (Trametes versicolor)

Specs

• Cap width: 1–4 inches
• Thin, leathery texture
• Multicolored concentric bands
• White porous underside

Identification

Turkey Tail resembles the fan-shaped tail feathers of a wild turkey. It has velvety concentric rings in brown, gray, blue, orange, and white tones. The underside contains tiny white pores.

Habitat

• Found on dead hardwood logs
• Year-round in moist forests
• Extremely common

Facts

One of the most researched medicinal mushrooms globally.

Uses

• Immune support supplements
• Used in cancer-support therapy in Asia
• Made into tea or powdered extract
• Strong antioxidant properties

3. Reishi / Lingzhi (Ganoderma lucidum)

Specs

• Cap width: 2–8 inches
• Shiny, varnished red surface
• Woody texture
• White to brown pores underneath

Identification

Reishi has a glossy, lacquered appearance with a reddish-brown cap and white edge when actively growing. It is very hard and woody.

Habitat

• Grows on hardwood stumps
• Summer to fall
• Found in warmer southern regions

Facts

Known as the “Mushroom of Immortality” in Traditional Chinese Medicine.

Uses

• Immune modulation
• Anti-inflammatory properties
• Stress support
• Used in tinctures and teas (not eaten as food due to toughness)

4. Artist’s Conk (Ganoderma applanatum)

Specs

• Cap width: 4–24 inches
• Gray-brown top
• White pore surface that bruises brown
• Thick and woody

Identification

This large perennial shelf grows in hoof-like shapes. The underside is bright white and can be scratched to create drawings — hence the name.

Habitat

• Grows on hardwood trees
• Causes white rot
• Found year-round

Facts

Can live for many years, adding growth layers annually.

Uses

• Medicinal extracts (immune support)
• Used historically for fire-starting
• Artistic carving surface

5. Dryad’s Saddle (Cerioporus squamosus)

Specs

• Cap width: 4–12 inches
• Cream background with brown scales
• Cucumber-like smell
• Thick central stem

Identification

Also called “Pheasant Back,” this mushroom has brown feathery scales on a pale cap. The underside has large angular pores.

Habitat

• Grows on elm and hardwoods
• Spring to early summer

Facts

Smells like fresh watermelon rind or cucumber when cut.

Uses

• Edible when young and tender
• Sliced thin and sautéed
• Becomes tough with age

Great 👍 Here are the next 5 shelf mushrooms, each explained in 200–300 words with specs, identification, facts, and uses.

6. Black-staining Polypore (Meripilus sumstinei)

Specs

• Cap clusters can reach 2–3 feet wide
• Individual caps: 2–10 inches across
• Color: Pale tan to brown
• Pores: White, bruising black
• Texture: Soft when young, tough with age

Identification

Black-staining Polypore grows in massive rosette clusters at the base of hardwood trees, especially oak. The key identifying feature is that the white pore surface and flesh turn black when bruised or cut. Caps are fan-shaped with wavy edges.

Habitat

• Found at the base of hardwood trees
• Late summer to fall
• Causes white root rot

Facts

This mushroom often fruits from buried roots and may indicate tree decline.

Uses

• Edible only when very young and tender
• Used in stir-fries or sliced thin
• Turns black when cooked
• Also valued for natural dye production

7. Giant Polypore (Meripilus giganteus)

Specs

• Massive clusters up to 3 feet wide
• Caps: 4–12 inches each
• Cream to brown caps
• Pores: White, darkening with age

Identification

Very similar to Black-staining Polypore but typically lighter in color. Grows in large overlapping clusters near the base of trees. Flesh darkens slowly when handled.

Habitat

• Found on hardwoods, especially beech
• Late summer to autumn
• Causes white rot

Facts

One of the largest polypores in Europe and North America.

Uses

• Edible when young
• Must be harvested early
• Used in mushroom stocks
• Also produces brown natural dye

8. Resinous Polypore (Ischnoderma resinosum)

Specs

• Cap width: 4–10 inches
• Color: Reddish-brown
• Pores: White
• Texture: Soft and juicy when young

Identification

Resinous Polypore has a rich reddish-brown surface with thick, rounded edges. When young, it exudes amber-colored droplets (“resinous” appearance). The flesh is soft and meaty at first.

Habitat

• Grows on hardwood logs and stumps
• Late summer to fall

Facts

Often confused with young Ganoderma species but lacks the shiny varnished surface.

Uses

• Edible when young
• Mild flavor, good sautéed
• Used in soups and broths
• Toughens quickly with age

9. Birch Polypore (Fomitopsis betulina)

Specs

• Cap width: 2–8 inches
• Color: Pale tan to gray
• Shape: Hoof-like
• Texture: Smooth, firm

Identification

Exclusively grows on birch trees. The smooth rounded cap and thick white interior help identify it. Unlike many shelf fungi, it does not have a varnished surface.

Habitat

• Found on dead or dying birch trees
• Year-round

Facts

Ötzi the Iceman (over 5,000 years old) carried this fungus, likely for medicinal use.

Uses

• Antimicrobial and anti-inflammatory properties
• Used as tea
• Historically used as a razor strop and wound dressing

10. Tinder Conk (Fomes fomentarius)

Specs

• Cap width: 4–16 inches
• Hoof-shaped
• Gray to brown
• Very hard and woody

Identification

Tinder Conk is thick and perennial, forming layered growth rings. The underside is pale and smooth with small pores. It grows primarily on birch and beech.

Habitat

• Found on dead hardwoods
• Common in northern forests

Facts

Historically used as tinder for starting fires — hence the name.

Uses

• Fire-starting material
• Used to make amadou (a felt-like material)
• Medicinal teas (antimicrobial)
• Not edible due to extreme toughness

11. Hemlock Varnish Shelf (Ganoderma tsugae)

Specs

• Cap width: 2–10 inches
• Color: Red to reddish-brown with white growing edge
• Surface: Shiny, lacquered (“varnished”)
• Texture: Hard and woody

Identification

Hemlock Varnish Shelf closely resembles Reishi but grows specifically on hemlock and other conifers. It has a glossy red surface with a white margin when actively growing. The underside contains small white pores that turn brown when bruised.

Habitat

• Found on hemlock logs and stumps
• Spring through fall
• Eastern North America

Facts

It is the North American counterpart to Asian Reishi.

Uses

• Medicinal extracts and teas
• Immune support
• Anti-inflammatory properties
• Not eaten as food due to woody texture

12. Dyer’s Polypore (Phaeolus schweinitzii)

Specs

• Cap width: 4–12 inches
• Velvety texture
• Yellow, orange, and brown coloration
• Soft when young

Identification

Dyer’s Polypore has a fuzzy, suede-like surface with striking yellow and brown tones. It often grows at the base of conifers. The underside has pores instead of gills.

Habitat

• Found near pine and other conifers
• Late summer to fall

Facts

Also called “Velvet-top Fungus.” Causes brown cubical rot in trees.

Uses

• Not edible
• Used extensively for natural dye (yields yellow, gold, green shades)
• Occasionally used in medicinal research

13. Oak Bracket (Pseudoinonotus dryadeus)

Specs

• Large, lumpy shelf
• 6–20 inches wide
• Yellow-brown surface
• Thick white pore layer

Identification

Oak Bracket appears as a large, cushion-like growth at the base of oak trees. It often produces amber-colored droplets when fresh.

Habitat

• Grows at base of oak trees
• Late summer to fall
• Causes white rot

Facts

Often indicates serious internal decay in the host tree.

Uses

• Not edible
• Limited traditional medicinal use
• Important ecological decomposer

14. False Turkey Tail (Stereum ostrea)

Specs

• Thin, leathery
• 1–3 inches wide
• Multicolored concentric zones
• Smooth underside (no pores)

Identification

Looks similar to Turkey Tail but lacks pores underneath. Instead, the underside is smooth. Colors range from orange to brown.

Habitat

• Found on hardwood logs
• Year-round

Facts

Commonly confused with true Turkey Tail.

Uses

• Not edible
• No significant medicinal use
• Important decomposer species

15. Mossy Maze Polypore (Cerrena unicolor)

Specs

• Thin bracket
• 1–4 inches wide
• Grayish to brown
• Maze-like pore pattern

Identification

The underside has elongated, maze-like pores instead of round ones. Surface may appear mossy or slightly fuzzy.

Habitat

• On dead hardwood logs
• Summer to fall

Facts

Important in wood decomposition.

Uses

• Not edible
• Studied for enzyme production in biotechnology

16. Violet-toothed Polypore (Trichaptum biforme)

Specs

• Thin shelf
• Purple/violet pore surface
• Hairy upper surface

Identification

The underside starts purple and fades with age. The edges often remain violet.

Habitat

• On hardwood logs
• Year-round

Facts

Color is most vibrant when young.

Uses

• Not edible
• Studied for wood-decay enzymes

17. Lumpy Bracket (Trametes gibbosa)

Specs

• Thick, lumpy appearance
• 2–8 inches wide
• White to cream
• Elongated pores

Identification

Has a bumpy, uneven cap surface. The underside pores are long and slit-like.

Habitat

• Found on hardwoods
• Spring through fall

Facts

Perennial, can live several seasons.

Uses

• Not edible
• Ecologically important decomposer

18. Red-belted Polypore (Fomitopsis pinicola)

Specs

• Hoof-shaped
• 4–10 inches wide
• Distinct red/orange band
• Hard and woody

Identification

Easily identified by its red or orange “belt” near the edge. Surface is smooth and lacquered-looking but not as shiny as Ganoderma.

Habitat

• On conifers and hardwoods
• Year-round

Facts

Perennial and long-lived.

Uses

• Not edible
• Used in medicinal extracts
• Traditionally used as tinder

19. Hairy Curtain Crust (Stereum hirsutum)

Specs

• Thin, fan-shaped
• Yellow to orange
• Hairy surface
• Smooth underside

Identification

Bright yellow-orange coloration with fuzzy top surface. Lacks pores underneath.

Habitat

• On hardwood logs
• Very common

Facts

Sometimes mistaken for small Turkey Tail.

Uses

• Not edible
• Important decomposer

20. White Cheese Polypore (Tyromyces chioneus)

Specs

• Soft and white
• 2–6 inches wide
• Thick, moist flesh

Identification

Bright white and soft when young. Becomes chalky and crumbly with age.

Habitat

• Found on hardwood logs
• Summer to fall

Facts

Named for its cheese-like texture.

Uses

• Not edible
• Limited medicinal research
• Ecologically important decomposer

🤍 White Shelf Mushrooms

(Usually Cause White Rot)

🔬 What is White Rot?

White rot fungi break down lignin and cellulose, leaving wood pale, fibrous, and stringy.

🔎 General Characteristics

• White, cream, or pale gray caps
• Often soft or leathery when young
• Underside usually white pores
• Wood becomes spongy or fibrous

🌿 Common White Shelf Genera

• Trametes (Turkey Tail, Lumpy Bracket)
• Ganoderma (Artist’s Conk, Reishi relatives)
• Tyromyces (White Cheese Polypore)
• Cerrena (Mossy Maze Polypore)
• Trichaptum (Violet-toothed Polypore)

🍄 Examples

• Turkey Tail (Trametes versicolor)
• Artist’s Conk (Ganoderma applanatum)
• White Cheese Polypore (Tyromyces chioneus)
• Mossy Maze Polypore (Cerrena unicolor)

🌱 Ecological Role

White rot fungi are extremely important in nutrient cycling because few organisms can break down lignin.

🤎 Brown Shelf Mushrooms

(Usually Cause Brown Rot)

🔬 What is Brown Rot?

Brown rot fungi break down cellulose, leaving lignin behind. The wood becomes brown, dry, cracked, and crumbly (cubical rot).

🔎 General Characteristics

• Brown, reddish-brown, or tan caps
• Often thick and woody
• May have colored bands (red/orange edges)
• Wood becomes brittle and cube-like

🌿 Common Brown Shelf Genera

• Fomitopsis (Red-belted Polypore, Birch Polypore)
• Fomes (Tinder Conk)
• Phaeolus (Dyer’s Polypore)
• Laetiporus (Chicken of the Woods – technically brown rot)

🍄 Examples

• Red-belted Polypore (Fomitopsis pinicola)
• Birch Polypore (Fomitopsis betulina)
• Tinder Conk (Fomes fomentarius)
• Dyer’s Polypore (Phaeolus schweinitzii)
• Chicken of the Woods (Laetiporus sulphureus)

🌱 Ecological Role

Brown rot fungi are major decomposers in conifer forests and play a key role in carbon cycling.

🍄 White Shelf Mushrooms vs Brown Shelf Mushrooms

🌲 Conclusion

Shelf mushrooms and polypores are more than just tree-growing fungi—they are essential recyclers in forest ecosystems. By breaking down wood, they return nutrients to the soil, support insect life, and create habitat for other organisms.

Brown shelf mushrooms, while often tough and inedible, are among the most durable and long-lived fungi. Many have historical significance in traditional medicine, natural dye production, and survival uses such as tinder.

Understanding the differences between edible, medicinal, and inedible polypores helps foragers and nature enthusiasts safely appreciate these fungi. Whether admired for their ecological role, culinary potential, or medicinal value, shelf mushrooms represent one of the most visible and important fungal groups in forests worldwide.

Taniya

94% of pet owners say their animal pal makes them smile more than once a day. In 2007, I realized that I was made for saving Animals. My father is a Vet, and I think every pet deserves one. I started this blog, “InPetCare”, in 2019 with my father to enlighten a wider audience.