Fungi encyclopedia
A reference for the fungi you actually find
Each entry describes one species the way you meet it in the field — the cap and its surface, what sits underneath, the stipe and its base, the spore print colour, the substrate it fruits from, and the species most often confused with it.
Matsutake
Gilled
A dense, heavy, white-fleshed woodland mushroom overlaid with cinnamon-brown fibrous scales, carrying a thick flaring ring and a strongly aromatic odour, fruiting in arcs beneath pine.
Spore print · White
Mauve Parachute
Gilled
A jewel-like tropical parachute with a deeply pleated purple-red cap, pale distant gills and a shining black hair of a stem, scattered on fallen twigs and leaves.
Spore print · White
Meadow Coral
Corals & Clubs
A yellow to apricot grassland coral whose slender branches fork repeatedly into blunt antler tips above a distinctly white, downy base. Common in mossy, unimproved turf.
Spore print · White
Meadow Mushroom
Gilled
The classic white grassland Agaricus, with free gills that shift from bright pink to chocolate-brown, a simple fragile ring and a dark brown spore print. It appears in troops and rings on old pasture after rain.
Spore print · Dark chocolate-brown
Meadow Puffball
Puffballs
A small flat-topped white puffball of short turf, distinguished by a membranous internal diaphragm that separates the spore mass from the sterile base. Mature bodies open by a wide ragged mouth.
Spore print · Olive-brown spore mass
Meadow Waxcap
Gilled
A robust apricot-buff waxcap with a dry, matt cap, thick pale decurrent gills running well down the stem, and a stout stipe tapering to the base.
Spore print · White
Methuselah's Beard Lichen
Other Fungi
The longest lichen in the world, hanging in pale greenish ropes several metres long with short perpendicular side branches like a bottlebrush.
Spore print · Not applicable
Mica Cap
Gilled
A small tawny-honey inkcap with a deeply grooved cap sparkling with mica-like granules when fresh, fruiting in dense clusters at the base of hardwood stumps.
Spore print · Dark brown to blackish
Midden Inkcap
Gilled
A miniature counterpart of the Shaggy Inkcap that lives on manure heaps, with a white scaly cylindrical cap, a slender ringed stem and the same rapid melt into black ink.
Spore print · Black
Mild Milkcap
Gilled
A small, abundant reddish-brown milkcap of beech litter with a dry unzoned cap, crowded pale gills and copious white latex that dries whey-like on the gills. It often fruits in large troops beneath mature beech.
Spore print · Cream to pale buff
Milk-white Brittlegill
Gilled
A large, chalk-white funnel-shaped brittlegill that pushes up through the soil, often emerging still crusted with earth and litter. Its decurrent, widely spaced gills are unusual for the genus.
Spore print · White to pale cream
Milk-white Toothed Polypore
Toothed
A white resupinate fungus whose surface breaks from angular pores into flattened jagged teeth, usually with narrow hairy-topped caps along the margin.
Spore print · White
Milking Bonnet
Gilled
A small grey-brown bonnet of woodland litter whose slender stem releases a white milky drop when snapped. Blackish and pure white colour forms occur alongside the typical grey.
Spore print · White
Milky Conecap
Gilled
An extremely fragile white to cream conical mushroom of lawns and short grass that appears overnight and collapses within hours, betrayed by its rusty cinnamon spore print.
Spore print · Rusty cinnamon-brown
Milky Mushroom
Gilled
A stout, entirely milk-white tropical mushroom with a thick fleshy cap, crowded white gills and a solid club-shaped stipe. It fruits from casing soil over composting straw in hot, humid conditions.
Spore print · White
Moose Antlers
Cups & Discs
Clusters of tall, ear- or antler-shaped rubbery blades rising from a hard underground mass in rich eastern North American hardwood forest.
Spore print · Brownish
Mosaic Puffball
Puffballs
A stout grassland puffball whose white surface cracks into a mosaic of polygonal scales, later collapsing to leave a persistent bowl-shaped base. It is typical of upland pasture, heath and dunes.
Spore print · Olive-brown spore mass
Mossy Maple Polypore
Polypores
A small perennial bracket that grows in overlapping clusters from wounds on living maples, instantly recognised by the carpet of green moss and algae that covers its cap and its very fine white pores.
Spore print · White
Mossy Maze Polypore
Polypores
A thin, tough shelf fungus with a coarsely hairy grey-white cap that is usually stained green by algae, and a distinctive greyish maze-like pore surface that breaks up into blunt teeth with age.
Spore print · White
Mottled Bolete
Boletes
A birch scaber stalk recognised by its patchily mottled grey-brown cap and by flesh that flushes pink in the stem and stains vivid blue-green at the base.
Spore print · Snuff-brown
Mountain Blond Morel
Morels & Allies
A western mountain morel shaped like a black morel but coloured like a blond one: its ridges stay pale cream and never blacken, contrasting with greyish to tan pits. It fruits in conifer forest as the snow retreats.
Spore print · Cream to pale yellow
Mousepee Pinkgill
Gilled
A small grassland pinkgill with an olive-brown cap and a startling blue-green stipe that bruises deeper green, plus a pungent mouse-like smell.
Spore print · Pink
Mower's Mushroom
Gilled
A very common small brown lawn mushroom whose hygrophanous cap dries in distinct pale bands, with mottled brown gills and dark purplish-brown spores.
Spore print · Dark purplish brown
Mustard Yellow Polypore
Polypores
A thin tiered bracket of dead hardwood whose bright mustard-yellow velvety top contrasts sharply with a dark purplish to grey-brown pore surface of very fine pores.
Spore print · White
Mycena chlorophos
Gilled
A minute, translucent grey bonnet of humid Asian and Pacific forests, famous for the pale green light its gills and cap emit after dark.
Spore print · White
Nameko
Gilled
A small amber-brown East Asian Pholiota famous for the thick clear gelatinous layer coating its cap, growing in clusters on dead hardwood and widely grown on inoculated logs.
Spore print · Rusty brown
Netted Crust
Crusts
A soft, whitish-cream crust whose fertile surface is a shallow net of low wrinkles, with free cottony margins that peel away into small flaps.
Spore print · White
Netted Fieldcap
Gilled
A delicate wood-inhabiting fieldcap with a slimy greyish-lilac cap embossed with a network of raised veins, and rusty-brown gills on a fragile white stipe.
Spore print · Rusty brown
Netted Stinkhorn
Stinkhorns
A stout North American stinkhorn that hangs a short, coarse white net from beneath its pitted head. The veil reaches only partway down the thick spongy stalk.
Spore print · Olive-brown (spores in the slimy gleba)
Nitrous Waxcap
Gilled
A drab grey-brown waxcap identified less by colour than by its sharp nitrous, bleach-like smell and fibrous, matt cap.
Spore print · White
Northern Milkcap
Gilled
A large, greasy grey-violet milkcap of northern birch and spruce forests, with white latex that dries greyish or greenish on the pale gills. It is one of the most abundant Lactarius species in Fennoscandia and the boreal belt.
Spore print · Pale cream to pale yellow
Northern Tooth
Toothed
A massive tiered fungus that forms overlapping cream-coloured shelves high on living maple trunks, recognised by the crowded pendant spines that hang beneath each bracket instead of pores.
Spore print · White
Oak Crust
Crusts
A thin lilac-grey waxy crust on dead oak twigs that curls away from the bark as it dries, exposing a dark brown to black under-surface.
Spore print · White
Oak Curtain Crust
Crusts
Thin, dark rust-brown tiers with wavy edges draped along oak stumps, with a velvety, smooth fertile surface and no pores.
Spore print · White
Oak Leaf Blister
Other Fungi
A Taphrina sac fungus that raises pale, circular, dome-shaped blisters across oak leaves. The bulges are convex above and correspondingly hollowed on the underside.
Spore print · Not applicable
Oak Mazegill
Polypores
A thick, corky, dull-coloured bracket on oak whose underside is carved into a deep labyrinth of thick-walled winding channels.
Spore print · White
Oakbug Milkcap
Gilled
An abundant oak-associated milkcap with a dull cinnamon-brown, faintly banded cap and a heavy oily odour. Its creamy white latex does not change colour but dries brownish on the gills.
Spore print · Pale cream with pinkish tint
Oakmoss
Other Fungi
A soft, antler-branched lichen with flattened straps that are greenish above and chalky white beneath, forming tufts on oak and other deciduous bark.
Spore print · Not applicable
Ochre Bracket
Polypores
A close relative of Turkey Tail that is thicker and stiffer, banded in warm ochre, tan and rust tones with a cushion-like swelling at the attachment.
Spore print · White
Ochre Brittlegill
Gilled
One of the most abundant woodland brittlegills, with a plain dull ochre-yellow cap, pale cream gills and a white stipe that greys distinctly with age and wet weather.
Spore print · Pale cream
Ochre Spreading Tooth
Toothed
A spreading crust whose surface is packed with short salmon to ochre spines, often with a narrow, white-hairy shelf turned out along the upper edge. It grows on dead broadleaf branches and logs throughout temperate woodland.
Spore print · White
Old Man of the Woods
Boletes
An unmistakable bolete covered in coarse, shaggy, blackish-grey pyramidal scales, with a woolly stipe and white flesh that turns red and then black when cut. Its spore print is nearly black.
Spore print · Blackish-brown to black
Olive Shaggy Parasol
Gilled
The woodland member of the shaggy parasol group, its cap a muted olive-grey to greyish-brown with felty scales that barely stand out against the background.
Spore print · White
Onion-stalk Parasol
Gilled
A soft white parasol with a mealy, pleated cap and a stem that swells into an onion-shaped bulb before tapering to a point. It fruits in crowded clusters on wood chips, mulch and compost, often dozens at a time.
Spore print · White
Orange Birch Bolete
Boletes
A tall, striking bolete with a bright orange felty cap, a white stipe studded with blackish scabers, and white flesh that turns pinkish-grey and then near-black when cut. It grows only with birch.
Spore print · Ochre-brown
Orange Bonnet
Gilled
A minute bonnet with a vivid orange to orange-red cap perched on a slender yellow stem, fruiting on wet twigs and fallen debris. Its size is measured in millimetres but its colour is unmistakable.
Spore print · White
Orange Grisette
Gilled
A tall ringless Amanita with a glowing apricot-orange cap, free white gills and a stem banded with orange-cream chevrons above a large white membranous sac.
Spore print · White
Orange Jelly
Jellies
A bright orange, brain-like jelly of barkless conifer wood, distinguished by the conspicuous whitish point where it roots into the log.
Spore print · Pale yellowish to whitish