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.
Showing results for “Boletus”
Chestnut Bolete
Boletes
A neat, rusty chestnut bolete with white to pale yellow pores, brittle flesh and a hollow, chambered stipe, and a pale straw spore print unusual for the group.
Spore print · Pale straw yellow
Frost's Bolete
Boletes
A vivid lacquered blood-red bolete with dark red pores that weep amber droplets when young, and a deeply pitted, coarsely netted red stipe. Bruises blue instantly.
Spore print · Olive-brown
Bay Bolete
Boletes
A rich bay-brown bolete whose lemon-yellow pores flush blue-green within seconds of being touched. The stipe is brown-streaked and lacks the raised netting of the King Bolete.
Spore print · Olive-brown
Birch Bolete
Boletes
A tall, slender bolete with a dull brown cap, off-white pores and a long white stipe roughened by vertical rows of small dark scabers. It grows only with birch.
Spore print · Snuff-brown to ochre-brown
Slate Bolete
Boletes
A firm, slate-grey to grey-brown scaber stalk of poplars, with a long rooting stem, dark scabers, and cut flesh that reddens then turns blue-green at the base.
Spore print · Ochre-brown
Suede Bolete
Boletes
A medium bolete with a dry, suede-textured olive-brown cap over large, bright golden-yellow angular pores. The stipe is ribbed rather than netted and lacks red streaking.
Spore print · Olive-brown
Manzanita Bolete
Boletes
A large western North American scaber stalk with a deep red-brown, often sticky cap, coarse black scabers on a white stem, and flesh that greys and blackens when cut.
Spore print · Ochre-brown
Weeping Bolete
Boletes
A slippery cinnamon-brown bolete of pine woods whose pale yellow pores exude milky droplets in humid weather, giving it its name. The ringless stalk is dusted with fine brown granular dots.
Spore print · Cinnamon-brown
Velvet Bolete
Boletes
A stout pine bolete with a dry, velvety orange-ochre cap and small dark cinnamon pores. The pale yellow flesh usually flushes blue where cut.
Spore print · Olive-brown
Foxy Bolete
Boletes
A firm-fleshed conifer scaber stalk with a deep fox-red cap, blackish scabers on a stout white stem, and flesh that greys strongly with blue-green tints at the base.
Spore print · Ochre-brown
Lake's Bolete
Boletes
A scaly reddish-brown bolete of Douglas-fir woods with large radial yellow pores and a ring zone. Flesh at the very stalk base often flushes blue-green.
Spore print · Olive-brown to cinnamon
Hazel Bolete
Boletes
A scaber stalk of hazel and hornbeam with a distinctly wrinkled, pitted olive-brown cap and white flesh that darkens through pink to near black when cut.
Spore print · Ochre-brown
Bolete Eater
Other Fungi
A parasitic fungus that engulfs boletes in a felty white coat which ripens to bright golden yellow, distorting the host until its pores and stipe are barely recognisable.
Spore print · Not applicable; golden-yellow powdery spore mass
Ravenel's Bolete
Boletes
An unmistakable bolete wrapped in a bright sulphur-yellow powdery veil that tears to reveal a sticky reddish cap and leaves a cottony yellow ring on the stipe.
Spore print · Olive-brown
Gilled Bolete
Boletes
A bolete that wears gills instead of pores: thick, widely spaced, bright golden-yellow blades running down the stipe beneath a dry velvety brown cap.
Spore print · Olive-yellow to yellowish-brown
Graceful Bolete
Boletes
A slim, long-stemmed bolete with a velvety chestnut cap, white pores that age flesh-pink, and an unusual pinkish-brown spore print.
Spore print · Pinkish to reddish-brown
Iodine Bolete
Boletes
A pale, dry-capped bolete of warm oak woodland with lemon-yellow pores that do not blue and a stipe base whose flesh carries a distinctive iodoform-like odour.
Spore print · Olive-brown
Devil's Bolete
Boletes
A massive, pale-capped bolete of warm limestone woodland, with blood-red pores, a squat bulbous stipe covered in a fine red net, and flesh that blues only slowly.
Spore print · Olive-brown
Porcini
Boletes
The archetypal stout bolete, with a smooth brown bun-shaped cap, white pores ageing yellow-olive, and a swollen pale stipe netted with fine white reticulation. Flesh stays white and unchanging when cut.
Spore print · Olive-brown
Ornate-stalked Bolete
Boletes
A firm woodland bolete recognised by its brilliant chrome-yellow stipe covered in a raised network of ridges. Grey to olive caps sit above yellow pores that darken when handled.
Spore print · Olive-brown
Violet-gray Bolete
Boletes
A handsome bolete with a deep violet-purple cap and matching stipe, white pores that age pink, and unchanging white flesh. A common oak associate in eastern North America.
Spore print · Pinkish-brown
Red Cracking Bolete
Boletes
A small woodland bolete whose dull brown cap cracks into a mosaic with pinkish-red flesh showing in the fissures. Yellow pores bruise blue-green and the stipe is red-streaked.
Spore print · Olive-brown
Lilac-brown Bolete
Boletes
A dark, softly purple-brown bolete whose pore surface is purple-grey from the start and whose stipe is densely peppered with fine dark purplish dots.
Spore print · Reddish-brown to pinkish-brown
Brown Birch Bolete
Boletes
The commonest of the scaber stalks, a tall grey-brown bolete of birch woodland with a slender stem roughened by dark scaly tufts.
Spore print · Snuff-brown