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 “Red-Capped Butter Bolete”
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
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
Pale Bolete
Boletes
A softly coloured hardwood bolete with a pale buff to whitish cap and white pores that yellow with age and may stain slowly blue-green.
Spore print · Olive-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
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
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
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
Summer Bolete
Boletes
An early-season relative of the porcini with a dry, velvety, often crazed brown cap and a pale net covering the whole length of the stipe. Flesh is white and unchanging.
Spore print · Olive-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
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
Russell's Bolete
Boletes
A tall, elegant bolete of eastern oak woods, instantly known by its extraordinarily long stipe carved with deep, ragged, shaggy ridges and by its cracked olive-brown cap.
Spore print · Olive-brown
Admirable Bolete
Boletes
A rich maroon-brown bolete of Pacific Northwest hemlock forest that fruits on and around well-rotted conifer logs, with bright yellow pores and a stout reddish-brown stipe.
Spore print · Olive-brown
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
Parasitic Bolete
Boletes
A small olive-yellow bolete that grows nowhere except attached to the base of a common earthball, usually with several fruitbodies clustered around a single host.
Spore print · Olive-brown
Larch Bolete
Boletes
A glossy golden-brown bolete found only under larch, with a slimy cap, yellow pores that bruise brownish, and a ring on the stem.
Spore print · Ochre-brown
Bovine Bolete
Boletes
A slender pinkish-tan pine bolete recognised by its wide, irregular compound pores that run down the stalk. It is frequently found in company with the pink Rosy Spike.
Spore print · Olive to clay-brown
Alder Bolete
Boletes
A soft, pale bolete restricted to damp alder carr, with shallow decurrent yellow pores that instantly bruise blue-black. Fruitbodies are often lopsided and clustered.
Spore print · Olive to yellowish-brown
King Bolete
Boletes
A heavy, bun-shaped brown bolete with a stout swollen white stipe carrying fine pale netting, and a sponge layer that ages from white through cream to olive-yellow without bruising blue.
Spore print · Olive-brown
Peppery Bolete
Boletes
A small, slender bolete with wide coppery-rust pores running slightly down the stipe and a vivid chrome-yellow base, often found close to Fly Agarics on acid heathy ground.
Spore print · Cinnamon to rusty 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
Bronze Bolete
Boletes
The darkest member of the porcini group, with a sooty bronze to almost black velvety cap over a brown stipe finely netted in pale lines. Flesh white and unchanging.
Spore print · Olive-brown
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