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 “American yellow fly agaric”
Fly Agaric
Gilled
The archetypal storybook mushroom: a scarlet or orange cap sprinkled with white warts, standing on a white stem with a skirt-like ring and a bulbous base ringed by concentric scaly girdles.
Spore print · White
Verdigris Agaric
Gilled
A striking woodland roundhead with a slimy verdigris blue-green cap flecked with white veil scales at the margin, a scaly ringed stem and gills that mature to purple-brown.
Spore print · Purple-brown
American Parasol
Gilled
A stout parasol with concentric reddish-brown scales over a white cap and a spindle-shaped stem, whose flesh and surfaces stain wine-red to reddish-brown wherever they are handled. It fruits in clusters on wood chips, sawdust and old stumps rather than in undisturbed forest soil.
Spore print · White
American Matsutake
Gilled
A heavy white mushroom with cinnamon-stained cap fibrils, notched white gills and a thick sheathing ring, pushing up through sandy conifer duff. Its powerful spicy aroma is unmistakable in the field.
Spore print · White
American Caesar's Mushroom
Gilled
A brilliant red-to-orange Amanita of eastern North American oak and pine woods, with yellow gills, a yellow-orange skirt ring and a thick white sac at the base.
Spore print · White
Yellow Patches
Gilled
A small to medium eastern North American amanita with a glossy orange-yellow cap sprinkled with bright chrome-yellow flakes of universal veil. The same yellow material dusts the ring and the swollen stem base.
Spore print · White
Yellow Stagshorn
Jellies
Bright orange-yellow antler-shaped branches with a tough, gelatinous, rubbery texture, rooting into buried conifer wood by a deep tapering base.
Spore print · White to pale yellow
Yellow Coral
Corals & Clubs
A bulky coral fungus with a stout white trunk and crowded lemon to sulphur-yellow branches. The white flesh characteristically stains reddish then brown where bruised.
Spore print · Pale yellow-ochre
Yellow Fieldcap
Gilled
An extremely fragile, short-lived agaric whose slimy egg-yolk yellow cap expands, fades to grey and collapses within a day, leaving a rusty ochre spore print.
Spore print · Rusty ochre-brown
Yellowing Brittlegill
Gilled
A small, fragile brittlegill whose entire fruiting body — cap, gills, stipe and flesh — discolours a deep honey-yellow with age or handling. It is common in damp mossy conifer woodland.
Spore print · Pale cream
Yellow Stainer
Gilled
A white Agaricus that flushes instant bright chrome-yellow when the cap margin is rubbed or the stem base is cut, and carries a distinctive ink-like odour. Young caps often have a flat-topped, squared-off profile.
Spore print · Dark chocolate-brown
Yellow Morel
Morels & Allies
A spring ascomycete with a pale tan to yellow-ochre honeycombed head, its pits irregular and its ridges paler than the pits. Head and stalk are joined at the base and the whole fruiting body is hollow from tip to foot.
Spore print · Cream to pale yellow
Yellow Brain
Jellies
A vivid golden-yellow jelly fungus that erupts in brain-like folded lobes from dead hardwood twigs, shrivelling to a hard crust in dry weather and swelling again after rain.
Spore print · White
Yellow Webcap
Gilled
A slimy-capped webcap in warm ochre-yellow, distinguished by pale bluish-violet young gills and a bluish stem apex above a glutinous, banded stem. Common with birch on damp acid soils.
Spore print · Rusty brown
Yellow-staining Mushroom
Gilled
A white Agaricus of hedges and parks whose flesh flushes instant chrome-yellow when rubbed, most vividly in a cut stem base, and which carries a sharp phenolic odour. The young cap is characteristically squared off.
Spore print · Dark brown
Yellow-juice Cup
Cups & Discs
A dull grey-brown woodland cup whose brittle flesh releases a watery juice that turns bright yellow within moments of being cut.
Spore print · White
Yellow-tipped Coral
Corals & Clubs
A large branched coral fungus with salmon to apricot-pink branches tipped in clear yellow, growing from woodland soil. Its flesh typically discolours brownish where bruised or cut.
Spore print · Pale yellow-ochre
Yellow-veiled Amanita
Gilled
A western North American amanita with a dark brown to olive cap sprinkled with vivid golden warts, a yellow-edged ring, and yellow veil belts on the bulbous base.
Spore print · White
Yellow-gilled Gymnopilus
Gilled
A colourful rustgill with a purplish-red, fibrillose-scaly cap and brilliant yellow gills that mature to rust, commonly clustered on wood chip beds.
Spore print · Rusty orange-brown
Yellow Swamp Brittlegill
Gilled
A striking pure chrome-yellow brittlegill of boggy birch woods, identified by its bright unfaded cap and by flesh that turns grey and eventually black where cut or bruised.
Spore print · Pale ochre
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
Yellowing Curtain Crust
Crusts
A tiered bracket-forming crust with a velvety, concentrically zoned upper surface and a smooth pale underside that stains distinctly yellow where it is scratched. The yellow bruising is its defining field character.
Spore print · White
California Agaricus
Gilled
A common lawn and garden Agaricus of the Pacific coast, with a pale silky cap, a flaring patch-bearing ring and pale greyish rather than bright pink young gills.
Spore print · Dark chocolate brown
Agaricus bohusii
Gilled
An unusual Agaricus that fruits in dense caespitose clusters, its caps streaked with dark brown fibrous scales and its stipes crowded and often bent. Favours nitrogen-rich soil under broadleaf trees.
Spore print · Dark brown