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 “Yellow Fieldcap or Sunny Side Up Mushroom”
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
Poplar Fieldcap
Gilled
A clustering trunk-dwelling mushroom with a tan cap that wrinkles and cracks with age, cinnamon-brown gills, and a tough pale stem carrying a persistent spore-stained ring.
Spore print · Dull tobacco 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
Pavement Mushroom
Gilled
An exceptionally tough white Agaricus of hard-packed urban ground, distinguished by its double, sheathing ring and remarkable ability to push up through gravel and paving.
Spore print · Dark chocolate brown
Caesar's Mushroom
Gilled
A striking Mediterranean Amanita with a smooth orange cap, a strongly grooved margin, deep golden-yellow free gills and stem, and a thick white membranous sac at the base.
Spore print · White to pale cream
Inky Mushroom
Gilled
A grey-scaled woodland Agaricus with a dark-centred cap, a chrome-yellow staining stipe base and a distinctly inky odour.
Spore print · Dark chocolate brown
Black Poplar Mushroom
Gilled
A clustered brown-spored wood mushroom with a smooth two-toned cap that cracks in dry weather, a pale fibrous stipe and a persistent membranous ring.
Spore print · Tobacco brown
Golden Oyster Mushroom
Gilled
A vivid golden-yellow oyster mushroom that grows in dense bouquets from dead hardwood, its thin funnel-shaped caps fading to pale ochre as they age.
Spore print · White to pale lilac
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
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
Chicken Fat Mushroom
Boletes
A slender bright yellow bolete with a slimy, red-streaked cap and cottony veil fragments on the margin. It grows only with eastern white pine, often in large troops.
Spore print · Cinnamon-brown
Rosy Wood Mushroom
Gilled
A delicate, small-statured Agaricus with pinkish-lilac fibrils over a cream cap and a stipe base that flushes chrome yellow when handled. It fruits in woodland and park litter.
Spore print · Dark 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
Pioppino
Gilled
A clustered wood-dwelling mushroom with a wrinkled tan cap, a firm white stipe bearing a persistent ring, and gills that darken from whitish to tobacco brown. It grows in tiers on poplar and other soft hardwoods.
Spore print · Tobacco brown
Plantpot Dapperling
Gilled
A vivid lemon-yellow little parasol that appears overnight in the compost of houseplants and greenhouse pots. Its powdery cap opens into a deeply pleated disc on a slender yellow stem and collapses within a day.
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
Flowerpot Parasol
Gilled
A slender, brilliant sulphur-yellow mushroom that appears overnight in the pots of houseplants and in greenhouse beds, with a powdery pleated cap and a fragile ringed stem. It collapses within a day, often before anyone notices it opened.
Spore print · White
Golden Oyster
Gilled
A clustered oyster mushroom with bright lemon to golden-yellow caps that flatten into shallow funnels, with white decurrent gills on fused off-centre stalks.
Spore print · White to pale lilac-grey
Common Morel
Morels & Allies
A spring ascomycete with a pitted, honeycomb-like ovoid head fused to a hollow pale stalk, forming one continuous cavity from tip to base.
Spore print · Cream to pale yellow
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
Apricot Jelly
Jellies
A striking salmon-pink to apricot jelly fungus forming translucent rolled funnels or tongues that push up from soil over buried conifer wood.
Spore print · White
Dung Roundhead
Gilled
A pale straw-yellow, sticky, almost perfectly hemispherical mushroom on a long slender stem, growing on the dung of grazing animals.
Spore print · Purple-black
Neonothopanus gardneri
Gilled
A large Brazilian bracket-like agaric that grows from the leaf bases of babassu palms and glows a vivid yellow-green after dark. Its off-centre stipe, funnel-shaped tan cap and strongly decurrent gills are diagnostic.
Spore print · White
Golden Chanterelle
Gilled
A golden-yellow funnel-shaped fungus with blunt forking ridges instead of true gills running down a solid tapering stem, and a distinctive apricot-like scent.
Spore print · Pale yellow to cream