Orange peel fungus or Golden cup
How they differ, how to recognize them and which is more dangerous — a mushroom comparison
The short answer
Orange peel fungus and Golden cup are similar species: Orange peel fungus is conditionally edible, while Golden cup is inedible. The main visible difference: season: Orange peel fungus — summer, autumn, winter, Golden cup — spring. The mushrooms also differ in the following features: use, size, cap color.

Orange peel fungus
Aleuria aurantia

Golden cup
Caloscypha fulgens
📊 Comparing characteristics
| Characteristic | Orange peel fungus | Golden cup |
|---|---|---|
| Edibility class | Orange peel fungus Conditionally edible | Golden cup Inedible |
| Season | Orange peel fungus SummerAutumnWinter | Golden cup Spring |
| Use | Orange peel fungus Cook fresh | Golden cup Not eaten |
| Size | Orange peel fungus Small (up to 5 cm) | Golden cup Very small (<3 cm) |
| Cap color | Orange peel fungus Orange | Golden cup OrangeYellow |
| Cap shape | Orange peel fungus Depressed | Golden cup Depressed |
| Cap surface | Orange peel fungus Smooth | Golden cup Smooth |
| Taste | Orange peel fungus Mild | Golden cup Unknown |
| Smell | Orange peel fungus Odorless | Golden cup Odorless |
| Flesh color change | Orange peel fungus No change | Golden cup No change |
| Hymenophore | Orange peel fungus Smooth | Golden cup Smooth |
| Stem | Orange peel fungus Absent | Golden cup Absent |
| Ring (veil) | Orange peel fungus No ring | Golden cup No ring |
| Volva | Orange peel fungus No volva | Golden cup No volva |
| Substrate | Orange peel fungus SoilForest litter | Golden cup SoilMossForest litterDead wood |
| Nutrition type | Orange peel fungus Saprotroph | Golden cup Saprotroph |
| Partner trees | Orange peel fungus — | Golden cup SpruceFirPine |
📅 Seasonality
Orange peel fungus
Fruiting season
August – December
Golden cup
Fruiting season
April – June
🔬 Morphology
Cap
Orange peel fungus
The fruiting body is cup-shaped, irregular, 2–10 cm across (sometimes up to 12). When young it is closed and globular; as it grows it opens, first into a deep cup, then becomes saucer-shaped, and in old age it crumples and curls at the edges. The inner surface is bright orange, smooth and shiny. The outer surface is paler, pale yellowish-orange, finely granular.
Golden cup
The fruiting body is cup- or goblet-shaped, 1-3 cm across and 0.5-1.5 cm tall, with no clear division into cap and stem. The inner surface (hymenium) is smooth, silky-shiny, bright orange to flame-yellow. The outer surface is paler, creamy orange, with fine whitish down. The rim of the cup is thin, curled downward in young specimens and flattening out or slightly wavy in mature ones.
Hymenophore
Orange peel fungus
The spore-bearing layer lines the inner, concave surface of the cup. Cup fungi have no gills or tubes — spores form in asci directly on the surface. Spore print white.
Golden cup
A smooth hymenium covers the inner surface of the cup. The spores ripen in microscopic sacs (asci). The spore print is colorless to pale yellow. The spores are shot out at the slightest change in air pressure or moisture — a trait shared by all Pezizales.
Stem
Orange peel fungus
There is no stem, or it is very short, a small bump at the base of the cup. The fruiting body sits directly or almost directly on the soil.
Golden cup
The stem is almost absent — the fruiting body is sessile or has a short, narrowed base 2-5 mm tall, barely sunk into the soil.
Flesh
Orange peel fungus
The flesh is thin, waxy-brittle, orange or paler than the outer surface. Very fragile — it falls apart at the slightest pressure.
Golden cup
The flesh is thin (1-2 mm), waxy, brittle and orange-yellowish. It doesn't change color when cut. No distinct smell or taste.
Smell
Orange peel fungus
The smell is faint, neutral or slightly sweetish, with no distinct notes. The taste is mild, bland, not bitter.
Golden cup
Faint, neutral, indistinct. Not tasted — the mushroom is inedible.
📍 Habitats
Orange peel fungus
Golden cup
👀 Similar mushrooms — don't mix them up!
❓ Frequently asked questions
Can Orange peel fungus and Golden cup be mixed up?
How to tell Orange peel fungus from Golden cup?
Is Golden cup edible?
When do Orange peel fungus and Golden cup grow?
Sources
- [1]Вікіпедія (українська)
- [2]Атлас грибів України, Зеров Д.К. (1979)
- [3]MycoBank Database
- [4]Index Fungorum
- [5]GBIF
- [6]iNaturalist Ukraine