(24 votes, average: 3.96 out of 5)
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Butter Cap
Edible 
Autumn 
Summer 
Winter 
A very variable and common woodland mushroom, which is a shame as although edible it has a poor taste.
| Mushroom Type | |
| Common Names | Butter Cap (EN), Buttery Collybia (US), Cap Menyn (CY), Monetnica Maślana (PL), Bunkóslábú Fülőke (HU) |
| Scientific Name | Rhodocollybia butyracea |
| Synonyms | Collybia butyracea |
| Season Start | Jul |
| Season End | Dec |
| Average Mushroom height (CM) | 6 |
| Average Cap width (CM) | 5 |
Cap
The cap varies greatly in shape and colour as the mushroom matures. It starts convex with an umbo and can be almost black and as it matures the cap generally gets lighter from the edges but always maintaining an darker umbo, when very mature the edges of the cap can turn upwards. The cap has a buttery or greasy feel to it.
Gills
White, sometimes off white, crowded and usually free of the stem, sometimes joined narrowly or adnexed.
Stem
The stem tapers towards the top and can be off white to cream sometimes with a red to brown base.
Flesh
Thin and mainly white.
Habitat
With leaf litter in most types of woodland.
Taste / Smell
Poor.
Frequency
Very common.
Spores
White to off white to pale pink. Ellipsoid.
Other Facts
An almost annoying mushroom to find as they are very common throughout late summer onwards and aren’t a particularly good edible.
Until recently, it was often referred as Greasy Toughshank (Collybia butyracea).
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