Macrocystidia cucumis

Macrocystidia cucumis

''Macrocystidia cucumis'' is a common, inedible mushroom of the genus ''Macrocystidia'', often found in large numbers on needle litter or moist soil.
Macrocystidia cucumis immediately and easily recognizable by it's smell - which really and truly smells like a cucumber roll.. hence the nickname "sushi mushroom" - despite their smell, they are not edible. Fall,Geotagged,Macrocystidia cucumis,United States

Appearance

The cap is convex to flat, dark red to blackish brown, very much paler when dry and grows up to 5 cm in diameter.
The gills are white, later reddish and quite crowded. The spores are variable in colour, white, pink, brown have all been observed. The stipe is a similar colour to the cap, thin, and velvety at the base.
The flesh is white and has a smell of freshly cut cucumbers.
cucumber cap smells like kappa maki.... (really!) Fall,Geotagged,Macrocystidia cucumis,United States

Distribution

''Macrocystidia cucumis'' was originally described in Europe where it is most common, and it is also known from North America, Australia and New Zealand. It can be found in forests, disturbed grounds and gardens and its preferred substrate is wood debris.
Macrocystidia cucumis the local guide calls this the "sushi" mushroom because of it's distinctive smell - and it is pretty accurate. It's not fishy, but rather, this mushroom has a very pleasant odor, very much like a nice fresh tuna cucumber maki....  Fall,Geotagged,Macrocystidia cucumis,United States

Habitat

''Macrocystidia cucumis'' was originally described in Europe where it is most common, and it is also known from North America, Australia and New Zealand. It can be found in forests, disturbed grounds and gardens and its preferred substrate is wood debris.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyMarasmiaceae
GenusMacrocystidia
SpeciesM. cucumis