- Department: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Agaricales (Agaric or Lamellar)
- Family: Mycenaceae (Mycene)
- Genus: Mycena (Mycena)
- Species: Mycena pura (Mycena pure)
- Agaricus purus
- Gymnopus purus
Hat: at first it has the shape of a hemisphere, then it becomes wide-conical or blunt-bell-shaped to convex, outstretched. Ripe mushrooms sometimes have a raised edge. The surface of the cap is slightly slimy, pale gray-brown in color. In the center of a darker shade, the edges of the cap are striped, translucent, furrowed. The diameter of the cap is 2-4cm.
Plates: rather rare, indulgent. May be narrow adherent or wide adherent. Smooth or slightly wrinkled, with veins and transverse bridges at the base of the cap. White or grayish white in color. Along the edges of a lighter shade.
Spore powder: white.
Micromorphology: Spores are elongated, cylindrical, clavate.
Leg: Hollow inside, fragile, cylindrical. Leg length up to 9cm. thickness - up to 0.3 cm. The surface of the leg is smooth. The upper part is covered with a matte coating. A fresh mushroom secretes a large amount of a watery liquid at the fracture of the stem. At the base, the pedicle is covered with long, coarse, whitish hairs. In dried specimens, the stem is shiny.
Flesh: thin, watery, grayish in color. The smell of the mushroom is a bit sparse, sometimes pronounced.
Mycena pure (Mycena pura) is found on the litter of dead hardwood, grows in small groups. Also found on mossy trunks in deciduous forest. Sometimes, as an exception, it can settle on spruce wood. A common species in Europe, North America and South-West Asia. Fruiting from early spring to early summer. Sometimes occurs in autumn.
It is not eaten because of the unpleasant smell, but in some sources, the mushroom is classified as poisonous.
Contains Muscarine. Considered mildly hallucinogenic.
This species is included in the Red Lists in some European countries: France, Norway, Latvia, Denmark. In the Red Book of the Russian Federation, Mycena pura is not listed. Mycena (Latin Mycena) is a genus of mushrooms of the Mycenaceae family.