Synonyme: Agaricus lactescens; Agaricus galopus.
English: Milking bonnet; Milk-drop mycena.
German: Weissmilchende Helmling.
Region: North America, Europe.
Content: benzoxepines, a wound-activated chemical defense mechanism against yeasts and parasitic fungi.
Habitat: leaf litter in coniferous and deciduous woodland.
MycologyMycena galopus is a small mushrooms with grayish-brown, bell-shaped, radially-grooved caps, ± 2 cm wide. The gills are whitish to gray, widely spaced, and squarely attached to the stem. The slender stems are ± 6 cm long, pale gray at the top, almost black at the hairy base. The stem will ooze a whitish latex if it is injured or broken. It is an important leaf litter decomposer, attacking cellulose and lignin.