Mycena haematopus

burgundydrop bonnet

Scientific identification: Mycena haematopus (Pers.) P.Kumm.
Family: Mycenaceae
Class: Agaricomycetes
Genus: Mycena

Names across languages

English: burgundydrop bonnet
German: Großer Blut-Helmling
Finnish: Hurmehiippo
Estonian: Verimütsik
Russian: Мицена кровяноножковая

The scientific profile

From the latest record: 2026-07-25.

Hymenium

Gills whitish to pale grey or pinkish, sometimes developing reddish-brown stains; edges usually concolorous but occasionally darker

Cap

Conical to bell-shaped, later broadly convex; hygrophanous, finely pruinose when young and translucent-striate when moist; reddish-brown, fading to pale pinkish-grey

Hymenium Attachment

Adnate to adnexed, sometimes decurrent with a small tooth

Stipe

Slender, hollow and fragile; reddish-brown, darker below, with white basal fibrils

Spore print

Spore print: White

Ecology

Saprobic, usually growing in tufts or clusters on well-decayed hardwood logs, stumps and fallen branches; summer to late autumn

Edibility

Insubstantial and of poor culinary value

Fruit body

Fruit body small; stipe ~4–8 cm long and ~0.1–0.3 cm thick

Dimensions

Cap ∅ ~1–4 cm

Flesh

Flesh very thin, pale to vinaceous

Description

Exudes dark blood-red liquid when cut

Chemical reactions

No distinctive macroscopic reaction

Odour

Indistinct

Taste

Mild to slightly bitter

Microscopy

Spores broadly ellipsoid to pip-shaped, smooth, amyloid, ~8–11 × 5–7 µm; basidia clavate, predominantly 4-sterigmate; cheilocystidia fusiform with elongated narrow apices; pleurocystidia similar when present; clamp connections abundant