''Mycena nebula'' is a species of fungus belonging to the ''

Mycena ''Mycena'' is a large genus of small saprotrophic mushrooms that are rarely more than a few centimeters in width. They are characterized by a white spore print, a small conical or bell-shaped cap, and a thin fragile stem. Most are gray or bro ...

'' genus. It was discovered in

Veracruz Veracruz (), formally Veracruz de Ignacio de la Llave (), officially the Free and Sovereign State of Veracruz de Ignacio de la Llave ( es, Estado Libre y Soberano de Veracruz de Ignacio de la Llave), is one of the 31 states which, along with Me ...

in Mexico growing on moss-covered bark on living trees. It was documented in 2019 by A. Cortés-Pérez, Desjardin, and A. Rockefeller.

Description

The cap is 3–9 mm (0.1-0.35 in) in diameter and initially a broad conical shape, expanding to become convex or umbonate. The cap is moist and glabrous and the color ranges from pale pink to red. When cut or bruised, a dark red latex is released. The gills are adnate to adnate with a decurrent tooth, distant, and white to pale pink. The stipe is central, cylindrical, hollow, and has a slightly swollen base. The stipe color ranges from red to translucent pink and releases a dark red latex when cut. The

basidiome In fungi, a basidiocarp, basidiome, or basidioma () is the sporocarp of a basidiomycete, the multicellular structure on which the spore-producing hymenium is borne. Basidiocarps are characteristic of the hymenomycetes; rusts and smuts do not ...

bioluminescent Bioluminescence is the production and emission of light by living organisms. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some Fungus, fungi, microorganisms including ...

and gives off a bright green light. The odor and edibility is unknown.

References

{{taxonbar, from=Q108075140

nebula A nebula ('cloud' or 'fog' in Latin; pl. nebulae, nebulæ or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral or molecular hydrogen and also cosmic dust. Nebulae are often star-forming regio ...

Fungi described in 2019 Fungi of Mexico Fungi without expected TNC conservation status