Species

Coccomyces dentatus (Map fungus)

Coccomyces dentatus. Photo: (c) Richard Droker, some rights reserved (CC BY-NC-ND)

Coccomyces dentatus is a species of fungus in the family Rhytismataceae. A widespread species, particularly in temperate areas, it colonizes the dead fallen leaves of vascular plants, particularly oak and chestnut. The fungus apothecia, which form in the epidermal layer of the leaf host, resemble dark hexagonal spots scattered on a multi-colored mosaic pattern bounded by thin black lines. When mature, the apothecia open by triangular flaps to release spores. The anamorph form of C. dentatus is…

— Wikipedia

Sightings

Where in Humboldt


Discussion

PLEASE SHARE YOUR THOUGHTS ABOUT COCCOMYCES DENTATUS, THE MAP FUNGUS