Cryptomyces maximus

Cryptomyces maximus
Depiction of fruiting bodies
Image of fruiting bodies
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Leotiomycetes
Order: Rhytismatales
Family: Cryptomycetaceae
Genus: Cryptomyces
Species:
C. maximus
Binomial name
Cryptomyces maximus

Cryptomyces maximus (commonly known as willow blister) is a species of fungus within the genus Cryptomyces.

Cryptomyces maximus is the only species listed on The world's 100 most threatened species as being native to the British Isles.