Anthracoidea verrucosa (Saville) Nannfeldt, 1977

on Carex

gall

the contents of the ultimately rupturing utriculi is transformed into a hard, black body consisting of agglutinated spores; initially it is covered by a silvery membrane, that later flakes off.

hostplants

Cyperaceae, narrowly monophagous

Carex macloviana.

The fungus is not known from Europe, but could occur in northern Europe on this sedge.

references

Vánky (1994a).