Associations
provided by BioImages, the virtual fieldguide, UK
Lichen / gall
basidioma of Biatoropsis usnearum causes galls on branch (terminal) of Usnea florida
In Great Britain and/or Ireland:
Lichen / gall
largely superficial, clustered perithecium of Endococcus alpestris causes galls on thallus tip of Usnea florida
Lichen / parasite
pycnidium of Lichenoconium coelomycetous anamorph of Lichenoconium cargillianum parasitises apothecium of Usnea florida
