Associations
provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Lichen / gall
perithecium of Polycoccum squamarioides causes galls on thallus of Placopsis gelida
Lichen / pathogen
perithecium of Roselliniopsis gelidaria infects and damages thallus of Placopsis gelida
Lichen / parasite
perithecium of Synaptospora tartaricola parasitises thallus of Placopsis gelida
