Octosporella jungermanniarum

Hosts: various leafy liverworts. In the British Isles, it has been found on Plagiochila asplenioides and Chiloscyphus sp. (poss. C. pallescens)

Infected host shoots with a cluster of apothecia
Setose perithecioid apothecia
Apothecia
Goose-head-shaped apporessoria of the fungus and vegetative hyphae.