An online educational resource dedicated to the photography of fungi;
mushrooms, toadstools, brackets, cups, plant diseases etc., found
in South-West England, especially Devon and Cornwall, by David Fenwick.

Order Incertae sedis = uncertain (The Lichen Image Gallery)
Family Xanthopyreniaceae

Collemopsidium species = Pyrenocollema halodytes

Above species commonly found with a few other similarly looking lichen species intertidally on Barnacles and Limpets, and probably other shells.

Other Lichens

Normandina pulchella - Elf Ear Lichen


Collemopsidium Pyrenocollema halodytes