Species: Illosporiopsis christiansenii
Parasitic on Physcia tenella. Macroom, Co. Cork, SW Ireland.
The sporodichia form soft, pink mounds of coiled conidia on the host thallus. The conidia have a spiral appearance.
Microscope photograph below.
Widespread, often in nitrogen-rich conditions on a number of hosts including Physcia species and Xanthoria parietina.