Ascomycota Incertae sedis Species: Illosporiopsis christiansenii Lichenicolous fungus 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.

Microscope photograph

Illosporiopsis christiansenii on Physcia tenella. November 2010