Order: Ceratobasidiales       Family: Incertae sedis Species: Marchandiomyces corallinus Lichenicolous fungus. Photos: Ballingeary area, Co. Cork, SW Ireland. Parasitic on Parmelia saxatilis Bright pink coralloid sclerotia. Widespread, can be common on various lichen species, including Physcia and Parmelia and causes extensive die-back of host lichen. Similar: Marchandiomyces aurantiacus. Orange sclerotia, on corticolous Physcia species.

Marchandiomyces corallinus on Parmelia saxatilis. May 2009