Irish lichens

Abrothallus welwitschii

Incertae sedis

Species: Abrothallus welwitschii

Lichenicolous fungus, parasitic on Sticta sylvatica
Photos: On mossy wall, Ardnagashel, Co. Cork, SW Ireland.
Identified by Andy Acton

An ascomycota with black apothecia that is parasitic on the thallii of Sticta species. Brown, 1-septate acospores. The anamorphic stage Vouauxiomyces has black pycnidia.





Abrothallus welwitschii


Abrothallus welwitschii
Abrothallus welwitschii March 2010

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