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Images of British Lichenicolous Fungi

Stigmidium microspilum (Körb.) D. Hawksw.

Ascomycota, Capnodiales: forming dark grey patches on the host thallus, in which are set clusters of black perithecia; ascospores 1-septate. On Graphis scripta, widespread and locally common in old, humid woodland in the north and west.

Refs: Hawksworth (1983), 14.

Stigmidium microspilum on Graphis scripta
On Graphis scripta, forming a cluster of perithecia amongst the lirellae of the host, Ballygrant, Islay, May 2011 (BLS meeting, material lent by Peter Scholz).

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© A.J. Silverside
Uploaded May 2011, last modified March 2013