Family: Graphidaceae Species: Graphis scripta sens str. Growth type crustose Photos: Co. Cork, SW Ireland. White, grey or brownish thallus with elongate, curved or branched lirellae with +/- rounded ends. Branching sometimes parallel. Discs very narrow or not visible, sometimes with a narrow thallus margin. Asci 6-8 spored, the spores 5-13 septate, 20-63 x 5-12 µm and the lumina usually elliptical or lentiform. Micrographs below. One of the two most common of the four species recently separated from Graphis scripta s. lat. A widespread pioneer species also found on mature trees, often with G. pulverulenta

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Graphis scripta sens str. November 2008, May 2009, August 2024