Order: Ostropales       Family: Graphidaceae Species: Graphis inustuloides (Graphina anguina) Growth type crustose, graphid. Photos: Macroom and Drinagh, Co. Cork, SW Ireland. Thallus whitish-grey, slightly shiny and often wrinkled or cracked. Margin of immersed apothecia often slightly elevated, carbonaceous margin flat with narrow disc. Lirellae are short, serpentine, usually star-shaped and often pruinose. Asci 8-spored, colourless muriform spores with 20+ cells, 7-11 transverse septa, 25-50 x 12-16 µm. Micro photographs below. Throughout Ireland on slightly shaded smooth-barked trees, often in secondary woodland or coppices. Chemical reactions negative. Similar: Graphis scripta has 5-15 septate spores

Microscope photographs





Graphis inustuloides (Graphina anguina). November 2009