Order: Ostropales Family: Gomphillaceae
Species: Gomphillus calycioidesGrowth type crustose.
Photos: Over moss on Oak. Glengarriff, Co. Cork, SW Ireland.
Thin greenish-grey or +/- colourless thallus with scattered blackish-brown apothecia that appear to have short, +/- furrowed stalks. Apothecia are either single or 2-6 per stalk.
Asci are very long and narrow, 280-350 x 7-10 Ám, 8-spored.
Multi-septate (usually 25-65 -septate), colourless, threadlike spores, 160-200 x 1.5-2 Ám. Micro photos below.
Chemical reactions negative.
Occurs overgrowing moss and liverworts on mossy rocks or tree trunks in sheltered, humid locations but occasionally found on soil. Most frequent in western Ireland.