Order: Lecanorales       Family: Lecanoraceae Species: Myriolecis dispersa (Lecanora dispersa) Growth type crustose. Photos: On upland and coastal rocks. Co. Cork, SW Ireland. Thin or evanescent, light-grey or whitish thallus. Small apothecia, pale greenish-grey to dark-brown, sometimes white-pruinose with entire margins that become flexuose or slightly crenulate. Asci 8-spored, 50-65 x 12-18 µm. Spores simple, (7-)8.5-14 x (3-)4-7 µm. Microscope photograph below. Chemical reactions negative. Common and pollution-resistant. Occurs in urban and rural locations on a wide range of nutrient-rich basic substrates. Similar: Lecanora hagenii is usually corticolous

Microscope photograph

Lecanora dispersa February 2009 and March 2012