Large perithecia lichen

Large perithecia lichen

Observation - Large perithecia lichen. Description: Grey crustose thallus growing on limestone. Large hemispherical perithecia each with crater in the top giving flat-topped profiles. Possibly Acrocordia salweyi.

Grey crustose thallus growing on limestone. Large hemispherical perithecia each with crater in the top giving flat-topped profiles. Possibly Acrocordia salweyi.