Lichen 1w

Lichen 1w

Observation - Lichen 1w - UK and Ireland. Description: Placodioid yellow circular thallus growing on oolitic limestone church window sill. Lobes flat. Yellow lobe tips become paler and whitish away from tips. Dark orange lecanorine apothecia in inner part of thallus away from outer lobe areas. Possibly Calo

Placodioid yellow circular thallus growing on oolitic limestone church window sill. Lobes flat. Yellow lobe tips become paler and whitish away from tips. Dark orange lecanorine apothecia in inner part of thallus away from outer lobe areas. Possibly Caloplaca aurantia.