Pruinose Caloplaca

Pruinose Caloplaca

Observation - Pruinose Caloplaca - UK and Ireland. Description: Large areas of ‘orange’ pruinose lichen growing on oolitic limestone window sill in south facing church wall. Young apothecia seem to have small aperture where orange disc develops. Possibly Caloplaca ruderum.

Large areas of ‘orange’ pruinose lichen growing on oolitic limestone window sill in south facing church wall. Young apothecia seem to have small aperture where orange disc develops. Possibly Caloplaca ruderum.