No 2 of three crustose lichens

No 2 of three crustose lichens

Observation - No 2 of three crustose lichens. Description: No 2 of the three crustose lichens in this photo is very small indeed and is at the bottom of the upper white patch. It is a green crustose lichen of irregular shape measuring approx. 6mm x 8mm with a few black apothecia. It looks a bit like Fuscidea ligh

No 2 of the three crustose lichens in this photo is very small indeed and is at the bottom of the upper white patch. It is a green crustose lichen of irregular shape measuring approx. 6mm x 8mm with a few black apothecia. It looks a bit like Fuscidea lightfootii. It may be just too small for identification.