No 3 of three crustose lichens

No 3 of three crustose lichens

Observation - No 3 of three crustose lichens - UK and Ireland. Description: No 3 of the three crustose lichens in this photo is in the middle and is a white crustose lichen 10mm x 23mm, that has a slightly rough surface towards the centre of the thallus with olive green apothecia that appear frosted; the nearest I can find to thi

No 3 of the three crustose lichens in this photo is in the middle and is a white crustose lichen 10mm x 23mm, that has a slightly rough surface towards the centre of the thallus with olive green apothecia that appear frosted; the nearest I can find to this one is Lecanora carpinea.