Scientific name: Opegrapha vermicellifera
Swedish name: stiftklotterlav
Opegrapha vermicellifera and Zwackhia viridis on beech (Fagus sylvatica)
Opegrapha vermicellifera on beech (Fagus sylvatica)
Opegrapha vermicellifera on beech (Fagus sylvatica)
Opegrapha vermicellifera on beech (Fagus sylvatica)