Crustose lichen on fruit tree bark

Crustose lichen on fruit tree bark

Observation - Crustose lichen on fruit tree bark. Description: Flattened, oval, white-grey lichen, with pale brown apotheca ('jam-tarts') with edges same colour as thallus.

Flattened, oval, white-grey lichen, with pale brown apotheca ('jam-tarts') with edges same colour as thallus.