Lichen with red pruina

Lichen with red pruina

Observation - Lichen with red pruina - UK and Ireland. Description: Pale crustose thalli growing on hazel. Apothecia covered in red pruina. Chemical test on pruina: K+ purple. Possibly Arthonia cinnabarina.

Pale crustose thalli growing on hazel. Apothecia covered in red pruina. Chemical test on pruina: K+ purple. Possibly Arthonia cinnabarina.