Lichen with pustules

Lichen with pustules

Observation - Lichen with pustules . Description: Brown and white foliose lichen with pustules growing on sheltered ledge amongst granite rocks. White pruinose surface near centre of thallus. Black isidia on parts of outer surface of thallus especially along edges of lobes. Possibly Lasallia pustulata.

Brown and white foliose lichen with pustules growing on sheltered ledge amongst granite rocks. White pruinose surface near centre of thallus. Black isidia on parts of outer surface of thallus especially along edges of lobes. Possibly Lasallia pustulata.