Crowded apothecia lichen

Crowded apothecia lichen

Observation - Crowded apothecia lichen. Description: Green-grey areolate thallus of granules growing on mortar of brick wall buttress. Crowded lecanorine apothecia with dark red-brown discs and granules around thalline margin. Possibly Lecania erysibe. (Yellow granules from nearby Caloplaca citrina.)

Green-grey areolate thallus of granules growing on mortar of brick wall buttress. Crowded lecanorine apothecia with dark red-brown discs and granules around thalline margin. Possibly Lecania erysibe. (Yellow granules from nearby Caloplaca citrina.)