Lichen on bark, Greenwich - 2013

Lichen on bark, Greenwich - 2013

Observation - Lichen on bark, Greenwich - 2013. Description: I'd like to go back to try for better pics - taken at dusk. HOUSEKEEPING 2014: Image 3 (Flavoparmelia caperata) removed and posted HERE

I'd like to go back to try for better pics - taken at dusk.
HOUSEKEEPING 2014: Image 3 (Flavoparmelia caperata) removed and posted HERE