Photo of a willow trunk with good coverage of green moss and black Ricasolia virens cyanomorphs with a scattering of bright green lobes.

close up of some black, bushy Ricasolia virens thalli with a few bright green lobes budding from them.

Found a big, beautiful patch of Ricasolia virens cyanomorph on a willow near Auchalick Bay. #lichen #ricasolia #cyaonomorph #photosymbiodeme #naturephotography #argyll #scotland #uk