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Licence: 
Creative Commons Licence
Description: 

Arthonia spadicea, thallus with irregular dark brown flattened fruit bodies, in association with lirellae of Opegrapha vulgata. Collection from bark of Fraxinus excelsior, Somerset, England.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith