Discoloration of wood caused by living saprophytic fungi is commonly found on lumber. These fungi do not destroy the integrity of wood, but the discolorations they cause are often considered undesirable. In Tunbrigde Wells (Great Britain), seldomly found green colored wood, usually considered commercially irrelevant, was valued for use in restoration of wood inlay artwork. The aim of this research was to investigate the distribution of green colored wood in the Biosphere Schorfheide-Chorin, north of Eberswalde, Germany. 15 occurrences were found. The fungus was identified as Chlorociboria aeruginascens. While inoculation of wood with mycelium of the fungus grown on malt agar dishes was not possible, we were successful in transferring the fungus from infested wood to new Alnus glutinosa wood in a field trial. Trials with a pure culture of Chlorociboria aeruginosa completed the research.

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