 This fungus produces dark brown to black pycnidia that have setae with one to five septa and are 8-120 µm long.Setae mostly occur around the ostiole, but may grow anywhere on the pycnidium.Pycnidiospores are hyaline, oblong - ovoid, biguttulate, and sessile in the pycnidium and ooze from ruptures or through the ostiole.