Arthopyrenia analepta, een niet-gelicheniseerde schimmel, na meer dan 150 jaar teruggevonden in Vlaanderen en alweer met verdwijnen bedreigd

Arthopyrenia analepta (Ach.) A. Massal., a non-lichenized fungus, rediscovered in Flanders after more than 150 years but threatened already. – This species has recently been found for the second time in Flanders after more than 150 years. It was discovered on February 22, 2020 on Quercus in a former clay pit at Rumst (Terhagen, province of Antwerp, Belgium). Morphology, ecology, habitat and distribution of the species are described.