''Alnus glutinosa'', the common alder, black alder, European alder or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa. It thrives in wet locations where its association with the bacterium ''Frankia alni'' enables it to grow in poor quality soils.
Similar species: Beeches, Oaks, Walnuts
Uploaded Jan 3, 2020. Captured May 29, 2019 14:03 in L1077, 07819 Linda bei Neustadt an der Orla, Germany.