Common alder
Alnus glutinosa
Genus Alnus. Family Betulaceae.
Photo Ivan Klumov
Description
Alnus glutinosa, the common alder, black alder, European alder, European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa.
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Photographs
Moscow, Serebryany Bor.
Photo Ivan Klumov
Public domain
Links
Source: Wikipedia