The alder – the pioneer among trees The alder (Alnus), especially the black alder (Alnus glutinosa), is a native tree found in many parts of Europe. It prefers to grow in damp and marshy areas s...
The alder – the pioneer among trees The alder (Alnus), especially the black alder (Alnus glutinosa), is a native tree found in many parts of Europe. It prefers to grow in damp and marshy areas s...