Training one’s eye to identify trees is a fun way to connect with the world around us and can be useful for making home landscape selections. Trees are often identified using leaf shape and color, ...

Answer: Alder trees are in the birch family (Betulaceae) and the genus Alnus. Alders tend to grow in wet, slightly acidic soils especially along the edges of wetlands. The speckled alder grows in ...

During the last few years alder has declined in South Bohemia. The possible role of mycorrhizal and actinorhizal symbioses is reviewed and some of the preliminary results from experiments testing the ...

HOUGHTON, Mich. (AP) — Experts say alder trees in Lake Superior wetlands are dying due to high water levels. Rodney Chimner, an ecologist at Michigan Technological University, says it's all part of a ...