People love their chalky white birch trees. Unfortunately, so does a tiny insect that causes big problems. Only a half-inch long as an adult, the bronze birch borer started establishing itself in the ...

Curly—or Karelian—birch is a mysterious tree with a patterned wood texture and a bizarre trunk shape. Unlike the elegant white-stemmed traditional birch, the Karelian one may seem unsightly at first ...

New insights into tree architecture: researchers shed light on bushy birch variants Research carried out at the University of Helsinki provides new insights into understanding the genetic structure of ...