In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Paper Birch. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

GRAND FORKS – As June approaches and trees begin to leaf out, Sean Lee, the forestry operations manager with the Grand Forks Park District, knows it’s time to begin watching out for Dutch elm disease.