In this edition of ID That Tree, Purdue Extension forester Lenny Farlee takes us through the different characteristics of coniferous trees found here in Indiana, particularly their foliage and the ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces you to a native Indiana conifer typically found in sandy soils near Lake Michigan, the Jack pine. This tree is ...

Tree anatomy, including leaf shape and twig parts, helps you identify and name tree species. Knowing a tree's physiology will help with identification.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

The significance of preserving the long leaf pine tree is one of the factors that lead to creation of the Kisatchie National Forest in 1930. Covering 604,000 acres spread across seven parishes ...

Red foliage growing from ponderosa pines, as well as red “sores or cankers” on pinecones, consistent with the fungus diplodia, have been reported near Bigfork, Woods Bay and Echo Lake.