Trees with especially unique leaves include ginkgo, sassafras, yellow poplar, and mulberry. Here, we explore the various classifications that foresters study when identifying trees by leaf shapes.

The populus species are susceptible to fungal leaf spots that defoliate trees by late summer. The poplar tree is extremely susceptible to a devastating canker and dies an ugly death in just a few ...

If you’ve ever had to work on a tree leaf collection, no doubt you included a leaf from Indiana’s state tree. Also known as tulip poplar and yellow poplar, the tuliptree is actually not a poplar at ...