As the autumn leaves flutter to the ground, you might find yourself picking one up, observing its color and shape, and wondering: What kind of tree is this from, anyway? Oregon is best known for its ...

Many of these stands exhibit an even-aged character, with the shorter-lived balsam fir fading out as the stand matures, leaving the longer-lived red spruce as the dominant tree species. Conifer Swamp ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Needle damage can cause major commercial and ornamental damage to conifers in ...

The relationship between photosynthetic capacity ($A_{\text{max}}$) and leaf nitrogen concentration (N) among all C₃ species can be described roughly with one ...