If lightning strikes a bit deeper into the trunk, the entire tree may blow apart, or all the bark will blow off. The tree may or may not have blackened or charred areas on the trunk. In some cases ...

Purdue Landscape Report: Slime flux (also known as wet wood) is a dark, foul-smelling and unsightly seepage of sap from tree trunks (fig. 1). The disease is not usually a serious problem but the ...

A: Lichen can occur in a range of colors, but you are correct, this is not lichen, nor is it tree sap or insect eggs; the flat patches, flush with the bark or just below bark level, indicate ...