In North America alone, more than 3,600 species of lichen have been identified, and researchers continue to discover new ...

Q. Please tell me what this is. Is it the reason my redbud tree is dying by degrees? I’ve also seen some on my Japanese maple and a Virginia pine. Should I be worried? — J. Castelloe, Chesapeake. A.

My tree has lost all its leaves and the bark now has some fungi growing on it? Is lichen killing my tree? Lichen (pronounced lie-ken) gets a bad rap based on its appearance alone. It has been on our ...

I know many of us want winter to come to an end, but I would like just one more good snowstorm. I love all seasons, but I need a little more of that winter bleakness in the woods, primarily to help me ...