It’s About Time – February 2013
Why do mosses and lichens fall out of the trees in winter? Close to the end of every year, clumps of moss and lichen appear around almost every oak and maple tree in town. These are the branch species, different from terrestrial mosses and lichens. It is most prominent in parks where the lawn hasn’t been mowed since late fall. For years I attributed the lichen rain to wind storms, but that never struck me as the whole story. A comment in the Mount Pisgah Arboretum newsletter by its caretaker made a light go on in my head. Continue reading