Longleaf pines — their needles can be up to 18 inches long — are among the longest-lived trees in eastern North America ... other old-growth forests across the continent — including northeastern ...

Here, scattered amongst exposed rock surfaces encrusted with a wide variety of lichens and mosses, are found several unique plants typical of regions much farther to the north ... a transition forest, ...

in Multiple Element Limitation in Northern Hardwood Ecosystems. We are measuring the response ... Beech bark disease invaded North America a century ago but the disease is still not entirely ...