From the northernmost reach of the White Mountains and Mahoosuc Highlands of Maine, through the crystalline escarpments of the Catskills and Blue Ridge — down into the Shenandoah, Cumberland and ...

TANNERSVILLE — Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled, bumpy bark. “This is pretty typical of beech bark disease,” he said. “Beech trees would ...

SOUTHWICK — Over the last several weeks hundreds of motorists have traveled along Congamond Road, and most wouldn’t recognize the prickly burrs on the branches of single American chestnut tree that ...

All over eastern North America right now, chestnut breeders are pollinating tree flowers. "So here is actually some flowers," Retired forester John Scrivani explains. They’re beautiful. "And they’re ...

Sunlight filtered through the overstory of a thick Pennsylvania forest and a few rays fell upon the long, serrated leaves of the American chestnut trees down below. The higher Mike Manes, 78, hiked, ...

Courtney Streett (right foreground) gazes up at the American chestnut tree in Delaware with other hikers as guide Joe Sebastiani (gray baseball cap) gives a tutorial. (Cris Barrish/WHYY) Octogenarian ...