And now a checkup of sorts on the American chestnut, a tree that was a big part of forests in the eastern United States until 1904, when a fungus from Asia started killing them. Since the 1920s, ...
The American chestnut was once the dominant hardwood species in Appalachian mountain forests, comprising as much as 40 percent of the overstory trees in the climax forests of the Eastern United States ...
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