From left to right, the trees are a blight-susceptible wild-type American chestnut (C. dentata) called Ellis 1, a blight-resistant Chinese chestnut (C. mollissima) tree called 'Qing,' and two ...

Today, there are approximately 435 million American chestnut trees in the country and most are killed by blight long before they reach maturity. The American chestnut, today, is considered ...

[via Inhabitat] Between logging and the introduction of chestnut blight, the once prevalent American chestnut became increasingly uncommon throughout its traditional range in the Appalachians.