While aspen are susceptible to threats like heat and insects, they are hearty in other ways. They are sun-loving trees that can thrive even when human activity like logging disrupts other tree ...

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It is, of course, aspen putting on the dazzling displays. This is our celebrated tree of fall, the quaking aspen so named for those leaves that quake or flicker in the breeze, twinkle in the sun ...

made up of 47,000 tree trunks covering 106 acres and weighing some 13 million pounds, is real. It’s a single organism, a quaking aspen that began life as a single seed—possibly tens of ...