American Quaking Aspen -

: The white powder found on the bark acts as a natural sunscreen to protect the living tissue from intense high-altitude UV rays. Ecological Resilience

: The constant movement helps dissipate heat during summer. One Organism, Thousands of Trunks american quaking aspen

: Because they share DNA, every tree in a clone will leaf out in the spring and turn golden-yellow in the fall at the exact same time. Living Bark and Sunscreen : The white powder found on the bark