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Making America's Best Idea Even Better
Yosemite National ParkSnowy Half Dome
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Yosemite National Park
Vegetation Species List
 
Yellow flowers amongst large leaves

See woolly mule-ears on a wildflower walk.
Face of a ranger
Study the Scientist
Watch a video of the park's invasive plant botanist in the field
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Yellow flower with spikes
Pretty But Not Petty
Star-thistle is one of many invasive plants in Yosemite. Why are invasive plants harmful?
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Black oak leaves
Oaks stand as a Yosemite icon
Why are these valuable trees in decline?
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Rockfall area and talus slope at base of Three Brothers in Yosemite Valley.  

Did You Know?
In March 1987, the largest historical rockfall in Yosemite National Park deposited an estimated 1.5 million tons of debris at the base of Three Brothers, closing Northside Drive for several months.

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Last Updated: April 03, 2009 at 01:32 EST