Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
In 2002, Crater Lake National Park ecologist Michael Murray thought the park’s majestic whitebark pine trees were as good as gone. An invasive fungus called white pine blister rust was killing the ...
For all the attention we give our flower beds, trees are an indispensable part of our landscape. Oaks, pecans, magnolias and others add shade, character and beauty to our yards. But behind their ...
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