Researchers complete first comprehensive threat assessment of all US trees

Posted by Staff of goGardenNow on

Officials of the Morton Arboretum report, "For the first time, researchers have completed threat assessments for all 881 native tree species in the contiguous United States, resulting in a comprehensive checklist and synthesis that will serve as a critical baseline to guide future tree conservation efforts.

"The new assessment of U.S. trees reveals that 11-16% of in the contiguous 48 U.S. states are threatened with extinction, with the most common threat being invasive and problematic pests and diseases."

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