Photos

BRADFORD PEAR TREES (2 images)
BRADFORD PEAR TREES HAVE A WEAK STRUCTURE AND ARE PRONE TO SPLITTING.
Courtesy of Rich Mason, US Fish and Wildlife Service, Bugwood.org

CLOSE-UP OF BRADFORD PEAR FOLIAGE
Courtesy of Chuck Bargeron, University of Georgia, Bugwood.org

JAPANESE KNOTWEED
Courtesy of Tom Heutte, USDA Forest Service, Bugwood.org

CHEATGRASS INFESTATION
Courtesy of John M. Randall, The Nature Conservancy

HYDRILLA
A hydrilla-infested lake in Florida. Courtesy of Kelli Gladding, University of Florida, IFAS Center for Aquatic and Invasive Plants

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