Boaters Call Water Hyacinth Plant Out of Control in Stockton

State officials say the Stockton waterfront has been treated 15 times this year.

KCRA News 3 (2:10)

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When is a Plant a Problem?

When is a pretty plant a problem? When it displaces native vegetation and disrupts the food chain. Doug Johnson is a Switzer Fellow working with private and government agencies to identify invading plants, arrest their spread and educate the public to healthy alternatives. (6:38)

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Invasive Species: Dangerous Travelers

In the battle to control the rapid spread of invasive plants, the USDA Forest Service San Dimas Technology and Development Center in partnership with the National Forest System Invasive Species Program, the US Department of Transportation Federal Highways Administration, the US Department of the Interior Fish and Wildlife Service, and the Pennsylvania Department of Transportation has developed a training video for road maintenance crews, "Dangerous Travelers: Controlling Invasive Plants Along America's Roadways." (26:02)

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