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Invasive Species Resources

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Washington Native Plant Society.
Pacific Biodiversity Institute (Washington).
Lake Champlain Land Trust.
Lake George Association (New York).

Rhode Island Wild Plant Society.

Lake George Association (New York).
Rhode Island Natural History Survey.
Rhode Island Natural History Survey.
New Hampshire Lakes Association.

Oregon Public Broadcasting.

Utah Weed Control Association.
Wallowa Resources (Oregon).
See also: Top Ten Weeds in Wallowa County for more fact sheets
Google. YouTube; New York State Flower Industries.