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Learn
about invasive species in Wisconsin.
Report
an invasive species in your area.
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invasive species publications.
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DNR invasive species staff

Invasive species photo gallery

Watercress (Nasturtium officinale)

Click on a photo for an enlarged version or return to all non-native or native invasive plant species.

Photo by Kenneth Sytsma. Click for an enlarged version.

Photo by Kenneth Sytsma

Photo by Kenneth Sytsma. Click for an enlarged version.

Photo by Kenneth Sytsma

Photo by Elizabeth J. Czarapata. Click for an enlarged version.

Photo by Elizabeth J. Czarapata

Photo by Elizabeth J. Czarapata. Click for an enlarged version.

Photo by Elizabeth J. Czarapata

Visit Wisconsin Vascular Plants [exit DNR], a Web site presented by the Wisconsin Herbarium, to view photos and learn more about these plant species, as well as the rest of Wisconsin's Flora.

Last revised: Thursday, July 18, 2013