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Invasive species photo gallery

Spiny naiad (Najas marina)

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

Photo by Kristian Peters. Click for an enlarged version.

Photo by Kristian Peters

Photo by Paul Skawinski. Click for an enlarged version.

Photo by Paul Skawinski

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, October 28, 2021