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Invasive species photo gallery

European marsh thistle (Cirsium palustre)

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

Photo by Steve Garske. Click for an enlarged version.

Photo by Steve Garske

Photo by Nisa Karimi. Click for an enlarged version.

Photo by Nisa Karimi

Photo by Nisa Karimi. Click for an enlarged version.

Photo by Nisa Karimi

Photo by Laura J. Herman. Click for an enlarged version.

Photo by Laura J. Herman

Photo by Nisa Karimi. Click for an enlarged version.

Photo by Nisa Karimi

Photo by Laura J. Herman. Click for an enlarged version.

Photo by Laura J. Herman

Photo by Nisa Karimi. Click for an enlarged version.

Photo by Nisa Karimi

Photo by Laura J. Herman. Click for an enlarged version.

Photo by Laura J. Herman

Photo by Steve Garske. Click for an enlarged version.

Photo by Steve Garske

Photo by Steve Garske. Click for an enlarged version.

Photo by Steve Garske

Photo by Dan Tenaglia Garske. Click for an enlarged version.

Photo by Dan Tenaglia Garske

Photo by Steve Garske. Click for an enlarged version.

Photo by Steve Garske

Photo by Steve Garske. Click for an enlarged version.

Photo by Steve Garske

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