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Invasive species photo gallery

Russian knapweed (Centaurea repens)

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

Photo by S. Kelly Kearns. Click for an enlarged version.

Photo by S. Kelly Kearns

Photo by John Randall. Click for an enlarged version.

Photo by John Randall

Photo by Steve Dewey. Click for an enlarged version.

Photo by Steve Dewey

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