Learn
about invasive species in Wisconsin.
Subscribe
to the invasive species rules and regulations email list.
Report
an invasive species in your area.
Order
invasive species publications.
Contact information
DNR invasive species staff

Invasive species photo gallery

Hydrilla (Hydrilla verticillata)

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

Photo by David Sutton. Click for an enlarged version.

Photo by David Sutton

Photo by Kerry Dressler. Click for an enlarged version.

Photo by Kerry Dressler

Photo by Leslie Mehrhoff. Click for an enlarged version.

Photo by Leslie Mehrhoff

Photo by Alison Fox. Click for an enlarged version.

Photo by Alison Fox

Photo by Leslie Mehrhoff. Click for an enlarged version.

Photo by Leslie Mehrhoff

Photo by Elizabeth Czarapata. Click for an enlarged version.

Photo by Elizabeth 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, October 28, 2021