Target Species

The Pond Watcher program monitors aquatic invasive species that are commonly planted in ornamental gardens, that are regulated invasive plants in Wisconsin, and that are relatively easy to identify with simple survey techniques. Below you’ll find our target species and identification resources for each species.

Submerged/Floating Plants

European frog-bit

Eurpoean frog-bit (Hydrocharis morsus-ranae): DNR fact sheet, USGS fact sheet, WIFDN video

parrotfeather

Parrot feather (Myriophyllum aquaticum):     DNR fact sheet, WIFDN video

water hyacinth

Water hyacinth (Eichhornia crassipes):       DNR fact sheet, UW Extension Lakes fact sheet, WIFDN video

water lettuce

Water lettuce (Pistia stratiotes):                    DNR fact sheet, USGS fact sheet, WIFDN video

yellow floating heart

Yellow floating heart (Nymphoides peltata):  DNR fact sheet, UW Extension Lakes fact sheet

 

Emergent/Shoreline Plants

flowering rush

Flowering rush (Butomus umbellatus):         DNR fact sheet, UW Extension Lakes fact sheet

lesser celandine

Lesser celandine (Ranunculus ficaria):         DNR fact sheet

yellow iris

Yellow iris (Iris pseudacorus): DNR fact sheet, UW Extension Lakes fact sheet