March 11, 2013

Ontario’s invasive aquatic plant list

Common name Scientific name
Brazilian Waterweedfootnote * Egeria densa
Curly-Leaved Pondweed Potamogeton crispus
Eurasian Water-Milfoil Myriophyllum spicatum
Eurasian and Northern Milfoil hybrid Myriophyllum spicatum x M. sibiricum
European Frog-Bitfootnote * Hydrocharis morsus-ranae
European Lake Sedge Carex acutiformis
European Water Chestnutfootnote * Trapa natans
Fanwortfootnote * Cabomba caroliniana
Flowering Rush Butomus umbellatus
Hydrillafootnote * Hydrilla verticillata
Parrotfeatherfootnote * Myriophyllum aquaticum
Phragmites also known as European Common Reed Phragmites australis subsp. australis
Purple Loosestrife Lythrum salicaria
Rough (Great) Manna Grass Glyceria maxima
Yellow Iris Iris pseudacorus
Water Hyacinth Eichhornia crassipes
Water Lettuce Pistia stratiotes
Watermoss-Salvinia species Salvinia molesta, S. auriculata, S. minima, S. natans
Water Soldierfootnote * Stratiotes aloides
photo of Purple Loosestrife.
Purple Loosestrife. Photo: Matt Smith
photo of European Frog-Bit.
European Frog-Bit. Photo: Wasyl Bakowsky, MNR
photo of Yellow Iris.
Yellow Iris. Photo: Dawn Sucee, OFAH

Visit Invasive species in Ontario