March 11, 2013

Ontario’s invasive aquatic plant list

Common nameScientific name
Brazilian Waterweedfootnote *Egeria densa
Curly-Leaved PondweedPotamogeton crispus
Eurasian Water-MilfoilMyriophyllum spicatum
Eurasian and Northern Milfoil hybridMyriophyllum spicatum x M. sibiricum
European Frog-Bitfootnote *Hydrocharis morsus-ranae
European Lake SedgeCarex acutiformis
European Water Chestnutfootnote *Trapa natans
Fanwortfootnote *Cabomba caroliniana
Flowering RushButomus umbellatus
Hydrillafootnote *Hydrilla verticillata
Parrotfeatherfootnote *Myriophyllum aquaticum
Phragmites also known as European Common ReedPhragmites australis subsp. australis
Purple LoosestrifeLythrum salicaria
Rough (Great) Manna GrassGlyceria maxima
Yellow IrisIris pseudacorus
Water HyacinthEichhornia crassipes
Water LettucePistia stratiotes
Watermoss-Salvinia speciesSalvinia 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