Purple Loosestrife (Lythrum salicaria L.)

PROJECT
Community Involvement in Monitoring Invasive Plants in Lake Saint-Pierre

Flowering Rush, Butomus umbellatus

Flowering-rush
(Butomus umbellatus L.)

Non-native Species in the Great Lakes–St. Lawrence Basin

Flora of the St. Lawrence:
plant diversity

Monitoring Vegetation and Biodiversity in St. Lawrence Wetlands: Development of Integrated Indicators

Purple Loosestrife, Lythrum salicaria

European Frog-bit, Hydrocharis morsus-ranae

European frog-bit
(Hydrocharis morsus-ranae L.)

Eurasian Watermilfoil, Myriophyllum spicatum