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Yellow Iris

Yellow Iris

Yellow Iris  Home 9 Invaders 9 Category: Aquatic Plants Background Yellow iris, or yellow flag iris, is a perennial aquatic plant native to Europe, Western Asia, and North Africa. It was first introduced to North America in the 19th century as an...
Yellow Floating-heart

Yellow Floating-heart

Yellow Floating-heart  Home 9 Invaders 9 Category: Aquatic Plants Background Yellow floating-heart is a perennial aquatic plant native to Asia and Europe. Introduced to North America in the late 19th century, it has been used as an ornamental plant...
Water Soldier

Water Soldier

Water Soldier  Home 9 Invaders 9 Category: Aquatic Plants What is Ontario Doing? To prevent the further spread and introduction of this unwanted invader in the province, Ontario has regulated water soldier as a prohibited invasive species under...
Water Lettuce

Water Lettuce

Water Lettuce  Home 9 Invaders 9 Category: Aquatic Plants Background Water lettuce is a free-floating aquatic plant whose origins are uncertain. An explorer in Florida, during the 18th century was the first person to record its presence in North...
Water Hyacinth

Water Hyacinth

Water Hyacinth  Home 9 Invaders 9 Category: Aquatic Plants Background Water hyacinth is a free-floating, aquatic plant in the pickerel-weed family (Pontederiaceae spp.) imported into North America in 1884 for an exposition in New Orleans. New...
Starry Stonewort

Starry Stonewort

Starry Stonewort  Home 9 Invaders 9 Category: Aquatic Plants Background Starry stonewort is an invasive macroalgae native to northern Eurasia. It was introduced in North America through the St.Lawrence River in 1974 and was first identified in...