Select Page
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...
Parrot Feather

Parrot Feather

Parrot Feather  Home 9 Search query for: Round ( Page 9 ) What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated parrot feather as prohibited under the Invasive Species Act, 2015. For more information...
Hydrilla

Hydrilla

Hydrilla  Home 9 Search query for: Round ( Page 9 ) What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated hydrilla as prohibited under the Invasive Species Act, 2015. For more information on the...
Flowering Rush

Flowering Rush

Flowering Rush  Home 9 Search query for: Round ( Page 9 ) Background Flowering rush is a perennial aquatic plant native to Eurasia and Africa that grows in lakes, riparian zones, wetlands, and marshes. It was first brought to North America from Europe in...
Fanwort

Fanwort

Fanwort  Home 9 Search query for: Round ( Page 10 ) Background Fanwort is an invasive aquatic plant native to the southeastern United States and parts of South America. Today, it has invaded parts of the Crowe River watershed in central Ontario, as well...
European Water Chestnut

European Water Chestnut

European Water Chestnut  Home 9 Search query for: Round ( Page 10 ) What is Ontario Doing? To prevent the further spread and introduction of this unwanted invader in the province, Ontario has regulated European water chestnut as prohibited under...
European Frog-bit

European Frog-bit

European Frog-bit  Home 9 Search query for: Round ( Page 10 ) Background European frog-bit is an invasive aquatic plant native to Europe and parts of Asia and Africa. In 1932, the plant was brought from Europe to the Central Experimental Farm in Ottawa...