Invasive Plants - Alberta Invasive Species Council

Invasive Plants

Introduced plants that grow on land and in water that have no natural means of control and will spread quickly and reduce biodiversity.

PLEASE NOTE THAT TO ACCESS THE FACT SHEET FOR A SPECIES, CLICK ON THE THUMBNAIL IMAGE TO ACCESS THE FACT SHEET LINK.

A pink flower with purple petals on it.

Thistle, Nodding

A close up of a plant with purple flowers

Thistle, Plumeless

A close up of some yellow flowers with the text " toadflax, dalmation ".

Toadflax, Dalmation

A field of yellow flowers with trees in the background.

Toadflax, Yellow

A person holding a plant in front of water.

Water Soldier

A close up of some water plants with text

Watermilfoil, Variable-Leaf

A close up of the white flower with text

White Cockle

A close up of the wild parsnip plant

Wild Parsnip

A yellow flower and some green grass

Yellow Clematis

A yellow flag iris flower with green leaves.

Yellow Flag Iris

A yellow floating heart in the water.

Yellow Floating Heart