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.

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 close up of the side of a tree with text

Hawkweed, Kingdevil

A close up of some yellow flowers with text

Hawkweed, Meadow

A yellow flower with the name of hawkeweed, mouse-ear.

Hawkweed, Mouse-Ear

A field of flowers with the words " hawweed, orange ".

Hawkweed, Orange

Two yellow flowers with the words " hawweed, smooth."

Hawkweed, Smooth

A yellow flower with green leaves on the ground.

Hawkweed, Spotted

A drawing of a plant with the words " hawweed, wall ".

Hawkweed, Wall

A close up of some yellow flowers with leaves

Hawkweed, Whiplash

A close up of some yellow flowers in the grass.

Hawkweed, Yellowdevil

A close up of the flowers on a plant

Himalayan Balsam

A field of white flowers with the words " hoary alyssum ".

Hoary Alyssum

A close up of some flowers in the grass

Hoary Cress

A close up of some purple flowers with text

Hounds-tongue

A close up of some plants with the word hydrilla

Hydrilla

A purple flower sitting on top of green plants.

Jimsonweed

A close up of some grass with the words jointed goatgrass

Jointed Goatgrass

A yellow flower with green leaves on the side.

Knapweed, Bighead

A close up of the flowers of knapweed, black.

Knapweed, Black

A pink flower with the name of knapweed, brown.

Knapweed, Brown

A close up of a plant with the text " knapweed, diffuse ".

Knapweed, Diffuse

A close up of the flower with text above it.

Knapweed, Hybrid

A close up of a flower with the text " knapweed, meadow ".

Knapweed, Meadow

A purple flower with green leaves in the background.

Knapweed, Russian

A close up of a flower with the text " knapweed, spotted ".

Knapweed, Spotted

A close up of some flowers with the text " knapweed, squarrose ".

Knapweed, Squarrose

A purple flower with green leaves in the background.

Knapweed, Tyrol

A close up of the leaves on a plant

Knotweed, Giant

A close up of the flowers on a plant

Knotweed, Himalayan

A plant with green leaves and white flowers.

Knotweed, Hybrid Japanese

A plant that is growing in the ground.

Knotweed, Japanese

A close up of the leaves on a plant

Leafy Spurge

A close up of the head of a plant

Medusahead