hazard lines

Most unwanted

Help to identify and report invasive non-native species that threaten Cumbria.

These identification sheets have been produced by the Non Native Species Secretariat and are available to download and print for free. If you have any problems identifying these species, please contact the Initiative Coordinator who will be glad to help.

If you identify an invasive non-native species in this list, please record your sighting by clicking here.

American skunk cabbage

Chinese mitten crab

Creeping water primrose

Floating pennywort

Giant hogweed

Himalayan balsam

Japanese knotweed

Killer shrimp

New Zealand pigmyweed / Australian swamp stonecrop

Parrots feather

Signal crayfish

Water fern

Zebra mussel - Coming soon

Himalayan balsam

Himalayan balsam

Floating pennywort

Floating pennywort