European Communities (Birds and Natural Habitats) Regulations 2011 non-native invasive plant species A-Z (Updated 2018)

Common name

American skunk-cabbage

Brazilian giant-rhubarb

Broad-leaved rush

Cape pondweed

Cord-grasses

Curly waterweed

Dwarf eelgrass

Fanwort

Floating pennywort

Fringed water-lily

Giant hogweed

Giant knotweed

Giant-rhubarb

Giant salvinia

Himalayan balsam

Himalayan knotweed

Hottentot-fig

Japanese knotweed

Large-flowered waterweed

Mile-a-minute weed

New Zealand pigmyweed

Parrots feather

Red alga

Rhododendron

Salmonberry

Sea-buckthorn

Spanish bluebell

Three-cornered leek

Wakame

Water chestnut

Water fern

Water lettuce

Water-primrose

Waterweeds

Wireweed

Species name

Lysichiton americanus

Gunnera manicata

Juncus planifolius

Aponogeton distachyos

Spartina (all species and hybrids)

Lagarosiphon major

Zostera japonica

Cabomba caroliniana

Hydrocotyle ranunculoides

Nymphoides peltata

Heracleum mantegazzianum

Fallopia sachalinensis

Gunnera tinctoria

Salvinia molesta

Impatiens glandulifera

Persicaria wallichii

Carpobrotus edulis

Fallopia japonica

Egeria densa

Persicaria perfoliata

Crassula helmsii

Myriophyllum aquaticum

Grateloupia doryphora

Rhododendron ponticum

Rubus spectabilis

Hippophae rhamnoides

Hyacinthoides hispanica

Allium triquetrum

Undaria pinnatifida

Trapa natans

Azolla filiculoides

Pistia stratiotes

Ludwigia (all species)

Elodea (all species)

Sargassum muticum

Environment 

Terrestrial 

Terrestrial

Terrestrial 

Freshwater

Terrestrial 

Freshwater

Marine

Freshwater

Freshwater

Freshwater

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Freshwater

Terrestrial 

Terrestrial 

Freshwater 

Marine

Terrestrial  

Terrestrial 

Terrestrial 

Terrestrial 

Terrestrial 

Marine

Freshwater

Freshwater

Freshwater

Freshwater

Freshwater

Terrestrial

Risk score 

14

17

14

14

17

14

17

16

15

14

17

17

17

17

14

14

14

15

14

16

16

14

14

14

14

14

14

17

14

15

17

17

14

16

15