Non-native species subject to restrictions under Regulations 49 and 50 of S.I. No. 477/2011 – European Communities (Birds and Natural Habitats) Regulations 2011.
The species listed below may also be subject to restrictions under other legislation.
| First column |
Second column |
Third column |
| Common name |
Scientific name |
Geographical application |
| American skunk-cabbage |
Lysichiton americanus |
Throughout the State |
| A red alga |
Grateloupia doryphora |
Throughout the State |
| Brazilian giant-rhubarb |
Gunnera manicata |
Throughout the State |
| Broad-leaved rush |
Juncus planifolius |
Throughout the State |
| Cape pondweed |
Aponogeton distachyos |
Throughout the State |
| Cord-grasses |
Spartina (all species and hybrids) |
Throughout the State |
| Curly waterweed |
Lagarosiphon major |
Throughout the State |
| Dwarf eel-grass |
Zostera japonica |
Throughout the State |
| Fanwort |
Cabomba caroliniana |
Throughout the State |
| Floating pennywort |
Hydrocotyle ranunculoides |
Throughout the State |
| Fringed water-lily |
Nymphoides peltata |
Throughout the State |
| Giant hogweed |
Heracleum mantegazzianum |
Throughout the State |
| Giant knotweed |
Fallopia sachalinensis |
Throughout the State |
| Giant-rhubarb |
Gunnera tinctoria |
Throughout the State |
| Giant salvinia |
Salvinia molesta |
Throughout the State |
| Himalayan balsam |
Impatiens glandulifera |
Throughout the State |
| Himalayan knotweed |
Persicaria wallichii |
Throughout the State |
| Hottentot-fig |
Carpobrotus edulis |
Throughout the State |
| Japanese knotweed |
Fallopia japonica |
Throughout the State |
| Large-flowered waterweed |
Egeria densa |
Throughout the State |
| Mile-a-minute weed |
Persicaria perfoliata |
Throughout the State |
| New Zealand pigmyweed |
Crassula helmsii |
Throughout the State |
| Parrots feather |
Myriophyllum aquaticum |
Throughout the State |
| Rhododendron |
Rhododendron ponticum |
Throughout the State |
| Salmonberry |
Rubus spectabilis |
Throughout the State |
| Sea-buckthorn |
Hippophae rhamnoides |
Throughout the State |
| Spanish bluebell |
Hyacinthoides hispanica |
Throughout the State |
| Three-cornered leek |
Allium triquetrum |
Throughout the State |
| Wakame |
Undaria pinnatifida |
Throughout the State |
| Water chestnut |
Trapa natans |
Throughout the State |
| Water fern |
Azolla filiculoides |
Throughout the State |
| Water lettuce |
Pistia stratiotes |
Throughout the State |
| Water-primrose |
Ludwigia (all species) |
Throughout the State |
| Waterweeds |
Elodea (all species) |
Throughout the State |
| Wireweed |
Sargassum muticum |
Throughout the State |
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