The Target 10 Homepage co-ordinates actions and organisations in understanding and controlling problem species.

Ireland's National Plant
Conservation Strategy

is a response to the
Global Strategy for
Plant Conservation

This webpage acts as the focal point and clearing-house for progress in implementing this Strategy


National Botanic Gardens Home Page

vert bar Stage 2 Risk Assessment for plant taxa

ESTABLISHED TAXA
Total possible score 89 8 9 8 14 7 7 12 12 4 8
Lagarosiphon major 81 Aquatic 8 7 7 14 7 8 8 10 4 8
Gunnera tinctoria 68 Terrestrial 8 5 7 11 7 7 6 7 2 8
Elodea canadensis 65 Aquatic 8 3 6 13 7 8 6 7 3 4
Elodea nuttallii 65 Aquatic 8 3 6 13 7 8 6 7 3 4
Impatiens glandulifera 64 Terrestrial 8 3 6 13 7 8 6 6 2 5
Spartina anglica 64 Terrestrial 8 6 8 3 7 8 6 8 2 8
Fallopia japonica 63 Terrestrial 7 8 6 5 7 7 6 5 4 8
Hydrocotyle ranunculoides 62 Terrestrial 6 3 6 11 7 8 4 8 1 8
Azolla filiculoides 59 Aquatic 8 3 6 13 6 7 6 5 2 3
Carpobrotus edulis 59 Terrestrial 8 3 8 9 7 8 6 5 2 3
Egeria densa 59 Aquatic 8 3 6 13 6 7 6 5 2 3
Heracleum mantegazzianum 58 Terrestrial 8 2 6 4 7 8 8 7 2 6
Myriophyllum aquaticum 49 Terrestrial 6 4 6 9 6 8 2 5 1 2
POTENTIAL TAXA
Total possible score 97 8 12 6 19 8 8 12 12 4 8


Known pests in Britain, especially in west

Disphyma crassifolium Terrestrial


Known pests in Britain, liable to react to Climatic warming

Ailanthus altissima 60 Terrestrial 8 5 5 16 5 6 6 0 2 7
Paulownia tomentosa 56 Terrestrial 8 5 5 14 8 6 4 1 2 3
Salvinia molesta 82 Freshwater 4 12 5 17 5 8 9 10 4 8
Cabomba caroliniana 80 Freshwater 4 11 6 17 8 8 6 10 2 8
Robinia pseudoacacia Terrestrial


Taxa not yet in Britain, but with the potential to arrive in Ireland by other means

Ludwigia peploides 80 Freshwater 6 10 6 19 6 7 6 9 4 7
Eichhornia crassipes 77 Freshwater 4 12 6 15 6 8 7 8 4 7
Ludwigia grandiflora / Ludwigia uruguayensis 75 Freshwater 8 6 6 16 6 7 6 9 4 7
Trapa natans 71 Freshwater 6 6 6 14 4 8 7 10 2 8
Pueraria montana var. lobata 70 Terrestrial 6 9 6 15 6 6 6 6 4 6

Stage 2 questions . . .