The original report was written by E.Norman and appeared in the Autumn 1997 magazine Number 438 on page 15. Click here to read the original report.
| Apium inundatum | Lesser Marshwort |
| Azolla filiculoides | Water Fern |
| Butomus umbellatus | Flowering Rush |
| Elodea canadensis | Canadian Waterweed |
| Elodea nutallii | Nutall's Waterweed |
| Linum usitatissimum | Flax |
| Mespilus germanica | Medlar |
| Sagittaria sagittifolia | Arrowhead |
| Salix eleagnos | Olive Willow |
| Securigera varia | Crown Vetch |
| Solidago gigantea | Early Golden-rod |