The original report was written by John Swindells and appeared in the Spring 2006 magazine Number 465 on pages 32 and 33. Click here to read the original report.
| Achillea ptarmica | Sneezewort |
| Brassica nigra | Black mustard |
| Butomus umbellatus | Flowering Rush |
| Campanula patula | Spreading Bellflower |
| Ceterach officinarum | Rustyback |
| Chaenorhinum minus | Small Toadflax |
| Coronopus didymus | Lesser Swine-cress |
| Dipsacus pilosus | Small Teasel |
| Elodea canadensis | Canadian Waterweed |
| Euphorbia serrulata | Upright Spurge |
| Impatiens glandulifera | Himalayan Balsam |
| Kickxia elatine | Sharp-leaved Fluellen |
| Kickxia spuria | Round-leaved Fluellen |
| Mentha x verticillata | Whorled Mint |
| Mentha suaveolens | Round-leaved Mint |
| Myosoton aquaticum | Water Chickweed |
| Nicotiana x sanderae | Tobacco Plant |
| Oxalis stricta | Upright Yellow-sorrel |
| Potamogeton perfoliatus | Perfoliate Pondweed |
| Ranunculus fluitans | River Water-crowfoot |
| Ranunculus sardous | Hairy Buttercup |
| Raphanus raphanistrum ssp. raphanistrum | Wild Radish |
| Securigera varia | Crown Vetch |
| Tanacetum vulgare | Tansy |
| Tilia cordata | Small-leaved Lime |