| 6826 | Herbarium Image: Myriophyllum verticillatum |
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| 6827 | Herbarium Image: Myriophyllum spicatum |
|---|
| 6828 | Water quality in Anglian Region : the first five years |
|---|
| 6829 | Herbarium Image: Myriophyllum spicatum |
|---|
| 6830 | Herbarium Image: Oenanthe lachenalii |
|---|
| 6831 | Herbarium Image: Oenanthe aquatica |
|---|
| 6832 | Herbarium Image: Oenanthe aquatica |
|---|
| 6833 | Review of environmental statement Rive Axe option : implications for water quality |
|---|
| 6834 | Herbarium Image: Riccia fluitans |
|---|
| 6835 | Herbarium Image: Utricularia vulgaris |
|---|
| 6836 | Herbarium Image: Utricularia minor |
|---|
| 6837 | Herbarium Image: Utricularia intermedia |
|---|
| 6838 | Herbarium Image: Utricularia intermedia |
|---|
| 6839 | Herbarium Image: Utricularia intermedia |
|---|
| 6840 | Herbarium Image: Utricularia intermedia |
|---|
| 6841 | Herbarium Image: Utricularia intermedia |
|---|
| 6842 | Herbarium Image: Utricularia intermedia |
|---|
| 6843 | River Severn upper reaches catchment management plan : action plan : June 1995 |
|---|
| 6844 | Protecting Pentewan |
|---|
| 6845 | Herbarium Image: Utricularia vulgaris |
|---|
| 6846 | State of the environment report 2001 : West Midlands Region |
|---|
| 6847 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
|---|
| 6848 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
|---|
| 6849 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
|---|
| 6850 | Environmental progress made in a business like way : National Rivers Authority annual report and accounts 1992/93 |
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