| 6651 | Herbarium Image: Luzula spicata |
|---|
| 6652 | Herbarium Image: Tofieldia pusilla |
|---|
| 6653 | Herbarium Image: Carex bigelowii |
|---|
| 6654 | Herbarium Image: Carex arenaria |
|---|
| 6655 | Herbarium Image: Elodea sp. |
|---|
| 6656 | Herbarium Image: Carex aquatilis |
|---|
| 6657 | Herbarium Image: Persicaria amphibia |
|---|
| 6658 | Herbarium Image: Persicaria amphibia |
|---|
| 6659 | Herbarium Image: Persicaria hydropiper |
|---|
| 6660 | Herbarium Image: Eleocharis palustris |
|---|
| 6661 | Herbarium Image: Persicaria amphibia |
|---|
| 6662 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 6663 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 6664 | Best Management Practices to Reduce Diffuse Pollution from Agriculture |
|---|
| 6665 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 6666 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
|---|
| 6667 | Radiation Experiments on Aquatic Organisms |
|---|
| 6668 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
|---|
| 6669 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 6670 | River Cober catchment river water quality classification 1991 |
|---|
| 6671 | River Fal catchment river water quality classification 1990 |
|---|
| 6672 | Fact sheet for the RBCA tool kit for chemical releases |
|---|
| 6673 | River Fal catchment river water quality classification 1991 |
|---|
| 6674 | River Par and Crinnis catchment river water quality classification 1990 |
|---|
| 6675 | River Par and Crinnis catchment river water quality classification 1991 |
|---|
