| 5676 | Herbarium Image: Tofieldia pusilla |
|---|
| 5677 | Herbarium Image: Carex bigelowii |
|---|
| 5678 | Herbarium Image: Carex arenaria |
|---|
| 5679 | Herbarium Image: Elodea sp. |
|---|
| 5680 | Herbarium Image: Carex aquatilis |
|---|
| 5681 | Herbarium Image: Persicaria amphibia |
|---|
| 5682 | Herbarium Image: Persicaria amphibia |
|---|
| 5683 | Herbarium Image: Persicaria hydropiper |
|---|
| 5684 | Herbarium Image: Eleocharis palustris |
|---|
| 5685 | Herbarium Image: Persicaria amphibia |
|---|
| 5686 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 5687 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 5688 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 5689 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
|---|
| 5690 | Radiation Experiments on Aquatic Organisms |
|---|
| 5691 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
|---|
| 5692 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 5693 | River Cober catchment river water quality classification 1991 |
|---|
| 5694 | River Fal catchment river water quality classification 1990 |
|---|
| 5695 | Fact sheet for the RBCA tool kit for chemical releases |
|---|
| 5696 | River Fal catchment river water quality classification 1991 |
|---|
| 5697 | River Par and Crinnis catchment river water quality classification 1990 |
|---|
| 5698 | River Par and Crinnis catchment river water quality classification 1991 |
|---|
| 5699 | St Austell River and south Cornwall coastal streams catchment river water quality classification 1990 |
|---|
| 5700 | A draft code of practice for analytical quality control in National Rivers Authority laboratories |
|---|
