| 5476 | Herbarium Image: Luzula spicata |
|---|
| 5477 | Herbarium Image: Tofieldia pusilla |
|---|
| 5478 | Herbarium Image: Carex bigelowii |
|---|
| 5479 | Herbarium Image: Carex arenaria |
|---|
| 5480 | Herbarium Image: Elodea sp. |
|---|
| 5481 | Herbarium Image: Carex aquatilis |
|---|
| 5482 | Herbarium Image: Persicaria amphibia |
|---|
| 5483 | Herbarium Image: Persicaria amphibia |
|---|
| 5484 | Herbarium Image: Persicaria hydropiper |
|---|
| 5485 | Herbarium Image: Eleocharis palustris |
|---|
| 5486 | Herbarium Image: Persicaria amphibia |
|---|
| 5487 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 5488 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 5489 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 5490 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
|---|
| 5491 | Radiation Experiments on Aquatic Organisms |
|---|
| 5492 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
|---|
| 5493 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 5494 | River Cober catchment river water quality classification 1991 |
|---|
| 5495 | River Fal catchment river water quality classification 1990 |
|---|
| 5496 | Fact sheet for the RBCA tool kit for chemical releases |
|---|
| 5497 | River Fal catchment river water quality classification 1991 |
|---|
| 5498 | River Par and Crinnis catchment river water quality classification 1990 |
|---|
| 5499 | River Par and Crinnis catchment river water quality classification 1991 |
|---|
| 5500 | St Austell River and south Cornwall coastal streams catchment river water quality classification 1990 |
|---|
