| 6351 | Environmental quality standards to protect identified uses of controlled waters |
|---|
| 6352 | Mount's Bay and Lands End streams catchment river water quality classification 1991 |
|---|
| 6353 | Herbarium Image: Luzula pilosa |
|---|
| 6354 | Herbarium Image: Tofieldia pusilla |
|---|
| 6355 | Herbarium Image: Luzula spicata |
|---|
| 6356 | Herbarium Image: Tofieldia pusilla |
|---|
| 6357 | Herbarium Image: Carex bigelowii |
|---|
| 6358 | Herbarium Image: Carex arenaria |
|---|
| 6359 | Herbarium Image: Elodea sp. |
|---|
| 6360 | Herbarium Image: Carex aquatilis |
|---|
| 6361 | Herbarium Image: Persicaria amphibia |
|---|
| 6362 | Herbarium Image: Persicaria amphibia |
|---|
| 6363 | Herbarium Image: Persicaria hydropiper |
|---|
| 6364 | Herbarium Image: Eleocharis palustris |
|---|
| 6365 | Herbarium Image: Persicaria amphibia |
|---|
| 6366 | Herbarium Image: Schoenoplectus lacustris |
|---|
| 6367 | Herbarium Image: Schoenoplectus tabernaemontani |
|---|
| 6368 | A report on the use of pesticides at two Hampshire watercress farms |
|---|
| 6369 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
|---|
| 6370 | River Cober catchment river water quality classification 1991 |
|---|
| 6371 | River Fal catchment river water quality classification 1990 |
|---|
| 6372 | River Fal catchment river water quality classification 1991 |
|---|
| 6373 | River Par and Crinnis catchment river water quality classification 1990 |
|---|
| 6374 | River Par and Crinnis catchment river water quality classification 1991 |
|---|
| 6375 | St Austell River and south Cornwall coastal streams catchment river water quality classification 1990 |
|---|
