1801 | Herbarium Image: Carex nigra |
1802 | Herbarium Image: Cornus suecica |
1803 | Cyanothece, |
1804 | Herbarium Image: Chara vulgaris |
1805 | Herbarium Image: Veronica catenata |
1806 | Herbarium Image: Montia fontana |
1807 | Batrachospermum, |
1808 | Herbarium Image: Potamogeton obtusifolius |
1809 | Herbarium Image: Ceratophyllum demersum |
1810 | Herbarium Image: Circaea alpina |
1811 | Water pollution incidents in England and Wales 1994 : report summary |
1812 | Pesticides in the aquatic environment 1997 full report |
1813 | Herbarium Image: Utricularia intermedia |
1814 | Herbarium Image: Lythrum portula |
1815 | Trachelomonas, |
1816 | Closterium |
1817 | Spirogyra, |
1818 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
1819 | Trachelomonas, |
1820 | Managing water abstraction : towards a shared strategy : consultation response April 2000 |
1821 | Scherffeliomyces |
1822 | Sphaerocystis, |
1823 | Vampyrella, |
1824 | Trachelomonas, |
1825 | Navigation restoration and environmental appraisal: a guidance note |