2176 | Colonial chlorophytes, |
2177 | Herbarium Image: Ceratophyllum demersum |
2178 | Herbarium Image: Ranunculus peltatus |
2179 | The National Centre for Toxic and Persistent Substances |
2180 | Surirella, |
2181 | Herbarium Image: Oxalis stricta |
2182 | Vampyrella, |
2183 | Kephyrion cupuliforme |
2184 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
2185 | Zoospores |
2186 | Atlantic Salmon Trust "scalereadings" September 2002
|
2187 | Stephanodiscus, |
2188 | Lemanea, |
2189 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
2190 | Herbarium Image: Osmunda regalis |
2191 | Herbarium Image: Potamogeton berchtoldii |
2192 | Herbarium Image: Stellaria graminea |
2193 | Enteromorpha, |
2194 | Herbarium Image: Glyceria declinata |
2195 | Herbarium Image: Tolypella glomerata |
2196 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
2197 | Herbarium Image: Paris quadrifolia |
2198 | Herbarium Image: Filipendula ulmaria |
2199 | Polycentropus flavomaculatus larva, |
2200 | Herbarium Image: Circaea x intermedia |