2276 | Nostoc, |
2277 | Stocking fish : a guide for fishery owners and anglers |
2278 | Herbarium Image: Utricularia minor |
2279 | Herbarium Image: Cochlearia officinalis |
2280 | Micractinium, |
2281 | Herbarium Image: Filipendula ulmaria |
2282 | Dinobryon bavaricum |
2283 | Paraleptophlebia tumida |
2284 | Cilate, |
2285 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
2286 | Decommissioning redundant boreholes and wells |
2287 | Demands and resources of water undertakers in England and Wales : preliminary report under Section 143(2)(a) Water Act 1989 |
2288 | Herbarium Image: Circaea x intermedia |
2289 | Hydra, |
2290 | Micrasterias, |
2291 | Herbarium Image: Festuca arundinacea |
2292 | Herbarium Image: Eupatorium cannabinum |
2293 | Spirogyra group, |
2294 | Herbarium Image: Helictotrichon pubescens |
2295 | Phacus, |
2296 | Herbarium Image: Undetermined |
2297 | Herbarium Image: Potamogeton x angustifolius |
2298 | Scenedesmus, |
2299 | Regional water quality monitoring and surveillance programme for 1992 : biological quality assessment of rivers |
2300 | Oscillatoria (Planktothrix), |