2376 | Newby Beck Mitigation Sub-Catchment Monthly Grab Samples |
2377 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
2378 | Zoospores |
2379 | Atlantic Salmon Trust "scalereadings" September 2002
|
2380 | Stephanodiscus, |
2381 | Lemanea, |
2382 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
2383 | Herbarium Image: Osmunda regalis |
2384 | Herbarium Image: Potamogeton berchtoldii |
2385 | Herbarium Image: Stellaria graminea |
2386 | Enteromorpha, |
2387 | Herbarium Image: Glyceria declinata |
2388 | Herbarium Image: Tolypella glomerata |
2389 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
2390 | Herbarium Image: Paris quadrifolia |
2391 | Herbarium Image: Filipendula ulmaria |
2392 | Polycentropus flavomaculatus larva, |
2393 | Herbarium Image: Circaea x intermedia |
2394 | Cyclotella, |
2395 | Lateral sporangium of Trentepohlia, |
2396 | Tolypothrix, |
2397 | Oedogonium, |
2398 | Herbarium Image: Trisetum flavescens |
2399 | Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology |
2400 | Euglena, |