501 | Deschampsia |
502 | Frangula alnus |
503 | Festuca arundinacea |
504 | Lampetra |
505 | Spiraea salicifolia |
506 | Silene |
507 | Hippocrepis |
508 | Cladophora |
509 | Ceratium |
510 | Alopecurus |
511 | Isolepis |
512 | Bolboschoenus maritimus |
513 | Agrostis |
514 | Potamogeton x nitens |
515 | Eriocaulon aquaticum |
516 | Juncus subnodulosus |
517 | Laboratory analysis of water samples, Sem at Priors Farm, Hampshire Avon catchment |
518 | Campanula rotundifolia |
519 | Isoetes echinospora |
520 | Cichlidae |
521 | Gasterosteidae |
522 | Thalictrum flavum |
523 | Osmeridae |
524 | Luzula |
525 | Lathraea squamaria |