1601 | Fragilaria, |
1602 | Fisheries statistics 1994 : salmonid and freshwater fisheries statistics for England and Wales |
1603 | Herbarium Image: Oenanthe lachenalii |
1604 | Herbarium Image: Carex nigra |
1605 | Herbarium Image: Potamogeton filiformis |
1606 | Welsh sheep dip monitoring programme : 1999 |
1607 | Herbarium Image: Juncus bulbosus |
1608 | Herbarium Image: Galium palustre |
1609 | Herbarium Image: Dactylorhiza incarnata |
1610 | Marine phytoplankton : standard methodologies: final draft : biology laboratory procedures manual. Section C : test methods and procedures |
1611 | Herbarium Image: Ceratophyllum demersum |
1612 | Herbarium Image: Ranunculus peltatus |
1613 | Herbarium Image: Festuca arenaria var. arenaria |
1614 | River quality : July 1991 - June 1992 |
1615 | Herbarium Image: Chara vulgaris |
1616 | Mallomonas, |
1617 | Synedra, |
1618 | Herbarium Image: Osmunda regalis |
1619 | Herbarium Image: Hieracium murorum |
1620 | Herbarium Image: Tolypella prolifera |
1621 | Herbarium Image: Frangula alnus |
1622 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
1623 | Herbarium Image: Hydrocotyle vulgaris |
1624 | Spirulina, |
1625 | Spondylosium, |