1626 | Herbarium Image: Oenanthe lachenalii |
1627 | Herbarium Image: Carex nigra |
1628 | Herbarium Image: Potamogeton filiformis |
1629 | Welsh sheep dip monitoring programme : 1999 |
1630 | Herbarium Image: Juncus bulbosus |
1631 | Herbarium Image: Galium palustre |
1632 | Herbarium Image: Dactylorhiza incarnata |
1633 | Upgrading of Nox Reduction Equipment Fitted to Large Fossil Fuel Power Station Boilers |
1634 | Marine phytoplankton : standard methodologies: final draft : biology laboratory procedures manual. Section C : test methods and procedures |
1635 | Herbarium Image: Ceratophyllum demersum |
1636 | Herbarium Image: Ranunculus peltatus |
1637 | Herbarium Image: Festuca arenaria var. arenaria |
1638 | River quality : July 1991 - June 1992 |
1639 | Herbarium Image: Chara vulgaris |
1640 | Mallomonas, |
1641 | Synedra, |
1642 | Herbarium Image: Osmunda regalis |
1643 | Herbarium Image: Hieracium murorum |
1644 | Herbarium Image: Tolypella prolifera |
1645 | Herbarium Image: Frangula alnus |
1646 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
1647 | Herbarium Image: Hydrocotyle vulgaris |
1648 | Spirulina, |
1649 | Spondylosium, |
1650 | Euplotes, |