1651 | Herbarium Image: Paris quadrifolia |
1652 | Herbarium Image: Elodea nuttallii |
1653 | Sporangium |
1654 | Eudorina, |
1655 | Mesotaenium, |
1656 | Software profile - user manual for TFFOR |
1657 | Herbarium Image: Nasturtium x sterile |
1658 | Euglena, |
1659 | Herbarium Image: Elodea nuttallii |
1660 | Cladophora, |
1661 | Four cells |
1662 | Dunaliella, |
1663 | The Paris commission 1995 survey : report for England and Wales by the Environment Agency |
1664 | Vampyrella, |
1665 | Closterium infected by Myzocytium |
1666 | Vaucheria, |
1667 | Zygorhizidium |
1668 | Volvox, |
1669 | Herbarium Image: Carex flava |
1670 | Gloeotrichia, |
1671 | River quality classification 1985-1989 |
1672 | Didymosphenia, |
1673 | Herbarium Image: Eleocharis palustris |
1674 | Inshore environmental monitoring |
1675 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |