European rivers and lakes : assessment of their environmental state 1994 Kristensen, Peter | Hansen, Hans Ole |
Rote Listen und Artenlisten der Tiere und Pflanzen des deutschen Meeres- und Küstenbereichs der Ostsee 1996 Merck, Thomas | Nordheim, Henning von |
Red lists of biotopes, flora and fauna of the trilateral Wadden Sea area, 1995 1996 Nordheim, Henning von | Andersen, Ole Norden | Thissen, Johan, ed. |
Livre rouge des espèces menacées en France. Tome 2 : espèces marines et littorales menacées 1987 Beaufort, François de | Lacaze, Jean-Claude |
A land-ecological study of soils, vegetation, and plant diversity in Colombian Amazonia 1995 Duivenvoorden, Joost F. | Lips, Johanna M. |
Ecology and economy of a tropical dry forest in Madagascar 1996 Ganzhorn, Jörg U. | Sorg, Jean-Pierre |
The healing forest : medicinal and toxic plants of Northwest Amazonia 1990 Schultes, Richard Evan | Raffauf, Robert F. |
The rare vascular plants of Nova Scotia 1978 Argus, George W. | White, David J. | Maher, Robert V. | Keddy, Paul A. |