BERNET
Baltic Eutrophical Regional Network.
BOING- Baltic On-Line Interactive Geographical and Environmental Information Service
Informationservice about eutrophication of the Baltic Sea.
Revised checklist of the Baltic Sea Phytoplankton (1.6Kb,PDF) (HELCOM)
Algae Image Laboratory, Bowling Green State University
Microscopic images of phytoplankton, Bowling Green State University
CYANOSITE, Biological Sciences, Purdue University, USA
Biological sciences, Purdue university.
The harmful algae page
Woods Hole Oceanographc Institution
IOC taxonomic Reference List of Toxic Plankton Algae
Intergovernmental Oceanographic Commission
Michael R. Martin's Phytoplankton Image Library
Baltic Sea Alien Species Database, Klaipeda University, Latvia
