A database of information on algae that includes terrestrial, marine and freshwater organisms.

Society information, resources, and links.

Publishes papers on all aspects of algae, including cyanobacteria.

Includes instructions on collecting and pressing seaweed, ideas for science and art activities..

On-line version of the Catalogue of Benthic Marine Algae of the Indian Ocean, with indexes, geographical lists, bibliographies, and search capacity.

Phycologists from the Northwestern United States and Western Canada: includes contact and activity information.

Information about the society dedicated to the study of algae, its publications and links to other phycological sites.

This site has a lot of information on all aspects of seaweeds and marine algal biology.