1. Algae
   The algae (singular alga) comprise several different groups of living organisms usually found in wet places or water bodies and that capture light energy through photosynthesis..
   http: //academickids.com/encyclopedia/index.php...
   
   
2. Algae: The Forgotten Treasure of Tidepools
   A gallery of our favorite green, brown, and red alga
   http: //sonoma.edu/biology/algae/algae.html
   
   
3. Diatoms.
   Information and images about Diatoms.
   http: //comet.net/gek/phytoc.htm
   
   
4. Dinoflagellates
   Information about Dinoflagellates. Includes dinoflagellate images.
   http: //comet.net/gek/phytob.htm
   
   
5. Harmful Algae
   This site has information about harmful algae, photographs,algae species and the effects on humans.
   http: //redtide.whoi.edu/hab/default.html
   
   
6. Introduction to the Green Algae
   The green algae is the most diverse group of algae, with more than 7000 species growing in a variety of habitats.
   http: //ucmp.berkeley.edu/greenalgae/greenalgae...
   
   
7. Seaweed Images and Descriptions
   A list of red, green and brown algae. Includes descriptions and pictures of algae.
   http: //seaweed.ucg.ie/