AlgaeBase - Information on the algae of the world, including terrestrial, marine, and freshwater forms. Search by genus, species, or common name. Includes images and references. Seaweed Site - Information on many aspects of seaweeds with links to other sites connected with these algae. Introduction to the Chromista: From Microbes to Giants - General discussion of the kingdom-level taxon Chromista, including diatoms, kelp, downy mildew, and other organisms that possess chlorophyll and are mostly photosynthetic, but are not plants. Includes links for more information. Protistan Phyla - Short articles and illustrations of the major groups of protists. Protist Image Data - Pictures and information on selected genera of algae and protozoa. Freakin Fucus - Introduction and technical information regarding seaweeds and phycology. Protist Information Server - Image database archiving more than 34,000 images (511 genera, 1944 species) and 556 movie clips for research and education. Droplet - Microscopy of the protozoa by Piotr Rotkiewicz - includes images, systematics, glossary, forum, and resources. Just what is this Stuff we call Algae? - Information on the freshwater algae likely to be found in a garden pond. Algae Description and Types - Algae are plant-like organisms that are usually photosynthetic and aquatic and this article describes the main phylogenetic groups. Flagellate - Information from Wikipedia on these unicellular organisms with one or more whip-like organelles called flagella. Although sharing this common structure, they are not a single taxonomic group. Protist - Information from Wikipedia on this group of organisms which cannot be classified as plants, animals or fungi. Acritarchs and Chitinozoa - Information on these organisms which have not yet been able to be classified, including their fossil record, biology and life cycle with a number of images of individual species. Freshwater Algae - Provides information on the varieties of algae and their classification with photomicrographs of example species of the main freshwater phyla. Introduction to the Sagenista - Information on the bicoecids and slime nets which form a basal group of chromists, the classification of which is unclear. Marine Algae of Northern California - About 16 photographs of species found in this region. Flagellated Protozoa - Article by Wim van Egmond introducing these organisms with photographs of Euglena, Peranema, Dinoflagellates and Spongomonas, and instructions on growing your own cultures. Marine Protozoa - Article by Jean-Marie Cavanihac on these organisms with photographs of many species. Marine Collection - Small photograph gallery of microscopic algae, phytoplankton and diatoms. Protozoa - Article from Wikipedia on the unicellular microbes that are traditionally classified as protozoans, based on their methods of locomotion. Protist Images: Heterokonta - Classification of these flagellates with a number of images of individual species. English and Japanese. Algae - A basic guide to algae including marine, freshwater and land species. The Center for Phycological Documentation - Information about algae and their taxonomy, including 'The Catalogue of the Benthic Marine Algae of the Indian Ocean,' and 'The Index Nominum Algarum,' a compendium of circa 200,000 algal names. Ohio University: Algae - Provides a directory of algal images and links to general information on algae.