Cyanobacteria
- Information on this major group of bacteria, often misleadingly called blue-green algae, with some videos from the Microbiology Video Library.
- http://www.microbiologybytes.com/video/Cyanobacteria.html

Phytoplankton: Cyanobacteria
- Light micrograph of blue-green algae, a movie showing endosymbiosis and some quick facts.
- http://www.mbari.org/staff/conn/botany/phytoplankton/phytoplankton_cyanobacteria.htm

Tiny Fossils may be Earth’s Oldest Life
- Article from the New Scientist on studies by William Schopf of UCLA of certain ancient Australian rocks using a technique called laser Raman analysis.
- http://www.newscientist.com/article.ns?id=dn2001

Blue Green Algae
- Article describing these nitrogen-fixing algae, scientifically known as Cyanobacteria, their classification and their toxic and beneficial properties.
- http://www.murraybluegreenalgae.com/blue-green-algae.php

Chesapeake and Coastal Bay Life - Cyanobacteria
- About the "blue-green algae" found in Maryland in the Chesapeake Bay and tributaries, including species of Anabaena, Microcystis, Merismopedia, and Oscillatoria.
- http://www.dnr.state.md.us/bay/cblife/algae/cyano/index.html

Cyanogroup Genomics Knowledgebase
- Background information of cyanobacteria and cyanophage; data analysis - both DNA sequence and phylogenetic analysis and related links.
- http://www.cyanogroup.com/

CyanoNews
- A newsletter intended to provide cyanobacteriologists with a forum for rapid informal communication.
- http://www.richmond.edu/~jelhai/cyanonews/

Cyanosite
- Research and information about cyanobacteria, blue-green algae, and prochlorophytes. Includes image gallery, CyBib bibliographic database, a links library, protocols and media, directories, and announcements.
- http://www-cyanosite.bio.purdue.edu/