Tropical Marine Research

	Algal Research Group, National Museum of Natural History, Smithsonian Institution Basic information about algae including preservation, collections, major groups, bibliographies, etc
	AlgaeBase A database of information on algae (seaweed name search, etc.) that includes terrestrial, marine and freshwater organisms. University College of Ireland-Galway, by Michael Guiry.
	ReefBase - A Global Information System On Coral Reefs A database of information on coral reefs that includes GIS, maps, resources, management, etc.
	OffShore Graphics, Inc. Many of the Littlers books are available with this publisher
	Phycology Research Group at Ghent University Research on marine macroalgae ranging from taxonomy, evolution, ecology and biogeography.
	Marine Algae of Saba Banks. Virtual herbarium for marine plants of Saba Bank, Netherlands Antilles.