The Provasoli-Guillard National Center for Marine Algae and Microbiota (NCMA) is the national marine phytoplankton collection, and is expanding to include marine bacteria and viruses. Formerly known as the Provsasoli-Guillard National Center for Culture of Marine Phytoplankton (CCMP), it is an integral part of Bigelow Laboratory for Ocean Sciences. The NCMA maintains over 2700 strains from around the world, the preponderance are marine phytoplankters but we also have benthic, macrophytic, freshwater, and heterotrophic organisms.
You can search our online catalog for strains using taxonomic, geographic, and other parameters. Strain records have (when available):