Taxon Contributors
Contributors produce comprehensive documentation on diatoms, leading to consistent and correct taxonomy.
North American Diatom Symposium, Iowa Lakeside Lab, October 2-6, 2024
North American Diatom Symposium, Iowa Lakeside Lab, October 2-6, 2024
North American Diatom Symposium, Iowa Lakeside Lab, October 2-6, 2024
North American Diatom Symposium, Iowa Lakeside Lab, October 2-6, 2024
Become a taxon contributor Learn more
Diatoms of North America is a collaborative work in progress, growing and changing as science advances.
Taxa by Morphology
New to diatoms? Jump into diatom identification using the visual key.
Editorial Review Board
Using diatoms in assessment? Specify the use of Diatoms of North America in contracts and task agreements.
What are Diatoms?
Diatoms are single-celled algae that live nearly everywhere there is water - streams, ponds, lakes, oceans, and even soils.
For practitioners
Taxon
Identification Guide
Genera
Classification information, citations, links and species listings for 198 genera completed to date.
Species
Identification guides, original descriptions, citations, autecological information and more for 1105 species and growing.
We encourage new contributors to submit taxon pages.
This project depends on many people to document the diverse diatom flora of streams, rivers, wetlands, lakes, springs, soils, estuaries and coastal zones.
Recent News & Projects
04 November 2024
Diatom Web Academy 2024
Diatom Web Academy is back after the summer break! Join us for our fall series. Would you like to be part of Diatom Web Academy? We welcome...
04 November 2024
Baltic Sea Matters
We are particularly interested in diatoms and the role they play both for the Baltic Sea ecosystem and for the people in this region. We ask...
31 October 2024
Announcing the 2025 International Diatom Symposium!
We are looking forward to welcoming you in South Africa! SCIENTIFIC PROGRAM Our program will commence on the evening of 03 August with a welcome...
Diatoms of North America has been developed in part with the generous funding and support of US EPA, USGS, the Institute of Arctic and Alpine Research at University of Colorado Boulder and other organizations.
