Taxon Contributors
Contributors produce comprehensive documentation on diatoms, leading to consistent and correct taxonomy.
diatoms.org
diatoms.org
diatoms.org
diatoms.org
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 187 genera completed to date.
Species
Identification guides, original descriptions, citations, autecological information and more for 1089 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
28 November 2023
OPPORTUNITY: Advanced Phytoplankton Course
The Advanced Phytoplankton Course series (APC) was initiated in the 1970s at the University of Oslo with the support of UNESCO and its...
22 November 2023
Diatom Web Academy 2023
Continuing in fall of 2023... Would you like to be part of Diatom Web Academy? We welcome participation by diatomists at every level. Being a host...
22 November 2023
WEBINAR: An improved SEM-based method for the forensic diatom test
Description: Diatoms exist extensively in rivers, lakes, and seas. With siliceous frustules, diatoms possess characteristics such as anti-acid...
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.
