Taxon Contributors
Contributors produce comprehensive documentation on diatoms, leading to consistent and correct taxonomy.
The origin of diatoms.org is Iowa Lakeside Laboratory
The North American Diatom Symposium will be held at Lakeside, October 2-6, 2024
Gene Stoermer started the Diatom Clinic in 1963; now David Burge and Victoria Chraibi carry on the tradition
A nice place to go on a fieldtrip with friends
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 197 genera completed to date.
Species
Identification guides, original descriptions, citations, autecological information and more for 1099 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
29 June 2024
OPPORTUNITY: MARDI Workshop in Aarhus, Denmark
The aim of the workshop is to study patterns in a large dataset of surface samples across the Arctic marine realm and link the diatom assemblages to...
17 June 2024
North American Diatom Symposium 2024
In celebration of 61 years of the Ecology and Systematics of Diatoms course that began at Iowa Lakeside Lab by Gene Stoermer, the North American...
17 June 2024
International Society for Diatom Research
The International Society for Diatom Research (isdr.org) promotes the study of marine, freshwater, modern, and fossil diatoms across the wide range...
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.
