Taxon Contributors
Contributors produce comprehensive documentation on diatoms, leading to consistent and correct taxonomy.
Applications for Early Career Researcher grants are due 30 September!
Applications for Early Career Researcher grants are due 30 September!
https://isdr.org/how-to-apply/
https://isdr.org/how-to-apply/
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
27 September 2023
In memoriam: Andrzej Witkowski
We say goodbye to a prominent scientist, an authority in palaeooceanology, a valued teacher and mentor. Andrzej Witkowski began working at the...
26 September 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...
26 September 2023
WEBINAR: Big data in paleolimnology: unraveling trends and drivers of nutrient accumulation and lake productivity at a global scale
Description: Paleolimnological studies provide a unique opportunity to explore multi-decadal trends and patterns in lake ecosystems. Such...
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.
