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 177 genera completed to date.
Species
Identification guides, original descriptions, citations, autecological information and more for 1034 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
The Colorado River is changing in dramatic ways
Science is a form of play, if you let your mind relax. Youth naturally have relaxed minds, and their playful and insightful questions flow out.
25 July 2022
Diatom Web Academy 2022
The Diatom Web Academy is getting ready for our fall series... Sessions are recorded and can be accessed for later viewing. You are invited to join...
24 July 2022
North American Diatom Symposium
The 26th North American Diatom Symposium (NADS) will be held September 21 - 25, 2022 in Brazil, Indiana. The symposium offers the opportunity for...
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.
