Taxonomic Certification - an informational webinar
Sylvia and the Diatom Taxonomic Certification Committee will present a live webinar on 20 November, 2019. YOU are invited to join the discussion...
Practitioners
Diatoms of North America is created by and for practitioners, people who work at the microscope and people who consider diatom ecology to solve environmental problems.
Taxon Updates
Stay current with genus and species pages as they are opened to public view. The most recent updates are posted here.
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Resources for Practitioners
Specialized resources for people using Diatoms of North America.
What has changed on Diatoms of North America?
Here, you can find links to archived genus and species pages. Gomphoneis olivaceum (prior to 2019_07_15) Diploneis krammeri (prior to...
What is a voucher flora?
Taxonomic Bias Datasets produced by different analysts are incompatible (Lee et al. 2019). Figure 1 illustrates a diatom survey, with each point...
Standardization of taxon authorship names
The taxon authorship names have been adjusted to the format established by The International Plant Names Index (IPNI). This index is the most...
Diatom Taxonomic Certification
Become a diatom taxonomist, certified by the Society for Freshwater Science. The Level 1 Diatom Taxonomic Certification indicates an up-to-date...
But I still haven't found what I'm looking for
The search function (upper left corner of each page) on Diatoms of North America allows practitioners to search for strings within a number of data...
Information for contributors
As the online taxonomic and ecological resource grows, we are seeking new contributors to submit taxon pages. This project depends on the...
Editorial Review Guidelines
GUIDELINES FOR SPECIES PAGE REVIEW One reviewer from the diatomist community will critique each taxon page before it becomes visible to the...
How are striae measured in centric diatoms?
The number of striae, or other rotational elements of centric diatoms, such as fascicles, costae, spines, rimoportulae, fultoportulae and other...
How and where do diatoms live: autecology tags
On each species page, in the autecology section, a series of autecology tags appear. The tags are categorical measures of diatom lifestyle and coded...
