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Diatoms of North AmericaDiatoms of North America
Diatoms of North America
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Diatoms of North America

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Tursiocola gracilis orig desc
Tursiocola cymbelloides orig desc
Halamphora baleenicola orig desc
Eolimna metafarta orig desc
Achnanthes anastasiae orig illus
Brachysira microcephala orig illus
Achnanthes anastasiae orig illus 2
Achnanthes anastasiae orig illus
Achnanthes lutheri orig illus
Actinella punctata orig illus 1
Actinella punctata orig illus 2
Actinella punctata orig illus 3
Achnanthidium druarti orig illus
Achnanthidium druartii orig illus 2
Achnanthes kranzii orig illus
Achnanthes kriegeri LECTOTYPE
Achnanthes lanceolatoides orig illus
Amphora calumetica orig illus
Amphicampa eruca orig illus
Anomoneis fogedii orig illus
Asterionella ralfsii var. americana orig illus
Melosira distans var. alpigena orig illus
Melosira granulata var. angustissima orig illus
Melosira muzzanensis orig illus
 Melosira nivalis orig illus
Melosira distans var. nivaloides orig illus
Achnanthes holstii orig illus
Achnanthes kraeuselii orig illus
Achnanthidium rivularae orig illus
Achnanthes austriaca var. helvetica orig illus
Achnanthes lauenburgiana orig illus
Achnanthes petersenii orig illus
Achnanthes gessneri orig illus
Achnanthes rostellata orig illus
Achnanthes suchlandtii orig illus
Achnanthes coarctata orig illus
Achnanthes deflexa orig illus
Achnanthes deflexa orig illus 2
Adlafia multnomahii  SEM 2
Adlafia multnomahii  SEM 1
Adlafia multnomahii orig illus
Achnanthes eutrophila orig illus
Achnanthes felinophilia orig illus
Frustulia lanceolata orig desc
Achnnathes harveyi orig illus
Achnanthes inflata orig illus
Achnanthes kriegeri orig illus
Achnanthes longboardia orig illus
Achnanthes mauiensis orig illus
Achnanthes minutissima orig illus
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Diatoms of North America

The source for diatom identification and ecology

Cite as: Spaulding et al. 2021. Diatoms.org: supporting taxonomists, connecting communities. Diatom Research 36(4): 291-304. https://doi.org/10.1080/0269249X.2021.2006790

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