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Diatoms of North America

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Images 16205

Fragilaria aquaplus orig desc

Desmazières453 Fragilaria capucina type

Siver and Camfield 2007 S gracilis

Siver and Camfield 2007 S gracilis

G stonei orig desc

Adlafia ossiformis orig desc

Kobayasiella tursujuqensis orig desc

Adlafia Umiujaqensis orig desc

Sellaphora vincentiana orig desc

Amphora subcostulata original desc

Psammothidium marginulatum original description

Pseudostaurosira brevistriata var inflata original description

Rossithidium lineare original description

Sellaphora vitabunda orig desc

Aulacoseira distans orig desc

D Iploneis dilatata Orig Descr

Orig Descr Gyrosigma Sciotoense

Dbombus Orig Descr Ehr1844

Achnanthidium thienimannii orig desc

Nitzschia lacunicola orig desc

Gyrosigma Nodiferum Orig Descr

Nitzschia alaskana orig desc

Tursiocola ziemanii orig desc

Nitzschia sublinearis orig desc

Nitzschia palustris orig desc

Tursiocola ziemanii orig desc

Tursiocola varicopulifera orig desc

Tursiocola varicopulifera orig desc

Tursiocola costata orig desc

Tursiocola bondei orig desc

Tursiocola alata orig desc

Fragilaria Longifusiformis orig desc

Fragilaria longifusiformis orig desc

Tursiocola gracilis orig desc

Tursiocola cymbelloides orig desc

Halamphora baleenicola orig desc

Proschkinia vergostriata orig desc2

Proschkinia vergostriata orig desc1

Medlinella amphoroidea orig desc

Geissleria paludosa orig desc

Sellaphora parapupula orig desc

Original description grunow 1877

Screenshot 2026 06 08 144449

Stoermeria americana orig disc1

Stoermeria americana orig disc

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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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