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Diatoms of North America

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Images 15965

Valve Morphogenesis 1

Yellowstonensis 4A Copy

Length Vs Frequency

annulus-geissleria-sem1

Internal Proximal Fissure

Nstaffordiae Sem Wholevalve

Karayevia Internal view

Terminal Raphe Fissure

Karayevia Internal view

Ocellulimbus Internal

Ocellulimbus External

No Terminal Raphe Fissure2

Ulacus 1093 60 4

Hywhamp Ill 2013 132 1

Pleurosira Laevis 002

cyclotella-colliculate

lindavia-colliculate

Round 1990 copulae

Round 1990 valvocopulae

Round 1990 theca

Arachnoidiscus ehrenbergii vola 1µm

Arachnoidiscus ornatus volae 1µm 1

Thalassiosira decipiens Langwarder Groden2 17 1

Thalassiosira decipiens Langwarder Groden2 18 1

Petroneis monilifera verdronken zwarte polder23 1

Petroneis monilifera verdronken zwarte polder72 1

Actinocyclus subtilis annulus BA1 st1383 0170 1

Synedrosphenia licmophoropsis annulus 4 arrow GU44 Y13 stub29 0035 1

Achnanthes - poroid cribra

Plagiogramma - reticulate cribra

Diploneis smithii - hymenes

Rhaphoneis amphiceros - rotae

Science direct dot com

Cerataulus turgidus 030

Coscinodiscus 004

Endictya oceanica 012

Pseudictyota dubia 05

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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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