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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
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Contact Us
What are diatoms?
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Species
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Prostrate
Size Range,
µm
3
11-100
101-1000
1001-10000
10001-100000
100001-1000000
Length/Diameter,
µm
Width,
µm
Stria density
per 10 μm, near center
Motility
Non-motile
Weakly motile
Slightly motile
Moderately motile
Highly motile
Attachment
Unattached
Prostrate
Tube-Forming
Vertical
Habitat
Soils
Moist habitats
Benthic
Planktonic
Milieu
Rivers
Lakes
Wetlands
Springs
Splash zones
Estuaries
Neritic
Sea Ice
Colony
Solitary
Colonies occasional
Colonies common
Biological Condition Gradient
BCG 1
BCG 2
BCG 3
BCG 4
BCG 5
Distribution
Western rivers 2004
Southeast rivers 2014
Northeast rivers 2016
Northwest rivers 2015
California coastal rivers 2017
Northeast lake sediments
Nat. Eco. Obs. Network (NEON)
Great Lakes inventory
Nitrogen Fixer
Nitrogen Fixer
Rare
Rare
Extinct
Extinct
Filters
Displaying
165
of 1103 species
GC
Genus Considered
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Inland
Marine
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Achnanthidium
Achnanthidium laticephalum
Achnanthidium pyrenaicum
Achnanthidium eutrophilum
Achnanthidium reimeri
Achnanthidium kranzii
Achnanthidium alpestre
Achnanthidium minutissimum
Achnanthidium atomus
Achnanthidium gracillimum
Achnanthidium delmontii
Achnanthidium rivulare
Achnanthidium deflexum
Achnanthidium duthiei
Actinella
Actinella punctata
Amphora
Amphora pediculus
Amphora minutissima
Amphora copulata
Amphora ovalis
Aneumastus
Aneumastus pseudotusculus
Caloneis
Caloneis bacillum
Caloneis silicula
Cocconeis
Cocconeis pseudothumensis
Cocconeis neodiminuta
Cocconeis fluviatilis
Cocconeis cascadensis
Cocconeis pediculus
Cocconeis klamathensis
Cocconeis czarneckii
Cocconeis coreana
Cocconeis rugosa
Cocconeis placentula
Cocconeis grovei
Ctenophora
Ctenophora pulchella
Cymbellonitzschia
Cymbellonitzschia diluviana
Decussata
Decussata placenta
Denticula
Denticula tenuis
Diatoma
Diatoma moniliformis
Diatoma vulgaris
Diatoma tenuis
Diatoma ehrenbergii
Diatomella
Diatomella balfouriana
Encyonopsis
Encyonopsis subminuta
Encyonopsis microcephala
Epithemia
Epithemia sorex
Epithemia gibberula
Epithemia musculus
Epithemia adnata
Epithemia smithii
Epithemia turgida
Epithemia gibba
Eucocconeis
Eucocconeis laevis
Eucocconeis depressa
Eucocconeis alpestris
Eucocconeis flexella
Eunotia
Eunotia bidens
Eunotia bilunaris
Eunotia superbidens
Eunotia pseudoparallela
Eunotia formica
Eunotia metamonodon
Eunotia tauntoniensis
Fallacia
Fallacia tenera
Fallacia pygmaea
Fragilaria
Fragilaria pennsylvanica
Fragilaria socia
Fragilaria amphicephaloides
Fragilariforma
Fragilariforma acidobiontica
Gogorevia
Gogorevia rostellata
Gomphoneis
Gomphoneis herculeana
Gomphonema
Gomphonema superiorense
Gomphonema louisiananum
Gomphonema brebissonii
Gomphonema apicatum
Gomphonema americobtusatum
Gomphonema mexicanum
Gomphonema pusillum
Gomphonema truncatum
Gomphonema acuminatum
Gomphosphenia
Gomphosphenia grovei
Halamphora
Halamphora thumensis
Halamphora subtilis
Halamphora montana
Halamphora normanii
Halamphora oligotraphenta
Halamphora coffeiformis
Halamphora veneta
Hydrosera
Hydrosera whampoensis
Hygropetra
Hygropetra balfouriana
Karayevia
Karayevia clevei
Lemnicola
Lemnicola hungarica
Luticola
Luticola hamiltonii
Mastogloia
Mastogloia binotata
Mastogloia grevillei
Mastogloia lucayensis
Mastogloia albertii
Mastogloia floridensis
Melosira
Melosira normannii
Meridion
Meridion circulare var. constrictum
Meridion alansmithii
Navicula
Navicula salinarum
Navicula vulpina
Neidium
Neidium bisulcatum
Nitzschia
Nitzschia innominata
Nitzschia microcephala
Nitzschia perminuta
Nitzschia desertorum
Nitzschia palea var. debilis
Nitzschia minuta
Nitzschia palea var. tenuirostris
Nitzschia amphibia
Nitzschia communis
Nitzschia oregona
Nitzschia palea
Nitzschia brevissima
Nitzschia fonticola
Nitzschia exilis
Nitzschia columbiana
Nitzschia linearis
Odontidium
Odontidium mesodon
Oxyneis
Oxyneis binalis
Peronia
Peronia fibula
Planothidium
Planothidium potapovae
Planothidium incuriatum
Planothidium amphibium
Planothidium biporomum
Planothidium sheathii
Planothidium apiculatum
Planothidium lanceolatoides
Planothidium joursacense
GC
Platessa
Platessa stewartii
Platessa oblongella
Pleurosira
Pleurosira laevis
Psammothidium
Psammothidium microscopicum
Psammothidium didymum
Psammothidium levanderi
Psammothidium subatomoides
Psammothidium scoticum
Psammothidium nivale
Psammothidium acidoclinatum
Psammothidium chlidanos
Psammothidium daonense
Psammothidium bioretii
Psammothidium helveticum
Psammothidium lacustre
Psammothidium alpinum
Psammothidium obliquum
Pseudostaurosira
Pseudostaurosira pseudoconstruens
Reimeria
Reimeria sinuata
Reimeria sinuata f. antiqua
Rexlowea
Rexlowea navicularis
Rossithidium
Rossithidium nodosum
Rossithidium pusillum
Rossithidium petersenii
Sellaphora
Sellaphora bacillum
Skabitschewskia
Skabitschewskia peragalloi
Stauroneis
Stauroneis alabamae
Staurosirella
Staurosirella leptostauron var. dubia
Staurosirella rhomboides
Synedra
Synedra mazamaensis
Synedra famelica
Tabellaria
Tabellaria flocculosa
Terpsinoë
Terpsinoe musica
Tryblionella
Tryblionella calida
Tryblionella hungarica
Ulnaria
Ulnaria acus