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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
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Species
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11-100
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
205
of 1105 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Achnanthidium
Achnanthidium rosenstockii
Achnanthidium subhudsonis var. kraeuselii
Achnanthidium laticephalum
Achnanthidium pyrenaicum
Achnanthidium eutrophilum
Achnanthidium reimeri
Achnanthidium crassum
Achnanthidium kranzii
Achnanthidium alpestre
Achnanthidium minutissimum
Achnanthidium atomus
Achnanthidium gracillimum
Achnanthidium delmontii
Achnanthidium rivulare
Achnanthidium deflexum
Achnanthidium duthiei
Adlafia
Adlafia multnomahii
Adlafia suchlandtii
Adlafia detenta
Amphora
Amphora pediculus
Aulacoseira
Aulacoseira tenella
Aulacoseira humilis
Aulacoseira nivaloides
Aulacoseira nygaardii
Aulacoseira alpigena
Aulacoseira newjerseyana
Aulacoseira nivalis
Brachysira
Brachysira zellensis
Brachysira follis
Caponea
Caponea caribbea
Cavinula
Cavinula jaernefeltii
Cavinula cocconeiformis
Chamaepinnularia
Chamaepinnularia hassiaca
Chamaepinnularia soehrensis
Chamaepinnularia mediocris
Chamaepinnularia krasskei
Chamaepinnularia gandrupii
Cocconeis
Cocconeis pseudothumensis
Cocconeis neodiminuta
Craticula
Craticula subminuscula
Craticula molestiformis
Craticula citrus
Cyclostephanos
Cyclostephanos dubius
Cyclotella
Cyclotella atomus
Cymbella
Cymbella laevis
Cymbellafalsa
Cymbellafalsa diluviana
Denticula
Denticula creticola
Denticula subtilis
Diatoma
Diatoma moniliformis
Diploneis
Diploneis puella
Diprora
Diprora haenaensis
Discostella
Discostella pseudostelligera
Discostella lacuskarluki
Encyonema
Encyonema reichardtii
Encyonema evergladianum
GC
Encyonopsis
Encyonopsis lacusalpini
Encyonopsis minuta
Encyonopsis alpina
Encyonopsis subminuta
Encyonopsis microcephala
Encyonopsis thumensis
Encyonopsis perborealis
Encyonopsis bobmarshallensis
Encyonopsis hustedtii
Encyonopsis robusta
Encyonopsis kutenaiorum
Encyonopsis anacondae
Encyonopsis neerlandica
Encyonopsis falaisensis
Eunotia
Eunotia microcephala
Eunotia enischna
Eunotia orthohedra
Eunotia perpusilla
Eunotia cataractarum
Eunotia exigua
Eunotia trinacria
Eunotia rushforthii
Eunotia mucophila
Eunotia novaeangliae
Fallacia
Fallacia subhamulata
Fallacia hummii
Fragilaria
Fragilaria pennsylvanica
Fragilaria socia
Fragilariforma
Fragilariforma horstii
Frustulia
Frustulia pseudomagaliesmontana
Geissleria
Geissleria acceptata
Gliwiczia
Gliwiczia calcar
Gogorevia
Gogorevia exilis
Gogorevia rostellata
Gomphonema
Gomphonema consector
Gomphonema pygmaeum
Gomphosphenia
Gomphosphenia stoermeri
Grunowia
Grunowia solgensis
Halamphora
Halamphora thumensis
Halamphora subtilis
Hippodonta
Hippodonta pseudacceptata
Humidophila
Humidophila schmassmannii
Humidophila undulata
Humidophila contenta
Humidophila perpusilla
Hygropetra
Hygropetra balfouriana
Karayevia
Karayevia amoena
Karayevia nitidiformis
Karayevia laterostrata
Karayevia ploenensis var. gessneri
Kobayasiella
Kobayasiella micropunctata
Krasskella
Krasskella kriegeriana
Lindavia
Lindavia ocellata
Lindavia rossii
Lindavia radiosa
Mastogloia
Mastogloia pseudosmithii
Mastogloia calcarea
Mayamaea
Mayamaea cahabaensis
Meridion
Meridion anceps
Microcostatus
Microcostatus krasskei
Nanofrustulum
Nanofrustulum cataractarum
Navicula
Navicula ingenua
Navicula goersii
Navicula vilaplanii
Navicula caterva
Navicula longicephala
Navicula trilatera
Navicula hodgeana
GC
Ninastrelnikovia
Ninastrelnikovia gibbosa
Nitzschia
Nitzschia inconspicua
Nitzschia innominata
Nitzschia microcephala
Nitzschia fonticoloides
Nitzschia soratensis
Nitzschia acicularis
Nitzschia siliqua
GC
Nupela
Nupela carolina
Nupela neglecta
Nupela vitiosa
Nupela wellneri
Nupela tenuicephala
Nupela fennica
Nupela potapovae
Nupela elegantula
Oxyneis
Oxyneis binalis
Placoneis
Placoneis anglophila
Planothidium
Planothidium rostratoholarcticum
Planothidium abbreviatum
Platessa
Platessa bahlsii
Platessa kingstonii
Platessa lutheri
Platessa conspicua
Platessa oblongella
Psammothidium
Psammothidium microscopicum
Psammothidium didymum
Psammothidium semiapertum
Psammothidium levanderi
Psammothidium rossii
Psammothidium subatomoides
Psammothidium scoticum
Psammothidium pennsylvanicum
Psammothidium sacculus
Psammothidium lauenburgianum
Psammothidium acidoclinatum
Pseudofallacia
Pseudofallacia monoculata
Pseudostaurosira
Pseudostaurosira trainorii
Pseudostaurosira elliptica
Pseudostaurosira neoelliptica
Pseudostaurosira microstriata
Pseudostaurosira pseudoconstruens
Pseudostaurosira brevistriata
Punctastriata
Punctastriata mimetica
Reimeria
Reimeria sinuata f. antiqua
Rossithidium
Rossithidium nodosum
Rossithidium pusillum
Rossithidium petersenii
Rossithidium kriegeri
Rossithidium anastasiae
Sellaphora
Sellaphora saugerresii
Sellaphora nigri
Sellaphora pulchra
Sellaphora schadei
Sellaphora atomoides
Sellaphora stroemii
Sellaphora japonica
Sellaphora wallacei
Sellaphora stauroneioides
Semiorbis
Semiorbis hemicyclus
Simonsenia
Simonsenia delognei
Stauroneis
Stauroneis separanda
Stauroneis thermicola
Stauroneis kriegeri
Stauroneis bovbjergii
Stauroneis agrestis
Stauroneis pseudagrestis
Staurosira
Staurosira construens
Staurosira binodis
Staurosira construens var. venter
Staurosirella
Staurosirella pinnata
Staurosirella martyi
Staurosirella leptostauron
Staurosirella neopinnata
Staurosirella leptostauron var. dubia
Stephanodiscus
Stephanodiscus oregonicus
Stephanodiscus alpinus
Surirella
Surirella stalagma
Surirella atomus
Surirella suecica
Tabellaria
Tabellaria flocculosa
Tetracyclus
Tetracyclus rupestris