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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
Filters
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
238
of 1105 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Name
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Download CSV table of these results
Acanthoceras
Acanthoceras zachariasii
Achnanthidium
Achnanthidium rosenstockii
Achnanthidium subhudsonis var. kraeuselii
Achnanthidium minutissimum
Adlafia
Adlafia suchlandtii
Adlafia detenta
Amphora
Amphora delphinea var. minor
Aneumastus
Aneumastus minor
Anomoeoneis
Anomoeoneis capitata
Anomoeoneis sphaerophora f. rostrata
Anomoeoneis sphaerophora
Anomoeoneis costata
Anomoeoneis sculpta
Asterionella
Asterionella formosa
Asterionella ralfsii var. americana
Aulacoseira
Aulacoseira granulata var. angustissima
Aulacoseira pusilla
Aulacoseira newjerseyana
Aulacoseira islandica
Bacillaria
Bacillaria paxillifera
Brachysira
Brachysira subtilis
Brachysira follis
Campylodiscus
Campylodiscus clypeus
Capartogramma
Capartogramma crucicula
Cavinula
Cavinula jaernefeltii
Cavinula lapidosa
Cavinula variostriata
Chamaepinnularia
Chamaepinnularia hassiaca
Chamaepinnularia krasskei
Chamaepinnularia witkowskii
Chamaepinnularia gandrupii
Chamaepinnularia krookii
Cocconeis
Cocconeis czarneckii
Cocconeis grovei
Craticula
Craticula subminuscula
Craticula cuspidata
Cyclotella
Cyclotella kingstonii
Cymbella
Cymbella affiniformis
Cymbella tumida
Cymbella mexicana var. kamtschatica
Cymbellafalsa
Cymbellafalsa diluviana
Cymbopleura
Cymbopleura amphicephala
Cymbopleura maggieae
Cymbopleura subaequalis
Cymbopleura elliptica
Cymbopleura incerta
Cymbopleura austriaca
Delicatophycus
Delicatophycus tundraphilus
Delicatophycus canadensis
Denticula
Denticula kuetzingii
Diploneis
Diploneis puellafallax
Diploneis submarginestriata
Diploneis potapovae
Diploneis parma
Diploneis calcilacustris
Diploneis galloprovincialis
Diploneis boldtiana
Diploneis doncharlesii
Diploneis krammeri
Diploneis mollenhaueri
Discostella
Discostella lacuskarluki
Discostella asterocostata
Distrionella
Distrionella incognita
Encyonema
Encyonema leibleinii
Encyonema nicafei
Encyonema reimeri
Encyonopsis
Encyonopsis alpina
Eolimna
Eolimna metafarta
Eolimna aboensis
Epithemia
Epithemia musculus
Epithemia adnata
Epithemia alpestris
Epithemia gibba
Eucocconeis
Eucocconeis flexella
Eunotia
Eunotia orthohedra
Eunotia tecta
Eunotia bidentula
Eunotia mucophila
Eunotia zasuminensis
Eunotia triodon
Fallacia
Fallacia californica
Fragilaria
Fragilaria cyclopum
Frustulia
Frustulia pseudomagaliesmontana
Geissleria
Geissleria declivis
Genkalia
Genkalia digitulus
Gomphoneis
Gomphoneis herculeana
Gomphonella
Gomphonella hutchinsoniana
Gomphonella fogedii
Gomphonella olivacea
Gomphonema
Gomphonema lagenula
Gomphonema louisiananum
Gomphonema coronatum
Gomphonema vibrioides
Gomphosinica
Gomphosinica geitleri
Gomphosphenia
Gomphosphenia stoermeri
Grunowia
Grunowia tabellaria
Grunowia sinuata
Gyrosigma
Gyrosigma obscurum
Hantzschia
Hantzschia amphioxys
Humidophila
Humidophila schmassmannii
Humidophila contenta
Humidophila perpusilla
Iconella
Iconella bifrons
Iconella guatimalensis
Kobayasiella
Kobayasiella madumensis
Lindavia
Lindavia affinis
Lindavia bodanica
Mastogloia
Mastogloia lacustris
Melosira
Melosira varians
Melosira undulata
Navicula
Navicula vilaplanii
Navicula longicephala
Navicula canalis
Navicula seibigiana
Navicula cryptocephala
Navicula gregaria
Navicula capitatoradiata
Navicula notha
Navicula rostellata
Navicula trivialis
Navicula reinhardtii
Navicula escambia
Navicula wildii
Navicula cari
Navicula lanceolata
Navicula tripunctata
Navicula whitefishensis
Navicula viridula
Navicula hasta
Navicula radiosa
Navicula aurora
Navicula oblonga
Navicula nunivakiana
GC
Navicymbula
Navicymbula pusilla
Neidiomorpha
Neidiomorpha binodiformis
Neidium
Neidium densestriatum
Neidium pseudodensestriatum
Neidium hercynicum
Neidium distinctepunctatum
Neidium hitchcockii
Neidium sacoense
Neidium amphigomphus
Neidium dilatatum
Neidium iridis
Nitzschia
Nitzschia inconspicua
Nitzschia soratensis
Nitzschia oligotraphenta
Nupela
Nupela decipiens
Peronia
Peronia fibula
Pinnularia
Pinnularia pluvianiformis
Pinnularia subanglica
Pinnularia divergentissima
Pinnularia borealis
Pinnularia gibbiformis
Pinnularia subcapitata var. elongata
Pinnularia scotica
Pinnularia wisconsinensis
Pinnularia brauniana
Pinnularia feremorosa
Pinnularia subgibba var. sublinearis
Pinnularia polyonca var. stidolphii
Pinnularia subgibba var. undulata
Pinnularia undula
Pinnularia turgidula
Pinnularia turfosiphila
Pinnularia lokana
Pinnularia cardinaliculus
Pinnularia macilenta
Pinnularia socialis
Pinnularia cuneicephala
Pinnularia kwacksii
Pinnularia undula var. major
Pinnularia clericii
Pinnularia formica
Pinnularia subgibba
Pinnularia streptoraphe
Pinnularia rexlowei
Pinnularia bihastata
Pinnularia spinifera
Pinnularia transversa
Pinnularia pulchella var. canadensis
Pinnularia torta
Pinnularia pulchella
Pinnularia nobilis var. regularis
Pinnularia dariana
Pinnularia ectorii
Pinnularia alabamae
Pinnunavis
Pinnunavis elegans
Planothidium
Planothidium incuriatum
Planothidium amphibium
Planothidium lanceolatoides
Planothidium joursacense
GC
Platessa
Platessa stewartii
Pleurosigma
Pleurosigma delicatulum
Prestauroneis
Prestauroneis protracta
Psammothidium
Psammothidium rossii
Psammothidium subatomoides
Psammothidium sacculus
Psammothidium obliquum
Pseudostaurosira
Pseudostaurosira elliptica
Pulchellophycus
Pulchellophycus schwabei
Reimeria
Reimeria sinuata f. antiqua
Rossithidium
Rossithidium nodosum
Sellaphora
Sellaphora atomoides
Sellaphora subbacillum
Sellaphora disjuncta
Semiorbis
Semiorbis hemicyclus
Semiorbis eliasiae
Skabitschewskia
Skabitschewskia oestrupii
Skabitschewskia peragalloi
Stauroneis
Stauroneis thermicola
Stauroneis staurolineata
Stauroneis terryi
Staurophora
Staurophora tackei
Staurosira
Staurosira stevensonii
Staurosirella
Staurosirella berolinensis
Staurosirella martyi
Staurosirella neopinnata
Stephanodiscus
Stephanodiscus hantzschii f. tenuis
Stephanodiscus oregonicus
Stephanodiscus reimeri
Surirella
Surirella pinnata
Surirella undulata
Surirella internationalis
GC
Tabularia
Tabularia fasciculata
Tetracyclus
Tetracyclus emarginatus
Thalassiosira
Thalassiosira weissflogii
Thalassiosira lacustris
Tryblionella
Tryblionella calida
Tryblionella brunoi
Tryblionella plana var. fennica
Tryblionella scalaris
Ulnaria
Ulnaria goulardii
Ulnaria contracta
Ulnaria acus
Ulnaria delicatissima
Ulnaria capitata
Urosolenia
Urosolenia eriensis