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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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Slightly motile
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
268
of 1103 species
GC
Genus Considered
Waterbody
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Inland
Marine
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Achnanthes
Achnanthes mauiensis
Achnanthes tumescens
Achnanthes undulorostrata
Achnanthes felinophila
Achnanthes longboardia
Achnanthes inflata
Achnanthidium
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 druartii
Achnanthidium deflexum
Achnanthidium duthiei
Adlafia
Adlafia suchlandtii
Amphora
Amphora pediculus
Amphora minutissima
Amphora copulata
Amphora ovalis
Brachysira
Brachysira subtilis
Caloneis
Caloneis fusus
Cavinula
Cavinula pseudoscutiformis
Cavinula vincentii
Cavinula lapidosa
Cavinula pusio
Cavinula cocconeiformis
Cavinula davisiae
Cavinula variostriata
Cavinula scutiformis
Chamaepinnularia
Chamaepinnularia soehrensis
Chamaepinnularia mediocris
Chamaepinnularia witkowskii
Cocconeis
Cocconeis pseudothumensis
Cocconeis fluviatilis
Cocconeis pediculus
Cocconeis klamathensis
Cocconeis rugosa
Cosmioneis
Cosmioneis hawaiiensis
Cosmioneis reimeri
Cymbella
Cymbella cosleyi
Cymbella excisiformis
Cymbella laevis
Cymbella affiniformis
Cymbella affinis
Cymbella subleptoceros
Cymbella parva
Cymbella tropica
Cymbella hustedtii
Cymbella neoleptoceros
Cymbella turgidula
Cymbella hantzschiana
Cymbella blinnii
Cymbella rumrichae
Cymbella subturgidula
Cymbella vulgata
Cymbella stigmaphora
Cymbella alpestris
Cymbella tumida
Cymbella proxima fo. gravida
Cymbella maggiana
Cymbella compacta
Cymbella neocistula var. islandica
Cymbella cymbiformis
Cymbella perfossilis
Cymbella aspera
Cymbella lanceolata
Cymbella designata
GC
Cymbopleura
Cymbopleura amphicephala
Cymbopleura naviculiformis
Cymbopleura angustata
Cymbopleura fluminea
Cymbopleura frequens
Cymbopleura oblongata
Cymbopleura maggieae
Cymbopleura subaequalis
Cymbopleura hybrida
Cymbopleura sublanceolata
Cymbopleura anglica
Cymbopleura laszlorum
Cymbopleura incerta
Cymbopleura metzeltinii
Cymbopleura rainierensis
Cymbopleura tynnii
Cymbopleura apiculata
Cymbopleura edlundii
Cymbopleura lata
Cymbopleura subcuspidata
Cymbopleura crassipunctata
Cymbopleura inaequalis
Cymbopleura heinii
Cymbopleura subrostrata
Delicatophycus
Delicatophycus tundraphilus
Diploneis
Diploneis texana
Encyonema
Encyonema montana
Encyonema minutum
Encyonema appalachianum
Encyonema procerum
Encyonema paucistriatum
Encyonema lunatum
Encyonema neogracile
Encyonema silesiacum
Encyonopsis
Encyonopsis lacusalpini
Encyonopsis minuta
Encyonopsis alpina
Encyonopsis thumensis
Encyonopsis bobmarshallensis
Encyonopsis hustedtii
Encyonopsis robusta
Encyonopsis krammeri
Encyonopsis kutenaiorum
Encyonopsis medicinalis
Encyonopsis albertana
Encyonopsis anacondae
Encyonopsis neerlandica
Encyonopsis descripta
Encyonopsis czarneckii
Encyonopsis dakotae
Encyonopsis descriptiformis
Encyonopsis falaisensis
Encyonopsis cesatii
Encyonopsis cesatiformis
Encyonopsis stafsholtii
Encyonopsis lacuscaerulei
Encyonopsis montana
Encyonopsis aequaliformis
GC
Eolimna
Eolimna metafarta
Eolimna aboensis
Eucocconeis
Eucocconeis laevis
Eucocconeis alpestris
Eucocconeis flexella
Eunotia
Eunotia microcephala
Eunotia enischna
Eunotia exigua
Eunotia trinacria
Eunotia rhomboidea
Eunotia rushforthii
Eunotia horstii
Eunotia subherkiniensis
Eunotia canicula
Eunotia papilioforma
Eunotia gibbosa
Eunotia sudetica
Eunotia boomsma
Eunotia nymanniana
Eunotia paludosa
Eunotia hexaglyphis
Eunotia bilii
Eunotia incisa
Eunotia tetraodon
Eunotia kociolekii
Eunotia faba
Eunotia areniverma
Eunotia montuosa
Eunotia richbuttensis
Eunotia mydohaimasiae
Eunotia diadema
Eunotia triodon
Eunotia macroglossa
Eunotia lewisii
Eunotia serra
Eunotia formica
Fallacia
Fallacia californica
Geissleria
Geissleria ignota
Genkalia
Genkalia digitulus
Gliwiczia
Gliwiczia calcar
Gogorevia
Gogorevia exilis
Gogorevia rostellata
Gomphoneis
Gomphoneis mammilla
Gomphonella
Gomphonella hutchinsoniana
Gomphonema
Gomphonema duplipunctatum
Gomphonema insularum
Gomphonema distans
Gomphonema nathorstii
Gomphonema americobtusatum
Halamphora
Halamphora montana
Halamphora latecostata
Humidophila
Humidophila schmassmannii
Humidophila undulata
Humidophila contenta
Humidophila perpusilla
Humidophila pantropica
Hygropetra
Hygropetra balfouriana
Karayevia
Karayevia amoena
Karayevia laterostrata
Karayevia ploenensis var. gessneri
Karayevia clevei
Kurtkrammeria
Kurtkrammeria aequalis
Kurtkrammeria subspicula
Kurtkrammeria lacusglacialis
Kurtkrammeria treinishii
Lemnicola
Lemnicola hungarica
Navicula
Navicula canalis
Navicula genovefae
GC
Navicymbula
Navicymbula pusilla
Neidium
Neidium hercynicum
Nupela
Nupela carolina
Nupela neglecta
Nupela vitiosa
Nupela tenuicephala
Nupela impexiformis
Nupela potapovae
Nupela elegantula
Nupela pennsylvanica
Nupela lapidosa
Nupela poconoensis
Nupela frezelii
Nupela subrostrata
Pinnularia
Pinnularia feremorosa
Planothidium
Planothidium rostratoholarcticum
Planothidium potapovae
Planothidium abbreviatum
Planothidium delicatulum
Planothidium reichardtii
Planothidium incuriatum
Planothidium amphibium
Planothidium biporomum
Planothidium apiculatum
Planothidium joursacense
GC
Platessa
Platessa bahlsii
Platessa kingstonii
Platessa hustedtii
Platessa stewartii
Platessa lutheri
Platessa conspicua
Platessa oblongella
Platessa strelnikovae
Proschkinia
Proschkinia browderiana
Psammothidium
Psammothidium microscopicum
Psammothidium didymum
Psammothidium semiapertum
Psammothidium levanderi
Psammothidium scoticum
Psammothidium pennsylvanicum
Psammothidium sacculum
Psammothidium lauenburgianum
Psammothidium nivale
Psammothidium acidoclinatum
Psammothidium chlidanos
Psammothidium daonense
Psammothidium bioretii
Psammothidium helveticum
Psammothidium lacustre
Psammothidium harveyi
Psammothidium alpinum
Psammothidium obliquum
Pulchellophycus
Pulchellophycus schwabei
Rhoicosphenia
Rhoicosphenia californica
Rhoicosphenia stoermeri
Rossithidium
Rossithidium nodosum
Rossithidium pusillum
Rossithidium petersenii
Rossithidium kriegeri
Rossithidium anastasiae
Sellaphora
Sellaphora schadei
Sellaphora atomoides
Sellaphora javanica
Sellaphora subbacillum
Simonsenia
Simonsenia delognei
Skabitschewskia
Skabitschewskia oestrupii
Skabitschewskia peragalloi
Stauroneis
Stauroneis thermicola