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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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BCG 2
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
106
of 1105 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Achnanthidium
Achnanthidium alpestre
Achnanthidium rivulare
Achnanthidium deflexum
Adlafia
Adlafia detenta
Aulacoseira
Aulacoseira nivaloides
Aulacoseira nygaardii
Aulacoseira valida
Brachysira
Brachysira brebissonii
Cavinula
Cavinula pseudoscutiformis
Cavinula vincentii
Cavinula jaernefeltii
Cavinula lapidosa
Chamaepinnularia
Chamaepinnularia mediocris
Cymbella
Cymbella affinis
Cymbella turgidula
Cymbella aspera
Cymbella janischii
Cymbellonitzschia
Cymbellonitzschia diluviana
Cymbopleura
Cymbopleura amphicephala
Cymbopleura incerta
Delicatophycus
Delicatophycus delicatulus
Denticula
Denticula tenuis
Diatoma
Diatoma tenuis
Diatomella
Diatomella balfouriana
Didymosphenia
Didymosphenia geminata
Ellerbeckia
Ellerbeckia arenaria
Encyonema
Encyonema lunatum
Encyonema hebridicum
Encyonema triangulum
Encyonopsis
Encyonopsis falaisensis
Encyonopsis cesatii
Epithemia
Epithemia sorex
Epithemia adnata
Epithemia turgida
Epithemia gibba
Eucocconeis
Eucocconeis laevis
Eucocconeis flexella
Eunotia
Eunotia exigua
Eunotia rhomboidea
Eunotia paludosa
Eunotia pectinalis
Fragilariforma
Fragilariforma bicapitata
Fragilariforma virescens
Frustulia
Frustulia saxonica
Frustulia amphipleuroides
Genkalia
Genkalia digitulus
Gomphoneis
Gomphoneis eriense var. variabilis
Gomphoneis eriensis
Gomphoneis minuta
Gomphoneis herculeana
Gomphonella
Gomphonella pseudookunoi
Gomphonema
Gomphonema kobayasii
Gomphonema pygmaeum
Gomphonema stoermeri
Gomphonema freesei
Gomphonema americobtusatum
Grunowia
Grunowia sinuata
Hannaea
Hannaea arcus
Hippodonta
Hippodonta gravistriata
Karayevia
Karayevia amoena
Karayevia nitidiformis
Karayevia suchlandtii
Karayevia laterostrata
Mastogloia
Mastogloia grevillei
Meridion
Meridion circulare var. constrictum
Meridion circulare
Microcostatus
Microcostatus krasskei
Navicula
Navicula goersii
Navicula longicephala
Navicula seibigiana
Navicula notha
Navicula wildii
Navicula geronimensis
Navicula pseudolanceolata
Navicula whitefishensis
Navicula hasta
Navicula aurora
Nitzschia
Nitzschia soratensis
Nitzschia alpina
Nitzschia oregona
Nupela
Nupela lapidosa
Pinnularia
Pinnularia ectorii
Planothidium
Planothidium abbreviatum
Planothidium amphibium
Planothidium biporomum
Planothidium holstii
Platessa
Platessa kingstonii
Platessa oblongella
Psammothidium
Psammothidium microscopicum
Psammothidium didymum
Psammothidium levanderi
Psammothidium chlidanos
Psammothidium daonense
Psammothidium bioretii
Psammothidium helveticum
Reimeria
Reimeria sinuata
Reimeria uniseriata
Rossithidium
Rossithidium nodosum
Rossithidium pusillum
Sellaphora
Sellaphora bacillum
Stauroforma
Stauroforma exiguiformis
Synedra
Synedra mazamaensis
Tabellaria
Tabellaria fenestrata
Tabellaria flocculosa
Terpsinoë
Terpsinoe musica
Ulnaria
Ulnaria goulardii