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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 4
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
81
of 1100 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Amphora
Amphora pediculus
Amphora copulata
Amphora ovalis
Caloneis
Caloneis amphisbaena
Cocconeis
Cocconeis pediculus
Cocconeis placentula
Craticula
Craticula halophila
Craticula cuspidata
Ctenophora
Ctenophora pulchella
Cyclostephanos
Cyclostephanos invisitatus
Cyclostephanos dubius
Denticula
Denticula subtilis
Denticula kuetzingii
Discostella
Discostella pseudostelligera
Entomoneis
Entomoneis paludosa
Entomoneis ornata
Epithemia
Epithemia musculus
Fallacia
Fallacia subhamulata
Frustulia
Frustulia vulgaris
Frustulia krammeri
Geissleria
Geissleria decussis
Gogorevia
Gogorevia exilis
Gomphonema
Gomphonema mexicanum
Gyrosigma
Gyrosigma acuminatum
Halamphora
Halamphora montana
Halamphora normanii
Halamphora coffeaeformis
Hantzschia
Hantzschia amphioxys
Hippodonta
Hippodonta capitata
Lemnicola
Lemnicola hungarica
Melosira
Melosira varians
Navicula
Navicula vilaplanii
Navicula kotschyi
Navicula caterva
Navicula veneta
Navicula cryptocephala
Navicula gregaria
Navicula libonensis
Navicula capitatoradiata
Navicula lundii
Navicula germainii
Navicula rostellata
Navicula trivialis
Navicula cari
Navicula cryptocephaloides
Navicula lanceolata
Navicula tripunctata
Navicula margalithii
Navicula radiosa
Navicula oblonga
Nitzschia
Nitzschia inconspicua
Nitzschia perminuta
Nitzschia liebethruthii
Nitzschia valdecostata
Nitzschia minuta
Nitzschia sociabilis
Nitzschia fonticola
Nitzschia clausii
Nitzschia acicularis
Nitzschia filiformis
Nitzschia sigma
Nitzschia sigmoidea
Planothidium
Planothidium frequentissimum
Planothidium lanceolatum
Pseudostaurosira
Pseudostaurosira trainorii
Pseudostaurosira parasitica
Sellaphora
Sellaphora atomoides
Stauroneis
Stauroneis smithii
Staurosira
Staurosira construens
Staurosira binodis
Staurosira construens var. venter
Staurosirella
Staurosirella pinnata
Stephanodiscus
Stephanodiscus medius
Stephanodiscus niagarae
Surirella
Surirella angusta
Surirella pinnata
Surirella librile
Tabularia
Tabularia fasciculata
Thalassiosira
Thalassiosira weissflogii
Tryblionella
Tryblionella calida
Tryblionella gracilis