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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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Colonies common
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
36
of 1105 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Asterionella
Asterionella formosa
Asterionella ralfsii var. americana
Aulacoseira
Aulacoseira granulata var. angustissima
Aulacoseira pusilla
Aulacoseira nygaardii
Aulacoseira ambigua
Aulacoseira subarctica
Aulacoseira newjerseyana
Aulacoseira granulata
Aulacoseira islandica
Bacillaria
Bacillaria paxillifera
Chaetoceros
Chaetoceros lauderi
Cymbella
Cymbella mexicana var. kamtschatica
Diprora
Diprora haenaensis
Encyonema
Encyonema leibleinii
Encyonema nicafei
Encyonema reimeri
Eunotia
Eunotia zasuminensis
Gomphoneis
Gomphoneis herculeana
Gomphonella
Gomphonella hutchinsoniana
Gomphonella fogedii
Gomphonella olivacea
Gomphonema
Gomphonema lagenula
Gomphonema elongatum
Gomphonema coronatum
Gomphonema vibrioides
Melosira
Melosira varians
Melosira undulata
Ninastrelnikovia
Ninastrelnikovia gibbosa
Orthoseira
Orthoseira oregoniana
Pinnularia
Pinnularia socialis
Semiorbis
Semiorbis eliasiae
Staurosira
Staurosira construens var. venter
Staurosirella
Staurosirella berolinensis
Thalassiosira
Thalassiosira minima
Urosolenia
Urosolenia eriensis
