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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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Moist habitats
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
115
of 1105 species
GC
Genus Considered
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Achnanthes
Achnanthes mauiensis
Achnanthes tumescens
Achnanthes undulorostrata
Achnanthes felinophila
Achnanthes longboardia
Achnanthes inflata
Achnanthes coarctata
Anomoeoneis
Anomoeoneis fogedii
Boreozonacola
Boreozonacola hustedtii
Boreozonacola olympica
Caloneis
Caloneis amphisbaena
Caponea
Caponea caribbea
Chamaepinnularia
Chamaepinnularia hassiaca
Chamaepinnularia soehrensis
Chamaepinnularia mediocris
Cosmioneis
Cosmioneis citriformis
Cosmioneis hawaiiensis
Cosmioneis reimeri
Cylindrotheca
Cylindrotheca gracilis
Cymbopleura
Cymbopleura fluminea
Cymbopleura oblongata
Cymbopleura rupicola
Cymbopleura tynnii
Cymbopleura austriaca
Diatomella
Diatomella balfouriana
Diploneis
Diploneis puella
Diploneis puellafallax
Diploneis boldtiana
Diploneis elliptica
Diprora
Diprora haenaensis
Ellerbeckia
Ellerbeckia arenaria
Encyonema
Encyonema silesiacum var. elegans
Encyonopsis
Encyonopsis hustedtii
Encyonopsis robusta
Encyonopsis falaisensis
Encyonopsis cesatii
Epithemia
Epithemia gibberula
Epithemia alpestris
Epithemia argus
Eunotia
Eunotia microcephala
Eunotia enischna
Eunotia orthohedra
Eunotia cataractarum
Eunotia exigua
Eunotia trinacria
Eunotia subherkiniensis
Eunotia bidentula
Eunotia sudetica
Eunotia boomsma
Eunotia nymanniana
Eunotia paludosa
Eunotia bilii
Eunotia incisa
Eunotia kociolekii
Eunotia obliquestriata
Eunotia areniverma
Eunotia montuosa
Eunotia mydohaimasiae
Eunotia charliereimeri
Eunotia pectinalis
Eunotia bilunaris
Eunotia pseudoparallela
Eunotia formica
Eunotia naegelii
Eunotia metamonodon
Eunotia tauntonensis
Fragilariforma
Fragilariforma nitzschioides
Geissleria
Geissleria ignota
Gomphonema
Gomphonema vibrioides
Gomphosphenia
Gomphosphenia stoermeri
Hantzschia
Hantzschia amphioxys
Humidophila
Humidophila undulata
Humidophila contenta
Humidophila perpusilla
Humidophila pantropica
Kobayasiella
Kobayasiella okadae
Kurtkrammeria
Kurtkrammeria neoamphioxys
Luticola
Luticola ventricosa
Luticola ignorata
Luticola arctica
Luticola goeppertiana
Luticola hamiltonii
Luticola mobiliensis
Melosira
Melosira dickiei
Meridion
Meridion anceps
Meridion alansmithii
Muelleria
Muelleria gibbula
Muelleria tetonensis
Muelleria agnellus
Muelleria spauldingiae
Navicula
Navicula lundii
Neidium
Neidium hercynicum
Odontidium
Odontidium hyemale
Orthoseira
Orthoseira oregoniana
Orthoseira roeseana
Pinnularia
Pinnularia divergentissima
Pinnularia borealis
Pinnularia borealis var. lanceolata
Pinnularia lata
Sellaphora
Sellaphora atomoides
Sellaphora japonica
Seminavis
Seminavis eulensteinii
Stauroneis
Stauroneis separanda
Stauroneis kriegeri
Stauroneis agrestis
Stauroneis pseudagrestis
Stauroneis neohyalina
Stauroneis kootenai
Stauroneis reichardtii
Stauroneis bryocola
Stauroneis sacajaweae
Stauroneis pax
Stauroneis kingstonii
Tetracyclus
Tetracyclus rupestris
Tetracyclus hinziae