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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 occasional
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
84
of 1103 species
GC
Genus Considered
Waterbody
All
Inland
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Actinella
Actinella punctata
Amphipleura
Amphipleura pellucida
Brebissonia
Brebissonia lanceolata
Cocconeis
Cocconeis neodiminuta
Cyclostephanos
Cyclostephanos invisitatus
Cyclostephanos tholiformis
Cyclostephanos dubius
Cymbella
Cymbella blinnii
Cymbella tumida
Cymbella amplificata
Distrionella
Distrionella incognita
Encyonema
Encyonema montana
Encyonema obscurum
Encyonema lange-bertalotii
Encyonema appalachianum
Encyonema procerum
Encyonema paucistriatum
Encyonema lunatum
Encyonema neogracile
Encyonema pergracile
Encyonema silesiacum
Encyonema kamtschaticum var. parvum
Encyonema sibericum
Encyonema minutum var. pseudogracilis
Encyonema hebridicum
Eunotia
Eunotia bidens
Eunotia pectinalis
Eunotia bilunaris
Eunotia superbidens
Eunotia pseudoparallela
Eunotia formica
Eunotia metamonodon
Eunotia tauntoniensis
Fragilaria
Fragilaria mesolepta
Frustulia
Frustulia capitata
Frustulia neomundana
Frustulia crassinervia
Frustulia latita
Frustulia soror
Frustulia saxonica
Frustulia rexii
Gomphonema
Gomphonema duplipunctatum
Gomphonema sarcophagus
Gomphonema louisiananum
Gomphonema insularum
Gomphonema apuncto
Gomphonema germainii
Gomphonema brebissonii
Gomphonema americobtusatum
Gomphonema christenseni
Gomphonema californicum
Hannaea
Hannaea superiorensis
Humidophila
Humidophila contenta
Humidophila perpusilla
Lindavia
Lindavia delicatula
Lindavia comensis
Lindavia ocellata
Lindavia praetermissa
Melosira
Melosira dickiei
Meridion
Meridion alansmithii
Odontidium
Odontidium hyemale
Oxyneis
Oxyneis binalis
Peronia
Peronia fibula
Pinnularia
Pinnularia cardinaliculus
Playaensis
Playaensis circumfimbria
Pseudostaurosira
Pseudostaurosira pseudoconstruens
Pseudostaurosira parasitica
Punctastriata
Punctastriata mimetica
Semiorbis
Semiorbis rotundus
Staurosira
Staurosira binodis
Staurosira stevensonii
Staurosirella
Staurosirella martyi
Staurosirella leptostauron
Staurosirella neopinnata
Stephanocyclus
Stephanocyclus meneghinianus
Stephanodiscus
Stephanodiscus hantzschii f. tenuis
Stephanodiscus hantzschii
Stephanodiscus medius
Thalassiosira
Thalassiosira weissflogii
Thalassiosira baltica
Ulnaria
Ulnaria contracta
Ulnaria acus
Ulnaria delicatissima
Ulnaria capitata