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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
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Species
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Northeast lake sediments
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
399
of 1101 species
GC
Genus Considered
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Inland
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Achnanthidium
Achnanthidium rosenstockii
Achnanthidium subhudsonis var. kraeuselii
Achnanthidium latecephalum
Achnanthidium eutrophilum
Achnanthidium reimeri
Achnanthidium crassum
Achnanthidium minutissimum
Achnanthidium delmontii
Achnanthidium rivulare
Achnanthidium deflexum
Actinella
Actinella punctata
Amphipleura
Amphipleura pellucida
Amphora
Amphora pediculus
Amphora copulata
Amphora delphinea var. minor
Amphora ovalis
Aneumastus
Aneumastus tusculus
Asterionella
Asterionella formosa
Asterionella ralfsii var. americana
Aulacoseira
Aulacoseira pusilla
Aulacoseira tenella
Aulacoseira humilis
Aulacoseira nivaloides
Aulacoseira nygaardii
Aulacoseira ambigua
Aulacoseira crassipunctata
Aulacoseira subarctica
Aulacoseira alpigena
Aulacoseira valida
Aulacoseira newjerseyana
Aulacoseira granulata
Aulacoseira nivalis
Aulacoseira lirata
Aulacoseira italica
Aulacoseira muzzanensis
Brachysira
Brachysira zellensis
Brachysira microcephala
Brachysira styriaca
Brachysira follis
Brachysira neoacuta
Brachysira hannae
Brachysira serians
Caloneis
Caloneis bacillum
Caloneis lewisii
Caloneis silicula
Cavinula
Cavinula pseudoscutiformis
Cavinula jaernefeltii
Cavinula lapidosa
Cavinula scutelloides
Cavinula cocconeiformis
Cavinula scutiformis
Chamaepinnularia
Chamaepinnularia hassiaca
Chamaepinnularia mediocris
Chamaepinnularia witkowskii
Cocconeis
Cocconeis pseudothumensis
Cocconeis fluviatilis
Cocconeis placentula
Craticula
Craticula accomoda
Craticula cuspidata
Craticula acidoclinata
Ctenophora
Ctenophora pulchella
Cyclostephanos
Cyclostephanos invisitatus
Cyclostephanos tholiformis
Cyclotella
Cyclotella atomus
Cyclotella distinguenda
Cymbella
Cymbella affiniformis
Cymbella subleptoceros
Cymbella hustedtii
Cymbella blinnii
Cymbella compacta
Cymbella neocistula
Cymbella proxima
Cymbella neocistula var. islandica
Cymbella aspera
Cymbella lanceolata
Cymbopleura
Cymbopleura amphicephala
Cymbopleura naviculiformis
Cymbopleura fluminea
Cymbopleura incertiformis var. laterostrata
Cymbopleura subaequalis
Cymbopleura sublanceolata
Cymbopleura incerta
Cymbopleura incertiformis
Cymbopleura apiculata
Cymbopleura subcuspidata
Cymbopleura perprocera
Cymbopleura subrostrata
Delicatophycus
Delicatophycus delicatulus
Denticula
Denticula tenuis
Diadesmis
Diadesmis confervacea
Diatoma
Diatoma vulgaris
Diatoma tenuis
Diploneis
Diploneis puellafallax
Diploneis submarginestriata
Diploneis potapovae
Diploneis calcilacustris
Diploneis galloprovincialis
Diploneis doncharlesii
Diploneis krammeri
Diploneis finnica
Discostella
Discostella pseudostelligera
Discostella stelligera
Discostella asterocostata
Encyonema
Encyonema reichardtii
Encyonema minutum
Encyonema neogracile
Encyonema pergracile
Encyonema hebridicum
Encyonopsis
Encyonopsis microcephala
Encyonopsis krammeri
Encyonopsis albertana
Encyonopsis neerlandica
Encyonopsis descripta
Encyonopsis stafsholtii
Encyonopsis montana
Entomoneis
Entomoneis ornata
Eolimna
Eolimna aboensis
Epithemia
Epithemia sorex
Epithemia reicheltii
Epithemia adnata
Epithemia turgida
Epithemia gibba
Eucocconeis
Eucocconeis laevis
Eucocconeis depressa
Eucocconeis alpestris
Eucocconeis americana
Eucocconeis flexella
Eunotia
Eunotia microcephala
Eunotia perpusilla
Eunotia rhomboidea
Eunotia subherkiniensis
Eunotia tenella
Eunotia bidentula
Eunotia canicula
Eunotia bactriana
Eunotia nymanniana
Eunotia paludosa
Eunotia hexaglyphis
Eunotia incisa
Eunotia tetraodon
Eunotia mucophila
Eunotia novaeangliae
Eunotia faba
Eunotia zasuminensis
Eunotia charliereimeri
Eunotia pectinalis
Eunotia macroglossa
Eunotia bilunaris
Eunotia serra
Eunotia formica
Eunotia naegelii
Eunotia metamonodon
Eunotia tauntoniensis
Fallacia
Fallacia subhamulata
Fallacia vitrea
Fallacia pygmaea
Fragilaria
Fragilaria vaucheriae
Fragilaria mesolepta
Fragilaria crotonensis
Fragilaria tenera
Fragilariforma
Fragilariforma marylandica
Fragilariforma polygonata
Fragilariforma constricta
Fragilariforma bicapitata
Fragilariforma virescens
Fragilariforma acidobiontica
Frustulia
Frustulia pseudomagaliesmontana
Frustulia crassinervia
Frustulia latita
Frustulia vulgaris
Frustulia saxonica
Frustulia amphipleuroides
Frustulia krammeri
Geissleria
Geissleria acceptata
Geissleria kriegeri
Geissleria decussis
Genkalia
Genkalia digitulus
Gogorevia
Gogorevia exilis
Gogorevia rostellata
Gomphonella
Gomphonella olivacea
Gomphonema
Gomphonema variostriatum
Gomphonema lagenula
Gomphonema sierranum
Gomphonema caperatum
Gomphonema sarcophagus
Gomphonema louisiananum
Gomphonema pygmaeum
Gomphonema brebissonii
Gomphonema turgidum
Gomphonema pusillum
Gomphonema truncatum
Gomphonema coronatum
Gomphosphenia
Gomphosphenia grovei
Grunowia
Grunowia solgensis
Grunowia sinuata
Gyrosigma
Gyrosigma obscurum
Gyrosigma acuminatum
Gyrosigma attenuatum
Halamphora
Halamphora thumensis
Halamphora montana
Halamphora veneta
Hannaea
Hannaea arcus
Hippodonta
Hippodonta pseudacceptata
Hippodonta capitata subsp. iberoamericana
Hippodonta hungarica
Hippodonta capitata
Humidophila
Humidophila schmassmannii
Humidophila perpusilla
Iconella
Iconella tenera
Iconella guatimalensis
Karayevia
Karayevia suchlandtii
Karayevia laterostrata
Karayevia ploenensis var. gessneri
Karayevia clevei
Kobayasiella
Kobayasiella micropunctata
Kobayasiella subtilissima
Kobayasiella madumensis
Lacustriella
Lacustriella lacustris
Lindavia
Lindavia comensis
Lindavia michiganiana
Lindavia ocellata
Lindavia intermedia
Mastogloia
Mastogloia lacustris
Melosira
Melosira varians
Melosira normannii
Meridion
Meridion circulare var. constrictum
Meridion anceps
Meridion circulare
Meridion alansmithii
Navicula
Navicula vilaplanii
Navicula longicephala
Navicula canalis
Navicula cryptocephala
Navicula gregaria
Navicula capitatoradiata
Navicula notha
Navicula rostellata
Navicula trivialis
Navicula escambia
Navicula wildii
Navicula cari
Navicula lanceolata
Navicula streckerae
Navicula tripunctata
Navicula viridulacalcis subsp. neomundana
Navicula angusta
Navicula viridula
Navicula freesei
Navicula radiosa
Navicula vulpina
Navicula aurora
Navicula oblonga
Neidiopsis
Neidiopsis levanderi
Neidium
Neidium hitchcockii
Neidium sacoense
Neidium dilatatum
Nitzschia
Nitzschia soratensis
Nitzschia perminuta
Nitzschia alpina
Nitzschia liebethruthii
Nitzschia desertorum
Nitzschia amphibia
Nitzschia palea
Nitzschia incognita
Nitzschia exilis
Nitzschia clausii
Nitzschia dissipata
Nitzschia recta
Nitzschia angustata
Nupela
Nupela scissura
Nupela vitiosa
Nupela wellneri
Nupela tenuicephala
Nupela impexiformis
Nupela fennica
Nupela decipiens
Nupela pennsylvanica
Nupela poconoensis
Nupela subrostrata
Odontidium
Odontidium mesodon
Oxyneis
Oxyneis binalis var. elliptica
Oxyneis binalis
Peronia
Peronia fibula
Pinnularia
Pinnularia pluvianiformis
Pinnularia subanglica
Pinnularia divergentissima
Pinnularia gibbiformis
Pinnularia nodosa var. percapitata
Pinnularia scotica
Pinnularia wisconsinensis
Pinnularia brauniana
Pinnularia polyonca var. stidolphii
Pinnularia subgibba var. undulata
Pinnularia undula
Pinnularia turgidula
Pinnularia decrescens
Pinnularia turfosiphila
Pinnularia cardinaliculus
Pinnularia cuneicephala
Pinnularia kwacksii
Pinnularia undula var. major
Pinnularia clericii
Pinnularia subgibba
Pinnularia rexlowei
Pinnularia bihastata
Pinnularia spinifera
Pinnularia transversa
Pinnularia pulchella var. canadensis
Pinnularia pulchella
Pinnularia dariana
Pinnularia ectorii
Pinnularia alabamae
Placoneis
Placoneis explanata
Placoneis abiskoensis
Placoneis gastrum
Plagiotropis
Plagiotropis lepidoptera var. proboscidea
Planothidium
Planothidium frequentissimum
Planothidium incuriatum
Planothidium lanceolatum
Planothidium holstii
Planothidium joursacense
GC
Platessa
Platessa stewartii
Platessa conspicua
Platessa strelnikovae
Prestauroneis
Prestauroneis protracta
Psammothidium
Psammothidium didymum
Psammothidium levanderi
Psammothidium rossii
Psammothidium subatomoides
Psammothidium scoticum
Psammothidium acidoclinatum
Psammothidium daonense
Psammothidium bioretii
Psammothidium helveticum
Psammothidium harveyi
Psammothidium alpinum
Pseudostaurosira
Pseudostaurosira elliptica
Pseudostaurosira pseudoconstruens
Pseudostaurosira robusta
Pseudostaurosira parasitica
Pseudostaurosira brevistriata
Pseudostaurosira americana
Punctastriata
Punctastriata mimetica
Reimeria
Reimeria sinuata
Reimeria uniseriata
Rhoicosphenia
Rhoicosphenia abbreviata
Rossithidium
Rossithidium pusillum
Rossithidium anastasiae
Sellaphora
Sellaphora saugerresii
Sellaphora schadei
Sellaphora atomoides
Sellaphora subbacillum
Sellaphora wallacei
Sellaphora disjuncta
Sellaphora stauroneioides
Sellaphora auldreekie
Sellaphora bacilloides
Sellaphora hohnii
Sellaphora laevissima
Sellaphora americana
Semiorbis
Semiorbis rotundus
Skabitschewskia
Skabitschewskia oestrupii
Skabitschewskia peragalloi
Stauroforma
Stauroforma exiguiformis
Stauroneis
Stauroneis thermicola
Stauroneis kriegeri
Stauroneis agrestis
Stauroneis smithii
Stauroneis smithii var. incisa
Stauroneis livingstonii
Stauroneis siberica
Stauroneis anceps
Stauroneis amphicephala
Stauroneis stodderi
Stauroneis staurolineata
Stauroneis gracilis
Stauroneis heinii
Stauroneis phoenicenteron
Stauroneis supergracilis
Stauroneis terryi
Staurosira
Staurosira construens
Staurosira construens var. venter
Staurosirella
Staurosirella pinnata
Staurosirella leptostauron
Stephanocyclus
Stephanocyclus meneghinianus
Stephanocyclus gamma
Stephanodiscus
Stephanodiscus minutulus
Stephanodiscus binderanus
Stephanodiscus hantzschii f. tenuis
Stephanodiscus alpinus
Stephanodiscus niagarae
Surirella
Surirella amphioxys
Surirella angusta
Surirella cruciata
Tabellaria
Tabellaria fenestrata
Tabellaria flocculosa
Tabularia
Tabularia fasciculata
Tryblionella
Tryblionella plana var. fennica
Ulnaria
Ulnaria contracta