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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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Moderately motile
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
527
of 1106 species
GC
Genus Considered
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Inland
Marine
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Adlafia
Adlafia detenta
Amphora
Amphora minutissima
Amphora delphinea var. minor
Amphora calumetica
Amphora bicapitata
GC
Aneumastus
Aneumastus minor
Aneumastus pseudotusculus
Aneumastus carolinianus
Aneumastus rostratus
Aneumastus tusculus
Anomoeoneis
Anomoeoneis capitata
Anomoeoneis fogedii
Anomoeoneis monoensis
Anomoeoneis sphaerophora f. rostrata
Anomoeoneis sphaerophora
Anomoeoneis costata
Anomoeoneis sculpta
Biremis
Biremis undulata
Biremis circumtexta
Boreozonacola
Boreozonacola hustedtii
Boreozonacola olympica
Brachysira
Brachysira zellensis
Brachysira vitrea
Brachysira microcephala
Brachysira confusa
Brachysira brebissonii
Brachysira styriaca
Brachysira ocalanensis
Brachysira arctoborealis
Brachysira follis
Brachysira serians
Brebissonia
Brebissonia lanceolata
Caloneis
Caloneis bacillum
Caloneis lewisii
Caloneis silicula
Caloneis amphisbaena
Capartogramma
Capartogramma crucicula
Cavinula
Cavinula jaernefeltii
Cavinula scutelloides
Cavinula maculata
Chamaepinnularia
Chamaepinnularia witkowskii
Chamaepinnularia gandrupii
Cosmioneis
Cosmioneis citriformis
Craticula
Craticula molestiformis
Craticula citrus
Craticula accomoda
Craticula accomodiformis
Craticula riparia
Craticula buderi
Craticula halophila
Craticula ambigua
Craticula johnstoniae
Craticula sardiniana
Craticula coloradensis
Craticula acidoclinata
Craticula pampeana
Cymbella
Cymbella cleve-eulerae
Cymbella neocistula
Cymbella fontinalis
Cymbella mexicana var. kamtschatica
Cymbella proxima
Cymbella amplificata
Cymbella janischii
Cymbellafalsa
Cymbellafalsa diluviana
Cymbellonitzschia
Cymbellonitzschia diluviana
Cymbopleura
Cymbopleura incertiformis var. laterostrata
Cymbopleura lapponica
Cymbopleura rupicola
Cymbopleura incertiformis var. linearis
Cymbopleura incertiformis
Cymbopleura florentina
Cymbopleura stauroneiformis
Cymbopleura austriaca
Cymbopleura perprocera
Decussata
Decussata placenta
Delicatophycus
Delicatophycus canadensis
Delicatophycus montana
Delicatophycus delicatulus
Delicatophycus alpestris
Denticula
Denticula creticola
Denticula tenuis
Denticula kuetzingii
Diadesmis
Diadesmis confervacea
Diatomella
Diatomella balfouriana
Didymosphenia
Didymosphenia geminata
Diploneis
Diploneis puella
Diploneis puellafallax
Diploneis potapovae
Diploneis calcicolafrequens
Diploneis parma
Diploneis calcilacustris
Diploneis galloprovincialis
Diploneis boldtiana
Diploneis abscondita
Diploneis doncharlesii
Diploneis krammeri
Diploneis ovalis
Diploneis mollenhaueri
Diploneis elliptica
Diploneis finnica
Encyonema
Encyonema reichardtii
Encyonema obscurum
Encyonema lange-bertalotii
Encyonema auerswaldii
Encyonema pergracile
Encyonema silesiacum var. elegans
Encyonema kamtschaticum var. parvum
Encyonema sibericum
Encyonema minutum var. pseudogracilis
Encyonema hebridicum
Encyonema leibleinii
Encyonema triangulum
Encyonema yellowstonianum
Encyonema nicafei
Encyonema temperei
Encyonema latum
Encyonema sinicum
Encyonema evergladianum
GC
Encyonopsis
Encyonopsis subminuta
Encyonopsis microcephala
Envekadea
Envekadea pachycephala
Envekadea vanlandinghamii
Envekadea metzeltinii
Epithemia
Epithemia sorex
Epithemia reicheltii
Epithemia gibberula
Epithemia musculus
Epithemia adnata
Epithemia alpestris
Epithemia argus
Epithemia smithii
Epithemia turgida
Epithemia gibba
Fallacia
Fallacia tenera
Fallacia subhamulata
Fallacia vitrea
Fallacia latelongitudinalis
Fallacia pygmaea
Frickea
Frickea lewisiana
Frustulia
Frustulia creuzburgensis
Frustulia capitata
Frustulia neomundana
Frustulia pseudomagaliesmontana
Frustulia crassinervia
Frustulia latita
Frustulia asiatica
Frustulia soror
Frustulia vulgaris
Frustulia amosseana
Frustulia quadrisinuata
Frustulia inculta
Frustulia saxonica
Frustulia amphipleuroides
Frustulia rexii
Frustulia esandalliae
Frustulia krammeri
Frustulia bahlsii
Geissleria
Geissleria acceptata
Geissleria declivis
Geissleria cascadensis
Geissleria kriegeri
Geissleria lateropunctata
Geissleria punctifera
Geissleria decussis
Gomphoneis
Gomphoneis eriense var. variabilis
Gomphoneis eriensis var. apiculata
Gomphoneis eriensis
Gomphoneis eriensis var. angularis
Gomphoneis trullata
Gomphoneis septa
Gomphoneis oreophila
Gomphoneis minuta
Gomphoneis herculeana var. lowei
Gomphoneis herculeana var. abundans
Gomphoneis herculeana
Gomphoneis mammilla
Gomphonella
Gomphonella pseudookunoi
Gomphonella fogedii
Gomphonella olivacea
Gomphonema
Gomphonema montezumense
Gomphonema variostriatum
Gomphonema superiorense
Gomphonema lagenula
Gomphonema incognitum
Gomphonema kobayasii
Gomphonema sierranum
Gomphonema caperatum
Gomphonema submehleri
Gomphonema louisiananum
Gomphonema manubrium
Gomphonema pygmaeum
Gomphonema apuncto
Gomphonema germainii
Gomphonema stoermeri
Gomphonema ventricosum
Gomphonema brebissonii
Gomphonema turgidum
Gomphonema johnsonii
Gomphonema pseudosphaerophorum
Gomphonema apicatum
Gomphonema freesei
Gomphonema mexicanum
Gomphonema pusillum
Gomphonema christensenii
Gomphonema mehleri
Gomphonema amerhombicum
Gomphonema truncatum
Gomphonema californicum
Gomphonema reimeri
Gomphonema acuminatum
Gomphonema eileencoxiae
Gomphonema elongatum
Gomphonema coronatum
Gomphonema vibrioides
Gomphosinica
Gomphosinica geitleri
Gomphosphenia
Gomphosphenia lingulatiformis
Gomphosphenia grovei
Grunowia
Grunowia tabellaria
Halamphora
Halamphora thumensis
Halamphora montana
Halamphora normanii
Halamphora oligotraphenta
Halamphora coffeiformis
Halamphora veneta
Halamphora elongata
Hantzschia
Hantzschia amphioxys
Hippodonta
Hippodonta pseudacceptata
Hippodonta coxiae
Hippodonta gravistriata
Hippodonta capitata subsp. iberoamericana
Hippodonta hungarica
Hippodonta capitata
Hygropetra
Hygropetra balfouriana
Kobayasiella
Kobayasiella micropunctata
Kobayasiella subtilissima
Kobayasiella jaagii
Kobayasiella madumensis
Kobayasiella okadae
Kobayasiella parasubtilissima
Kurtkrammeria
Kurtkrammeria neoamphioxys
Kurtkrammeria stodderi
Kurtkrammeria weilandii
Lacustriella
Lacustriella lacustris
Lemnicola
Lemnicola hungarica
Luticola
Luticola ventricosa
Luticola ignorata
Luticola arctica
Luticola stigma
Luticola hamiltonii
Luticola minor
Luticola mobiliensis
Mastogloia
Mastogloia binotata
Mastogloia taralunae
Mastogloia grevillei
Mastogloia lucayensis
Mastogloia albertii
Mastogloia pumila
Mastogloia pseudosmithii
Mastogloia calcarea
Mastogloia lacustris
Mastogloia elliptica
Microcostatus
Microcostatus krasskei
Muelleria
Muelleria gibbula
Muelleria tetonensis
Muelleria agnellus
Muelleria spauldingiae
Navicula
Navicula ingenua
Navicula goersii
Navicula vilaplanii
Navicula kotschyi
Navicula caterva
Navicula longicephala
Navicula metareichardtiana
Navicula antonii
Navicula veneta
Navicula trilatera
Navicula cincta
Navicula seibigiana
Navicula subrostellata
Navicula supleeorum
Navicula cryptofallax
Navicula staffordiae
Navicula cryptocephala
Navicula symmetrica
Navicula libonensis
Navicula salinarum
Navicula aitchelbee
Navicula erifuga
Navicula capitatoradiata
Navicula lundii
Navicula elsoniana
Navicula germainii
Navicula leptostriata
Navicula notha
Navicula caroliniae
Navicula oppugnata
Navicula rostellata
Navicula recens
Navicula subrhynchocephala
Navicula trivialis
Navicula reinhardtii
Navicula perotii
Navicula escambia
Navicula schweigeri
Navicula wildii
Navicula geronimensis
Navicula cari
Navicula duerrenbergiana
Navicula winona
Navicula rhynchocephala
Navicula cryptocephaloides
Navicula rhynchotella
Navicula subconcentrica
Navicula weberi
Navicula pseudolanceolata
Navicula lanceolata
Navicula streckerae
Navicula tripunctata
Navicula vaneei
Navicula whitefishensis
Navicula harmoniae
Navicula margalithii
Navicula viridulacalcis subsp. neomundana
Navicula slesvicensis
Navicula angusta
Navicula venerablis
Navicula viridula
Navicula flatheadensis
Navicula piercei
Navicula hasta
Navicula sovereignii
Navicula radiosa
Navicula vulpina
Navicula galloae
Navicula aurora
Navicula walkeri
Navicula ludloviana
Navicula subwalkeri
Navicula oblonga
Navicula volcanica
Navicula nunivakiana
GC
Neidiomorpha
Neidiomorpha binodiformis
Neidiopsis
Neidiopsis hamiltonii
Neidiopsis wulffii
Neidiopsis weilandii
Neidium
Neidium densestriatum
Neidium pseudodensestriatum
Neidium fogedii
Neidium distinctepunctatum
Neidium bobmarshallense
Neidium hitchcockii
Neidium sacoense
Neidium undulatum
Neidium fossum
Neidium amphigomphus
Nitzschia
Nitzschia inconspicua
Nitzschia microcephala
Nitzschia soratensis
Nitzschia perminuta
Nitzschia liebethruthii
Nitzschia desertorum
Nitzschia valdecostata
Nitzschia palea var. debilis
Nitzschia acidoclinata
Nitzschia minuta
Nitzschia palea var. tenuirostris
Nitzschia amphibia
Nitzschia communis
Nitzschia oregona
Nitzschia palea
Nitzschia oligotraphenta
Nitzschia incognita
Nitzschia paleacea
Nitzschia brevissima
Nitzschia fonticola
Nitzschia balcanica
Nitzschia exilis
Nitzschia biacrula
Nitzschia clausii
Nitzschia reversa
Nitzschia recta
Nitzschia acicularis
Nitzschia filiformis
Nitzschia linearis
Nitzschia sigma
Nupela
Nupela wellneri
Nupela fennica
Pinnularia
Pinnularia marchica
Pinnularia pluvianiformis
Pinnularia bigibba
Pinnularia subanglica
Pinnularia saprophila
Pinnularia divergentissima
Pinnularia borealis
Pinnularia gibbiformis
Pinnularia subcapitata var. elongata
Pinnularia borealis var. lanceolata
Pinnularia brebissonii
Pinnularia nodosa
Pinnularia nodosa var. percapitata
Pinnularia rabenhorstii
Pinnularia scotica
Pinnularia wisconsinensis
Pinnularia subgibba var. lanceolata
Pinnularia brauniana
Pinnularia rhombarea
Pinnularia suchlandtii
Pinnularia lailaensis
Pinnularia subgibba var. sublinearis
Pinnularia polyonca var. stidolphii
Pinnularia microstauron
Pinnularia acrosphaeria
Pinnularia subgibba var. undulata
Pinnularia undula
Pinnularia parvulissima
Pinnularia turgidula
Pinnularia decrescens
Pinnularia turfosiphila
Pinnularia lokana
Pinnularia cardinaliculus
Pinnularia macilenta
Pinnularia socialis
Pinnularia lata
Pinnularia undula var. major
Pinnularia subgibba
Pinnularia streptoraphe
Pinnularia spinifera
Pinnularia pulchella
Pinnularia nobilis var. regularis
Pinnularia dariana
Pinnularia gigas
Pinnularia alabamae
Pinnunavis
Pinnunavis elegans
Placoneis
Placoneis anglophila
Placoneis explanata
Placoneis abiskoensis
Placoneis gastrum
Placoneis amphibola
Plagiotropis
Plagiotropis lepidoptera var. proboscidea
Plagiotropis arizonica
Playaensis
Playaensis circumfimbria
Prestauroneis
Prestauroneis protracta
Prestauroneis integra
Pseudofallacia
Pseudofallacia monoculata
Reimeria
Reimeria uniseriata
Rexlowea
Rexlowea navicularis
Scoliopleura
Scoliopleura peisonis
Sellaphora
Sellaphora saugerresii
Sellaphora nigri
Sellaphora pulchra
Sellaphora subfasciata
Sellaphora stroemii
Sellaphora japonica
Sellaphora wallacei
Sellaphora disjuncta
Sellaphora stauroneioides
Sellaphora meridionalis
Sellaphora auldreekie
Sellaphora rexii
Sellaphora bacilloides
Sellaphora californica
Sellaphora bacillum
Sellaphora fusticulus
Sellaphora hohnii
Sellaphora laevissima
Sellaphora alastos
Sellaphora americana
Sellaphora moesta
Seminavis
Seminavis eulensteinii
Stauroneis
Stauroneis separanda
Stauroneis kriegeri
Stauroneis bovbjergii
Stauroneis agrestis
Stauroneis smithii
Stauroneis smithii var. incisa
Stauroneis livingstonii
Stauroneis pseudagrestis
Stauroneis neohyalina
Stauroneis lauenburgiana
Stauroneis boyntoniae
Stauroneis kootenai
Stauroneis reichardtii
Stauroneis bryocola
Stauroneis acidoclinatopsis
Stauroneis pikuni
Stauroneis schroederi
Stauroneis siberica
Stauroneis acidoclinata
Stauroneis ancepsfallax
Stauroneis vandevijveri
Stauroneis absaroka
Stauroneis anceps
Stauroneis sacajaweae
Stauroneis amphicephala
Stauroneis pax
Stauroneis stodderi
Stauroneis fluminopsis
Stauroneis conspicua
Stauroneis thompsonii
Stauroneis angustilancea
Stauroneis staurolineata
Stauroneis gracilis
Stauroneis beeskovea
Stauroneis baconiana
Stauroneis akamina
Stauroneis subborealis
Stauroneis circumborealis
Stauroneis superkuelbsii
Stauroneis acuta
Stauroneis sonyae
Stauroneis kishinena
Stauroneis submarginalis
Stauroneis kingstonii
Stauroneis heinii
Stauroneis phoenicenteron
Stauroneis supergracilis
Stauroneis americana
Stauroneis finlandia
Stauroneis rex
Stauroneis terryi
Staurophora
Staurophora tackei
Staurophora soodensis
Staurophora wislouchii
Staurophora brantii
Staurophora amphioxys
Tryblionella
Tryblionella apiculata
Tryblionella gracilis