Diatoms of the western USA
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BY MORPHOLOGY
Centric
Araphid
Eunotioid
Symmetrical biraphid
Monoraphid
Asymmetrical biraphid
Epithemioid
Nitzschioid
Surirelloid
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GENERA
Acanthoceras
Achnanthes
7
Achnanthidium
15
Actinella
1
Actinocyclus
Adlafia
Afrocymbella
Amphicampa
Amphipleura
1
Amphora
4
Amphorotia
Aneumastus
4
Anomoeoneis
Anorthoneis
Asterionella
Aulacoseira
18
Bacillaria
1
Biremis
1
Boreozonacola
2
Brachysira
5
Brevilinea
Brevisira
Caloneis
3
Campylodiscus
1
Capartogramma
1
Cavinula
7
Chaetoceros
Chamaepinnularia
3
Cocconeis
5
Cosmioneis
3
Craspedostauros
Craticula
6
Ctenophora
Cyclostephanos
Cyclotella
2
Cylindrotheca
Cymatopleura
2
Cymbella
13
Cymbellonitzschia
1
Cymbopleura
22
Decussata
1
Delicata
Denticula
1
Diadesmis
2
Diatoma
4
Diatomella
1
Didymosphenia
1
Diploneis
2
Diprora
1
Discostella
Distrionella
1
Ellerbeckia
1
Encyonema
8
Encyonopsis
2
Entomoneis
4
Envekadea
Eolimna
1
Epithemia
4
Eucocconeis
4
Eunotia
30
Eupodiscus
1
Fallacia
3
Fistulifera
Fragilaria
2
Fragilariforma
3
Frickea
1
Frustulia
14
Geissleria
6
Gomphoneis
14
Gomphonema
11
Gomphosphenia
2
Gyrosigma
Halamphora
6
Hannaea
1
Hantzschia
Haslea
Hippodonta
4
Hydrosera
Hygropetra
1
Karayevia
7
Kobayasiella
5
Lemnicola
1
Luticola
Mastogloia
5
Mayamaea
Melosira
2
Meridion
2
Microcostatus
Microfissurata
Muelleria
Navicula
75
Navicymbula
1
Neidiomorpha
Neidiopsis
3
Neidium
3
Nitzschia
31
Nupela
15
Oricymba
Orthoseira
Parlibellus
1
Pinnularia
2
Placoneis
1
Plagiotropis
2
Planothidium
11
Platessa
6
Playaensis
Pleurosira
1
Pliocaenicus
Psammothidium
14
Pseudofallacia
1
Pseudostaurosira
6
Pseudostaurosiropsis
Punctastriata
1
Puncticulata
1
Reimeria
2
Rexlowea
1
Rhoicosphenia
1
Rhopalodia
2
Rossithidium
5
Scoliopleura
Sellaphora
9
Simonsenia
1
Skeletonema
Stauroforma
1
Stauroneis
45
Staurophora
5
Staurosira
3
Staurosirella
4
Stenopterobia
Stephanocyclus
Stephanodiscus
3
Surirella
9
Synedra
3
Tabellaria
Tabularia
1
Terpsinoƫ
Tetracyclus
Thalassiosira
2
Tryblionella
2
Ulnaria
Urosolenia
141 completed genera in the current database.
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