The INA is a card file and online reporting system maintained at the
Silva Center for Phycological Documentation
of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense).
The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here
Tabular display
Results from INA database
- Amphiprora navicularis C.G. Ehrenberg image
- Amphiprora navicularis Ehrenberg
- Amphiprora navicularis Ehrenberg
- Amphora naviculacea A.S. Donkin image
- Amphora navicularis C.G. Ehrenberg image
- Amphora navicularis C.G. Ehrenberg image
- Anomoeoneis sphaerophora var. navicularis O. Mueller image
- Blastodinium navicula Chatton image
- Chaetoceros navicula (Ehrenberg) T. Brightwell image
- Chilomonas naviculaeformis Schiller image
- Chlamydomonas navicularis J. Schiller image
- Closterium navicula (L.A. Brebisson) J. Lütkemüller image
- Closterium navicula f. duplo-maior J. Roubal image
- Closterium navicula f. majus_('major') F.E. Fritsch & M.F. Rich image
- Closterium navicula f. pyrenoidosum L.S. Peterfi image
- Closterium navicula var. granulatum (West & G.S. West) W. Krieger
- Closterium navicula var. inflatum (W. West & G.S. West) H. Croasdale
- Closterium navicula var. subcompactum (West & G.S. West) W. Krieger
- Closterium navicula var. tumidum Willi Krieger & P. Bourrelly image
- Cocconeis navicula C.G. Ehrenberg image
- Cocconeis navicularis C.G. Ehrenberg image
- Cocconema navicula C.G. Ehrenberg image
- Corbisema navicula (Ehrenberg) K.E. Busen & S.W. Wise, Jr. image
- Corbisema navicula (Ehrenberg) K.E. Busen & S.W. Wise, Jr. {invalid}
- Corbisema navicula subsp. constricta K.E. Busen & S.W. Wise, Jr. image
- Corbisema navicula subsp. constricta K.E. Busen & S.W. Wise, Jr. {invalid}
- Cosmarium naviculare Borge image
- Cryptomonas navicula J. Schiller image
- Cymbella incerta var. naviculacea (Grunow) Cleve
- Cymbella navicula (Ehrenberg) Ralfs image
- Cymbella navicula Skvortzov image
- Cymbella navicula Skvortzov {illeg.}
- Cymbella naviculacea Grunow
- Cymbella scotica var. naviculacea (Grunow) Ross image
- Cymbopleura navicularis L.L. Bahls
- Diadesmis navicula (C.G. Ehrenberg) J. Ralfs image
- Diatoma navicula Corda
- Dickensoniaforma navicularia R.P. Scherer
- Dictyocha navicula C.G. Ehrenberg image
- Dictyocha navicula C.G. Ehrenberg image
- Dictyocha navicula Ehrenberg
- Dictyocha navicula Ehrenberg
- Dictyocha navicula Ehrenberg
- Dictyocha navicula f. aspera P. Schulz
- Dictyocha navicula f. aspera P. Schulz-Danzig image
- Dictyocha navicula f. constricta P. Schulz
- Dictyocha navicula f. constricta P. Schulz-Danzig image
- Dictyocha navicula f. longispina K. Tsumura
- Dictyocha navicula f. minor P. Schulz-Danzig image
- Dictyocha navicula var. aspera P. Schulz
- Dictyocha navicula var. aspera P. Schulz-Danzig image
- Dictyocha navicula var. biapiculata E.J. Lemmermann image
- Dictyocha navicula var. constricta P. Schulz
- Dictyocha navicula var. constricta P. Schulz-Danzig image
- Dictyocha navicula var. minor P. Schulz
- Dictyocha navicula var. minor P. Schulz-Danzig image
- Dictyocha navicula var. naviculopsis K. Tsumura
- Dictyocha navicula var. rectangularis_('rectangulare') P. Schulz-Danzig image
- Dictyocha navicula var. robusta (Deflandre) K. Tsumura
- Dictyocha navicula var. trispinosa P. Schulz-Danzig image
- Dictyoneis navicula P.T. Cleve image
- Dictyoneis naviculacea P.T. Cleve image
- EU-NAVICULA F. Schütt image
- Encyonema prostratum var. naviculaceum A. Mayer
- Encyonopsis naviculacea (Grunow) K. Krammer
- Euglena navicula B. Zakrys image
- Euglena naviculiformis_(`naviculaeformis') J. Schiller
- Eunaviculopsis navicula (Ehrenberg) H.Y. Ling
- Gomphonema gracile var. naviculaceum_('naviculacea') P.T. Cleve image
- Gomphonema naviculaceum J. Pantocsek image
- Goniothecium navicula Ehrenberg image
- Hippodonta navicula M.S. Kulikovskiy, H. Lange-Bertalot, & D. Metzeltin
- Hippodonta navicula var. baicalensis G.V. Pomazkina & T.A. Sherbakova
- Histioneis navicula Kofoid image
- Homoeocladia navicularis (Brebisson ex Kützing) Kuntze image
- Leiofusa navicula Eisenack image
- Leptospathium navicula Cachon & Cachon-Enjumet image
- MELONAVICULA T. Christian
- Mastogloia asperula var. navicularis Jurilj image
- Melonavicula marylandica Christian image
- Melonavicula marylandica T. Christian
- NAVICULA image
- NAVICULA image
- NAVICULA image
- NAVICULA image
- NAVICULA image
- NAVICULA Bory image
- NAVICULA Gruppe LIMOSAE Grunow image
- NAVICULA division CALONEIS Cleve image
- NAVICULA sect. DIPLONEIS Karsten image
- NAVICULA sect. FISTULATAE D. McCall image
- NAVICULA sect. PSEUDO-AMPHIPRORA Cleve image
- NAVICULA subg. AURICULA Patrick image
- NAVICULA subg. DECUSSATA R. Patrick
- NAVICULA subg. GYROSIGMA (Hassall) Kützing image
- NAVICULA subg. NAVICULA Ehrenberg image
- NAVICULA subg. PINNULARIA Ehrenberg image
- NAVICULA subg. SURIRELLA Ehrenberg image
- NAVICULACEA Fjerdingstad image
- NAVICULACEA Focke image
- NAVICULACEA Perty image
- NAVICULACEAE Bessey image
- NAVICULACEAE Grunow image
- NAVICULACEAE Karsten image
- NAVICULACEAE Karsten image
- NAVICULACEAE Rabenhorst image
- NAVICULADICTA H. Lange-Bertalot
- NAVICULAE Schütt image
- NAVICULALES Bessey image
- NAVICULATAE Ehrenberg image
- Navicula [firma var.] tumescens Grunow image
- Navicula abaujensis Pantocsek image
- Navicula abbottii Cholnoky & Claus image
- Navicula abbreviata Grunow image
- Navicula abdita É. Manguin {illegitimate}
- Navicula abdita Krasske
- Navicula abdita Manguin image
- Navicula abducta Manguin image
- Navicula abelioensis Foged image
- Navicula aberantior R. Simonsen {illegitimate}
- Navicula aberrans R. Simonsen image
- Navicula aberrans R. Simonsen {illegitimate}
- Navicula abica J.R. Carter image
- Navicula abiskoensis Hustedt
- Navicula abiskoensis var. tibestii Manguin image
- Navicula abnormis Castracane image
- Navicula abnormis Grunow image
- Navicula aboensis (Cleve) Hustedt image
- Navicula abonuensis Foged image
- Navicula abraensis Foged image
- Navicula abrupta (Gregory) Donkin image
- Navicula abrupta var. compressa M. Peragallo image
- Navicula abrupta var. densestriata Østrup image
- Navicula abrupta var. linearis P. Schulz image
- Navicula abrupta var. rattrayi (Pantocsek) H. Peragallo & M. Peragallo
- Navicula abruptoides Hustedt
- Navicula abscondita Hustedt image
- Navicula absoluta Hustedt image
- Navicula absoluta Hustedt
- Navicula abstrusa Hustedt image
- Navicula abuensis Foged image
- Navicula abunda Hustedt image
- Navicula abundoides Cholnoky image
- Navicula abyssinica Grunow
- Navicula acacia Harting image
- Navicula accedens Hustedt image
- Navicula acceptata Hustedt
- Navicula accommoda Hustedt image
- Navicula accommoda f. robusta Foged image
- Navicula accomoda Hustedt
- Navicula accomoda f. robusta Foged
- Navicula accurata Hustedt image
- Navicula acephala Heribaud image
- Navicula acephala Schoeman image
- Navicula achnanthoides Skvortzov image
- Navicula achnanthoides Østrup image
- Navicula achthera M.H. Hohn & Hellerman image
- Navicula acidobionta Lange-Bertalot image
- Navicula acidobionta Lange-Bertalot {invalid}
- Navicula acidobiontica Tosh. Watanabe
- Navicula acidophila Cholnoky image
- Navicula acrocephala (Rabenhorst) Migula
- Navicula acrosphaeria (Brébisson) Kützing
- Navicula acrosphaeria (Brebisson) Kützing image
- Navicula acrosphaeria var. bacillaris Heribaud image
- Navicula acrosphaeria var. badeana Heribaud & Peragallo image
- Navicula acrosphaeria var. elongata Heribaud image
- Navicula acrosphaeria var. fossilis Lauby image
- Navicula acrosphaeria var. laevis M. Peragallo & Heribaud image
- Navicula acrosphaeria var. minor M. Peragallo & Heribaud image
- Navicula acrosphaeria var. sandvicensis A.W.F. Schmidt image
- Navicula acrosphaeria var. turgidula_('turgida') (Grunow) M. Peragallo
- Navicula acrosphaeria var. undulata (Cleve) M. Peragallo
- Navicula actinota G.W. Andrews image
- Navicula acuminata (Kützing) Kützing image
- Navicula acuminata (Smith) Ralfs image
- Navicula acus Cleve image
- Navicula acus Cleve image
- Navicula acus Ehrenberg image
- Navicula acus var. minuta Cleve-Euler image
- Navicula acuta (W. Smith) Hustedt image
- Navicula acuta (W. Smith) O'Meara image
- Navicula acuta (W. Smith) Schütt image
- Navicula acuta Kützing image
- Navicula acuta Meister image
- Navicula acuta Meister image
- Navicula acuta Skvortzov image
- Navicula acuticuneata D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula acuticuneatula D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula acutirostris Hustedt image
- Navicula acutiuscula (Gregory) Ralfs image
- Navicula adamantiformis Archibald image
- Navicula adamata Hustedt image
- Navicula adami Pantocsek image
- Navicula adamii_('Adami') Pantocsek
- Navicula adampeensis Foged image
- Navicula adamsii Cholnoky image
- Navicula addae_('addaae') Pantocsek image
- Navicula addicta Hustedt image
- Navicula adegoyensis D. Chudaev, I. Jüttner, & Z. Levkov
- Navicula adhaerens Mereschkowsky image
- Navicula admenda M.H. Hohn & Hellerman image
- Navicula adminensis D. Roberts & A. McMinn ex B. Van de Vijver & W.-H. Kusber {illegitimate}
- Navicula adminii D. Roberts & A. McMinn
- Navicula admiranda G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula admissa Hustedt
- Navicula adnata Hustedt
- Navicula adnata var. rostrata T. Watanabe & R. Usman
- Navicula adnatoides Cholnoky image
- Navicula adonis J. Brun image
- Navicula adonis var. gibbosa J. Brun image
- Navicula adriatica Grunow image
- Navicula adsidua R. Archibald image
- Navicula adumbrata Cholnoky image
- Navicula adumbrata M.H. Hohn & Hellerman {illegitimate}
- Navicula adumbrata M.H. Hohn & Hellerman image
- Navicula advena A.W.F. Schmidt image
- Navicula adversa Krasske image
- Navicula adversatrix Pantocsek image
- Navicula aedifex Pantocsek image
- Navicula aegyptiaca A.A. Zalat {illegitimate}
- Navicula aegyptiaca Salah image
- Navicula aemula Grunow image
- Navicula aemula var. major Cleve & Grove image
- Navicula aequalis (Ehrenberg) Kützing image
- Navicula aequalis Ehrenberg image
- Navicula aequatorialis Heiden
- Navicula aequinoctialis Montagne image
- Navicula aequoria Hustedt
- Navicula aerophila Krasske
- Navicula aestimata Hustedt
- Navicula aestiva Donkin
- Navicula aestiva var. rhombica P. Petit image
- Navicula aestuarii Brébisson ex Kützing
- Navicula aestuarii Brebisson ex Kützing image
- Navicula affinibaicalensis G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula affinis Ehrenberg
- Navicula affinis f. minor Frenguelli image
- Navicula affinis f. minor Frenguelli image
- Navicula affinis f. minor Suringar image
- Navicula affinis var. amphirhynchus (Ehrenberg) Grunow image
- Navicula affinis var. ampliata (Ehrenberg) Frenguelli image
- Navicula affinis var. firma (Kützing) Rabenhorst image
- Navicula affinis var. firma (Kützing) Rabenhorst
- Navicula affinis var. genuina Grunow image
- Navicula affinis var. intermedia Dippel image
- Navicula affinis var. producta (W. Smith) Rabenhorst image
- Navicula affinis var. undulata Grunow image
- Navicula affirmata Leuduger-Fortmorel image
- Navicula africana Ehrenberg
- Navicula africana Hustedt image
- Navicula africana P. Petit {illegitimate}
- Navicula afroalpina F. Gasse
- Navicula agatkae A. Witkowski, D. Metzeltin & H. Lange-Bertalot
- Navicula agellus Ehrenberg image
- Navicula aggerica E. Reichardt
- Navicula aggesta Hustedt image
- Navicula aglaos Hohn image
- Navicula agma M.H. Hohn & Hellerman image
- Navicula agmastriata Hohn & Hellerman
- Navicula agmastriata M.H. Hohn & Hellerman image
- Navicula agnewii Cholnoky image
- Navicula agnita Hustedt image
- Navicula agnita Hustedt image
- Navicula agrestiformis H.P. Gandhi ex Karthick
- Navicula agrestiformis H.P. Gandhi {invalid}
- Navicula agrestis Hustedt
- Navicula agulhasica Cholnoky image
- Navicula aikenenses Patrick image
- Navicula aikenensis R. Patrick
- Navicula airdevronsixii D.E. Kellogg, M. Stuiver, T.B. Kellogg, & G.H. Denton
- Navicula aitchelbee L. Bahls
- Navicula ajajensis A.P. Skabichevskij
- Navicula ajajensis Skabichevskií image
- Navicula ajenaensis Foged image
- Navicula aketechiensis Foged image
- Navicula akimensis Foged image
- Navicula aktinoides Skuja image
- Navicula alaskana Patrick & Freese image
- Navicula alata Ehrenberg image
- Navicula albinensis Grunow image
- Navicula alea M.H. Hohn & Hellerman image
- Navicula aleemii_('aleemi') Hustedt
- Navicula aleksandrae H. Lange-Bertalot, B. Bogaczewicz-Adamczak, & A. Witkowski
- Navicula algeriensis Montagne image
- Navicula algida Grunow image
- Navicula algor M.H. Hohn & Hellerman image
- Navicula aliena Krasske
- Navicula alineae H. Lange-Bertalot
- Navicula alisoviana (Skvortzov) A. Tuji
- Navicula allista M.H. Hohn & Hellerman image
- Navicula allmaniana (Gregory) Ralfs image
- Navicula allorgei É. Manguin
- Navicula allorgei Manguin image
- Navicula alluviana Heiden
- Navicula alpestris Grunow image
- Navicula alpestris var. inflata Pantocsek image
- Navicula alpestris var. minima R. d'Aubart image
- Navicula alpestris var. tatrica Gutwinski image
- Navicula alpha Cholnoky image
- Navicula alpha Cholnoky {illegitimate}
- Navicula alpha Cleve image
- Navicula alpina (W. Smith.) Grunow image
- Navicula alternans Schumann image
- Navicula alternans var. minor Schumann image
- Navicula alterofasciata Kooijman image
- Navicula altiplanensis U. Rumrich & H. Lange-Bertalot
- Navicula amabilis Hustedt image
- Navicula ambigua A.W.F. Smith image
- Navicula ambigua Ehrenberg
- Navicula ambigua f. craticula Van Heurck image
- Navicula ambigua f. craticularis Istvánffi image
- Navicula ambigua var. aubertii (Heribaud) Frenguelli image
- Navicula ambigua var. capitata Østrup image
- Navicula ambigua var. heribaudii_('heribaudi') Gallik image
- Navicula ambigua-perizonata Schumann image
- Navicula americana Ehrenberg
- Navicula americana Ehrenberg
- Navicula americana f. delicatula Moiseeva image
- Navicula americana f. delicatula Moisseeva
- Navicula americana f. hankensis Skvortzov image
- Navicula americana f. lignitica Hustedt image
- Navicula americana f. minor M. Peragallo & Héribaud
- Navicula americana f. minor M. Peragallo & Heribaud image
- Navicula americana f. pumicata Heiden image
- Navicula americana var. alastos Hohn & Hellerman
- Navicula americana var. alastos M.H. Hohn & Hellerman image
- Navicula americana var. bacillaris M. Peragallo & Heribaud image
- Navicula americana var. genuina Mayer image
- Navicula americana var. minor (M. Peragallo & Héribaud) M. Peragallo
- Navicula americana var. moesta Tempère & Peragallo
- Navicula americana var. parallela Mayer image
- Navicula americana var. yberae_('yberai') Frenguelli image
- Navicula amerinda J.R. Carter image
- Navicula amica Cleve & Grunow image
- Navicula amici -- image
- Navicula amicii -- image
- Navicula amicii Spencer image
- Navicula amicorum Grunow image
- Navicula amicorum var. madagascarensis Cleve image
- Navicula ammophila Grunow image
- Navicula ammophila f. minuta 'Grunow' image
- Navicula ammophila var. beckii Pantocsek image
- Navicula ammophila var. degenerans Grunow image
- Navicula ammophila var. flanatica (Grunow) Cleve image
- Navicula ammophila var. genuina Cleve-Euler image
- Navicula ammophila var. intermedia Grunow image
- Navicula ammophila var. lata Cleve-Euler image
- Navicula ammophila var. lata Karsten image
- Navicula ammophila var. latior Pantocsek
- Navicula ammophila var. oestrupii Cleve-Euler image
- Navicula amnicola M.H. Hohn & Hellerman image
- Navicula amoena Cleve image
- Navicula amoena E. Manguin ex Kociolek & Reviers
- Navicula amoena E. Manguin {invalid}
- Navicula amoena Manguin image
- Navicula amoena Manguin image
- Navicula amoeniformis_('amoenaeformis') Manguin image
- Navicula amoyensis Y. Gao, J. Sun & C. Chen
- Navicula amphibola Cleve
- Navicula amphibola f. alaskaensis Foged image
- Navicula amphibola f. rectangularis Foged image
- Navicula amphibola var. arctica Patrick & Freese image
- Navicula amphibola var. asymmetrica (Lagerstedt) A. Cleve-Euler image
- Navicula amphibola var. baicalensis Skvortzov & Meyer image
- Navicula amphibola var. curta Skvortzov image
- Navicula amphibola var. gracilis Skvortzov & Meyer image
- Navicula amphibola var. mandschurica Skvortzov image
- Navicula amphibola var. perrieri Peragallo & Heribaud image
- Navicula amphibola var. polymorpha P. Fusey image
- Navicula amphibola var. stauroneiformis Peragallo & Heribaud image
- Navicula amphibola var. subsalina Skvortzov image
- Navicula amphiceropsis H. Lange-Bertalot & U. Rumrich
- Navicula amphiceros Kützing image
- Navicula amphigomphus Ehrenberg
- Navicula amphigomphus Ehrenberg
- Navicula amphigomphus var. striata Kützing image
- Navicula amphilepta Ehrenberg image
- Navicula amphioxys Ehrenberg
- Navicula amphipleuroides Hustedt
- Navicula amphirhynchus Ehrenberg image
- Navicula amphirhynchus var. acuminata Pero image
- Navicula amphirhynchus var. major M. Peragallo & Heribaud image
- Navicula amphirhynchus var. majus -- image
- Navicula amphirrhina Ehrenberg image
- Navicula amphisbaena Bory image
- Navicula amphisbaena var. fuscata (Schumann) Grunow image
- Navicula amphisbaena var. liburnica (Grunow) M. Peragallo
- Navicula amphisbaena var. obtusa Carruthers image
- Navicula amphisbaena var. sphaerophora (Kützing) Rabenhorst image
- Navicula amphisbaena var. sphaerophora Rabenhorst
- Navicula amphisbaena var. subsalina (Donkin) T. Marsson
- Navicula amphisbaena var. vukotinovicii (Pantocsek) M. Peragallo
- Navicula amphisphenia Ehrenberg image
- Navicula amphistylus (Ehrenberg) Kützing image
- Navicula amphora Brun image
- Navicula amphora Ehrenberg image
- Navicula amphoroides O'Meara image
- Navicula ampliata Ehrenberg image
- Navicula ampliata var. minor M. Peragallo & Heribaud image
- Navicula amygdalina Husted ex Foged
- Navicula amygdalina f. tenera Moiseeva image
- Navicula anassae Cholnoky image
- Navicula anatis M.H. Hohn & Hellerman image
- Navicula anca J.R. Carter image
- Navicula anceps (Ehrenberg) Mann image
- Navicula anceps (Ehrenberg) Migula
- Navicula anceps var. amphicephala (Kützing) Hustedt
- Navicula anceps var. elongata (Cleve) Hustedt
- Navicula anceps var. gracilis (Ehrenberg) Hustedt
- Navicula anceps var. linearis (Ehrenberg) Hustedt
- Navicula ancilla Hendey image
- Navicula ancisa Hustedt
- Navicula ancora Weisse image
- Navicula anderabensis Foged image
- Navicula anderssonii Cleve image
- Navicula andesitica Pantocsek
- Navicula andicola (Cleve) Schütt image
- Navicula andium Frenguelli image
- Navicula andranokelyna Manguin
- Navicula andrussowii Pantocsek image
- Navicula andrzej-witkowskii G.V. Pomazkina, E.V. Rodionova, & T.A. Sherbakova
- Navicula anenuta Fusey image
- Navicula angarae D. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot
- Navicula angelorum Cleve
- Navicula angelorum var. excavata Wolle {illeg.}
- Navicula angensis E.V. Rodionova & G.V. Pomazkina
- Navicula angleana Lauby image
- Navicula anglica Ralfs
- Navicula anglica f. elongata Østrup image
- Navicula anglica f. major Cleve-Euler image
- Navicula anglica f. minor Istvánffi image
- Navicula anglica f. minor Limanowska image
- Navicula anglica f. minor Limanowska {illeg.}
- Navicula anglica f. minor Schaarschmidt
- Navicula anglica var. genuina Meister image
- Navicula anglica var. minuta Cleve image
- Navicula anglica var. signata Hustedt
- Navicula anglica var. subcruciata Grunow image
- Navicula anglica var. subsalsa (Grunow) Cleve
- Navicula anglophila H. Lange-Bertalot
- Navicula anglophila Lange-Bertalot image
- Navicula anglophila var. signata (Hustedt) Lange-Bertalot image
- Navicula angolensis Cholnoky image
- Navicula angulata J. Quekett image
- Navicula angulata Quekett
- Navicula angulosa Gregory image
- Navicula angulosa f. angustior Rabenhorst image
- Navicula angusta Grunow image
- Navicula angustata Ehrenberg image
- Navicula angustata W. Smith
- Navicula angustata var. flanatica (Grunow) Rabenhorst image
- Navicula anguste-fasciata Østrup image
- Navicula anhuiensis J.G. Yang
- Navicula ankobraensis Foged image
- Navicula anna Hendey image
- Navicula annexa Hustedt image
- Navicula annulana var. baikalensis Skvortzov image
- Navicula annulata Grunow
- Navicula anopaia Cholnoky image
- Navicula antarctica Frenguelli image
- Navicula antarctica J. Frenguelli {invalid}
- Navicula antarctica Karsten image
- Navicula antediluviana Hustedt
- Navicula anthracis Cleve & Brun image
- Navicula antillarum (Cleve & Grunow) A. Mann image
- Navicula antillarum (Cleve & Grunow) Mann image
- Navicula antillarum (Cleve) Schütt image
- Navicula antinitescens M. Peragallo
- Navicula antiqua Cleve-Euler image
- Navicula antiqua Skvortzov image
- Navicula antonii H. Lange-Bertalot
- Navicula antonioides B. Van de Vijver, A. Jarlman, & H. Lange-Bertalot
- Navicula antverpiensis B. Van de Vijver & H. Lange-Bertalot
- Navicula aparta Frenguelli image
- Navicula aperta Schumann image
- Navicula apia (Ehrenberg) Kützing image
- Navicula apiculata (Greville) A. Cleve-Euler {illegitimate}
- Navicula apiculata (Greville) Cleve-Euler image
- Navicula apiculata Brebisson image
- Navicula apiculata W. Smith ex Gregory image
- Navicula apiculata f. minima A.W.F. Schmidt image
- Navicula apiculata var. maculifera Grunow image
- Navicula apiculatoreinhardtii M.B. Edlund & N. Soninkhishig
- Navicula apiculatoreinhardtii f. biseriata M.B. Edlund & N. Soninkhishig
- Navicula aponina (Kützing) Kützing image
- Navicula aponina var. brachysira Kützing image
- Navicula appendiculata (C. Agardh) Kützing image
- Navicula appendiculata f. exilis (Grunow) Rabenhorst image
- Navicula appendiculata var. brevis R. d'Aubert image
- Navicula appendiculata var. budensis Grunow image
- Navicula appendiculata var. exilis Grunow image
- Navicula appendiculata var. irrorata Grunow
- Navicula appendiculata var. lanceolata Grunow image
- Navicula appendiculata var. naveana Grunow image
- Navicula appendiculata var. obtusa (Ehrenberg) Rabenhorst image
- Navicula applanata Hustedt image
- Navicula applicita Hustedt image
- Navicula applicita f. tenuis Hustedt image
- Navicula applicitoides Hustedt image
- Navicula apposita Hustedt image
- Navicula approximata Greville
- Navicula approximata f. elongata Hustedt image
- Navicula approximata f. manca (A.W.F. Schmidt) Hustedt image
- Navicula approximata f. morei (O'Meara) Hustedt image
- Navicula approximata f. typica Cleve image
- Navicula approximata var. couperi (Bailey) Cleve
- Navicula approximata var. finitima (Cleve) Hustedt image
- Navicula approximata var. kittoniana (A. Schmidt) Cleve image
- Navicula approximata var. mexicana Heiden image
- Navicula approximata var. nicaensis_('niceaensis') (Peragallo) Hendey
- Navicula approximata var. sardoa V. Zanon
- Navicula approximata var. schleinitzii (Janisch) Hustedt image
- Navicula approximata var. substauroneiformis Grunow
- Navicula approximatella Hustedt
- Navicula approximatella f. glabra Hustedt image
- Navicula approximatoides Hustedt
- Navicula apsteinii Pantocsek image
- Navicula apta Hustedt image
- Navicula aquaeductae (Krasske) Krasske image
- Navicula aquaeductae f. latiora Skvortzov image
- Navicula aquaedurae Lange-Bertalot
- Navicula aquaedurae Lange-Bertalot {invalid}
- Navicula aquitaniae J. Brun & Heribaud image
- Navicula aquitaniae var. undulata J. Brun & Heribaud image
- Navicula aquitanonipponica D. Sagnet, B. Van de Vijver & L. Tudesque
- Navicula aquosa Archibald image
- Navicula arabica Grunow image
- Navicula arabica Grunow ex A. Schmidt
- Navicula aradina Pantocsek image
- Navicula arata Grunow
- Navicula arata var. minor A. Cleve-Euler image
- Navicula arata var. producta Pantocsek image
- Navicula arata var. validior Pantocsek image
- Navicula araucaniana Frenguelli
- Navicula arcana Pantocsek image
- Navicula archeriana O'Meara
- Navicula archibaldiana Foged image
- Navicula arctica Cleve image
- Navicula arcuata Heiden image
- Navicula arcuata Heiden {illegitimate}
- Navicula arcuata Pantocsek image
- Navicula arcus Ehrenberg
- Navicula ardis Hohn image
- Navicula ardua Mann image
- Navicula arenaria Donkin image
- Navicula arenaria var. rostellata Lange-Bertalot image
- Navicula arenaria var. stricta Peragallo image
- Navicula arenaria var. sublinearis (Østrup) Boyer image
- Navicula arenariaeformis Pantocsek image
- Navicula arenariiformis var. major F. Gasse {invalid}
- Navicula arenicola Grunow image
- Navicula arenicola var. laticeps P. Schulz image
- Navicula arenosa Lauby image
- Navicula arenula M.H. Hohn & Hellerman image
- Navicula areolata Hustedt
- Navicula areschougiana Grunow image
- Navicula arguens Skvortzov image
- Navicula argunensis Skvortzov image
- Navicula argunensis var. jeniseyensis Skvortzov image
- Navicula argutiola M.H. Hohn & Hellerman image
- Navicula argutula Hustedt
- Navicula arida W. Bock
- Navicula ariiensis H. Okuno
- Navicula arkona H. Lange-Bertalot & A. Witkowski
- Navicula armata J.R. Carter image
- Navicula armoricana A. Amossé
- Navicula arraniensis O'Meara image
- Navicula artemidis Cholnoky image
- Navicula artificiosa Heiden image
- Navicula arvensiformis J.R. Carter image
- Navicula arvensis Hustedt image
- Navicula arvensis Hustedt
- Navicula arvensis f. major É. Manguin
- Navicula arvensis f. major Manguin image
- Navicula arvensis var. dubia H. Lange-Bertalot
- Navicula arvensis var. dubia Lange-Bertalot image
- Navicula arvensis var. major H. Lange-Bertalot {illegitimate}
- Navicula arvensis var. major Lange-Bertalot image
- Navicula arvensoides Hustedt image
- Navicula arverna M. Peragallo & Heribaud image
- Navicula arverna var. stauroneiformis Peragallo & Heribaud image
- Navicula asanwinsoensis Foged image
- Navicula asellus Weinhold ex Hustedt {invalid}
- Navicula ashantiensis Foged image
- Navicula asiatica Meister image
- Navicula asklepieionensis Foged
- Navicula aspera Ehrenberg image
- Navicula aspera var. hungarica Pantocsek image
- Navicula aspera var. intermedia Grunow image
- Navicula aspera var. pulchella (W. Smith) Cleve Frenguelli image
- Navicula aspergilla J.R. Carter & P. Denny
- Navicula aspersa Hustedt image
- Navicula asperula (Ehrenberg) Kützing image
- Navicula associata H. Lange-Bertalot
- Navicula assula Cholnoky image
- Navicula assuloides Giffen image
- Navicula assymetrica Pantocsek image
- Navicula astrolabensis Hendey image
- Navicula asymbasia M.H. Hohn & Hellerman image
- Navicula asymetrica Pantocsek image
- Navicula asymmetrica Cleve image
- Navicula atacamae Hustedt
- Navicula atacamana Patrick image
- Navicula atalos Hohn image
- Navicula atasensis Simonsen
- Navicula athenae A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula atlantica (A. Schmidt) A. Schmidt ex H. Peragallo & M. Peragallo
- Navicula atomarius Skvortzov image
- Navicula atomoides Grunow
- Navicula atomoides var. subserians Grunow image
- Navicula atomus (Kützing) Grunow image
- Navicula atomus var. alcimonica E. Reichardt
- Navicula atomus var. circularis Østrup image
- Navicula atomus var. excelsa (Krasske) Lange-Bertalot image
- Navicula atomus var. nipponica Skvortzov image
- Navicula atomus var. permitis (Hustedt) Lange-Bertalot image
- Navicula atomus var. recondita (Hustedt) Lange-Bertalot image
- Navicula attenuata (Kützing) Kützing image
- Navicula atwateri A.W.R. Seddon, A. Witkowski & E. Hemphill-Haley
- Navicula aubertii Heribaud image
- Navicula aueri G. Krasske
- Navicula aueri Krasske image
- Navicula auklandica Grunow
- Navicula aulacophaena Ehrenberg image
- Navicula aurangabadensis Sarode & Kamat image
- Navicula aurantiaca Schoeman image
- Navicula auriculata Hustedt
- Navicula aurora H.E. Sovereign
- Navicula aurora H.E. Sovereign {invalid}
- Navicula aurora Sovereign image
- Navicula australasiatica Y. Li & D. Metzeltin
- Navicula australica (A. Schmidt) Cleve image
- Navicula australis (Petit) M. Peragallo
- Navicula australoceanica A. Witkowski, C. Riaux-Gobin, & G. Daniszewska-Kowalczyk
- Navicula australomediocris H. Lange-Bertalot & R. Schmidt
- Navicula australoshetlandica B. Van de Vijver
- Navicula austrocollegarum H. Lange-Bertalot & R. Voigt
- Navicula austroshetlandica Carlson image
- Navicula avenacea (Rabenhorst) Brebisson ex Grunow image
- Navicula avenacea Brebisson image
- Navicula avenaceoides Gandhi image
- Navicula avenaceoides f. linearis Gandhi image
- Navicula avittata (Cholnoky) Cholnoky image
- Navicula avium (Tiffany, Herwig & F.A.S. Sterrenburg) Yuhang Li & Kuidong Xu
- Navicula avonensis Round image
- Navicula baardsethii Cleve-Euler image
- Navicula babeiensis D. Chudaev, A. Glushchenko, M. Kulikovskiy & J.P. Kociolek
- Navicula baccata J. Brun image
- Navicula bachmannii Hustedt
- Navicula bacillaris Gregory image
- Navicula bacillaris f. lanceolata O. Müller image
- Navicula bacillaris f. linearis O. Müller image
- Navicula bacillaris f. subrostrata O. Müller image
- Navicula bacillaris var. constricta Frenguelli image
- Navicula bacillaris var. cruciata O. Müller image
- Navicula bacillaris var. fontinalis Grunow image
- Navicula bacillaris var. inconstantissima Grunow
- Navicula bacillaris var. thermalis Grunow image
- Navicula bacillifera Pantocsek
- Navicula bacilliformis Grunow
- Navicula bacilliformis var. bullata Østrup
- Navicula bacilliformis var. bullata Østrup image
- Navicula bacilliformis var. cruciata Hustedt image
- Navicula bacilliformis var. genuina Mayer image
- Navicula bacilliformis var. intermedia Manguin image
- Navicula bacilliformis var. neglecta Mayer image
- Navicula bacilliformis var. subcapitata Østrup image
- Navicula bacilloides Hustedt
- Navicula bacillum Ehrenberg
- Navicula bacillum f. baicalensis Skvortzov & Meyer image
- Navicula bacillum f. delicatula J.R. Carter & Denny image
- Navicula bacillum f. intermedia Hustedt
- Navicula bacillum f. lanceolata (Østrup) Hustedt image
- Navicula bacillum f. trinodis J.B. Petersen image
- Navicula bacillum f. undulata Istvánffi image
- Navicula bacillum var. capita Gandhi image
- Navicula bacillum var. densestriata Østrup image
- Navicula bacillum var. elongata Skvortzov image
- Navicula bacillum var. gregoryana Cleve & Grunow
- Navicula bacillum var. gregoryana Grunow
- Navicula bacillum var. hankensis Skvortzov image
- Navicula bacillum var. inflatula Ströse
- Navicula bacillum var. jeniseyensis Skvortzov image
- Navicula bacillum var. jogensis Gandhi image
- Navicula bacillum var. lepida (Gregory) Cleve
- Navicula bacillum var. major Heribaud image
- Navicula bacillum var. mexicana Grunow image
- Navicula bacillum var. parallela Skvortzov image
- Navicula bacillum var. rectangularis Manguin image
- Navicula bacillum var. rostrata A. Mayer ex Hustedt
- Navicula bacterium Ehrenberg
- Navicula bacterium Frenguelli image
- Navicula bacula M.H. Hohn & Hellerman image
- Navicula baculus Cleve image
- Navicula baddensis F. Gasse
- Navicula bahiensis Zimmermann image
- Navicula bahuensoides Foged image
- Navicula bahusiensis (Grunow) Cleve image
- Navicula bahusiensis (Grunow) Grunow image
- Navicula bahusiensis var. arctica Grunow image
- Navicula bahusiensis var. istriana (Grunow) Cleve image
- Navicula bahusiensoides Foged
- Navicula baicalcollegarum M.S. Kulikovskiy & H. Lange-Bertalot
- Navicula baicalconcentrica M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula baicalensis Skvortzov & Meyer image
- Navicula baicalirmengardis M.S. Kulikovskiy & D. Metzeltin
- Navicula baicaloblonga G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula baicalocylindrata E.V. Rodionova & G.V. Pomazkina
- Navicula baicalofrigidicola D. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot
- Navicula baicalogracilis M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula baicalogregaria G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula baicaloppugnata M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula baicaloradiosa M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula baicalupsaliensis (D. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot) V.S. Vishnyakov & M.S. Kulikovskiy
- Navicula baileyana Grunow image
- Navicula baileyana var. septentrionalis Østrup image
- Navicula baileyi -- image
- Navicula baileyi Cholnoky image
- Navicula baileyi Ehrenberg
- Navicula bainii Cholnoky image
- Navicula bakiana A. Witkowski & H. Lange-Bertalot
- Navicula bakievae D. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot
- Navicula balatonis Pantocsek
- Navicula balcanica Hustedt
- Navicula baldjickiensis Heiden
- Navicula balearica (Cleve) Cleve image
- Navicula balfouriana (Grunow ex Cleve) M. Peragallo
- Navicula balliformis -- image
- Navicula balnearis var. major W. West image
- Navicula baltica Ehrenberg
- Navicula baltica Grunow image
- Navicula bamboiensis Foged image
- Navicula bannajensis J.B. Petersen image
- Navicula bansoensis Foged image
- Navicula barbadensis Ehrenberg image
- Navicula barbadensis_('barbadense') Vickers image
- Navicula barbara Heiden
- Navicula barbara var. densestriata Foged
- Navicula barbarica Hustedt image
- Navicula barbarica var. robusta Foged image
- Navicula barberi Hendey image
- Navicula barberiana Foged image
- Navicula barbitos A. Schmidt
- Navicula barclayana Gregory
- Navicula barentsii Foged
- Navicula barentsii var. capitata_('capiata') W.M. Bao & C. Reimer
- Navicula barkeriana O'Meara image
- Navicula barkeriana O'Meara image
- Navicula barklayana 'Gregory', err. cit. image
- Navicula barodensis H.P. Gandhi ex Karthick
- Navicula barodensis H.P. Gandhi {invalid}
- Navicula barrowiana Patrick & Freese image
- Navicula bartholomei Cleve image
- Navicula basaltaeproxima J. Brun & Heribaud image
- Navicula basaltaeproxima f. bigibba J. Brun & Heribaud image
- Navicula basaltaeproxima f. recta J. Brun & Heribaud image
- Navicula basaltaeproxima var. longistriata Peragallo & Heribaud image
- Navicula basilica Brun
- Navicula basillica Pantocsek image
- Navicula bastowii Hustedt image
- Navicula bauemleri var. interrupta Pantocsek image
- Navicula bauemleri_('Baümlerii') Pantocsek image
- Navicula bawdiaensis Foged image
- Navicula bdesma Hohn image
- Navicula beaufortiana Hustedt image
- Navicula beccariana Grunow
- Navicula beckii Pantocsek image
- Navicula begeri Krasske
- Navicula begeri f. constricta Krasske
- Navicula beketowii Mereschkowsky image
- Navicula belacholnokyi Molinari & Guiry
- Navicula bella Hustedt
- Navicula bella Karaeva image
- Navicula bellatii Frenguelli image
- Navicula belliatula R.E.M. Archibald image
- Navicula bellissima Hustedt image
- Navicula belsesiensis J.R. Carter
- Navicula bendaensis H.J. Schrader & J. Fenner
- Navicula bengalensis Grunow image
- Navicula bergeni Hohn image
- Navicula bergeni M.H. Hohn
- Navicula bergstromiana B. Van de Vijver & E. Verleyen
- Navicula berriatii var. minor Heribaud image
- Navicula berriatii var. splendida Heribaud image
- Navicula berriatii_('Berriati') Héribaud
- Navicula berriatii_('Berriati') Heribaud image
- Navicula bertelsenii Foged image
- Navicula bertrandii_('Bertrandi') Lauby image
- Navicula besarensis Giffen image
- Navicula beta Cleve image
- Navicula beyrichiana A.W.F. Schmidt image
- Navicula beyrichiana f. minor Pantocsek image
- Navicula beyrichiana var. minor 'Pantocsek' image
- Navicula biaculeata Cleve-Euler image
- Navicula biakensis Cholnoky image
- Navicula bialbata H. Peragallo & M. Peragallo
- Navicula biblos Cleve image
- Navicula bicapitata Heiden image
- Navicula bicapitata Lagerstedt
- Navicula bicapitata O'Meara image
- Navicula bicapitata var. constricta (Grunow) O'Meara image
- Navicula bicapitata var. crucifera O'Meara image
- Navicula bicapitata var. hybrida Grunow image
- Navicula bicapitata var. sulcata Heribaud image
- Navicula bicapitata var. truncata Østrup image
- Navicula bicapitellata Hustedt image
- Navicula bicarinata Ehrenberg
- Navicula bicephala Hustedt image
- Navicula bicephala var. manguinii_(`manguini') R. Maillard {invalid}
- Navicula bicephaloides B. Van de Vijver & R. Zidarova
- Navicula biceps Bory image
- Navicula biceps Ehrenberg image
- Navicula biceps var. stauroneiformis M. Peragallo
- Navicula biclavata Cleve & Grove image
- Navicula biconica Patrick image
- Navicula biconifera Morren image
- Navicula biconstricta Grove & Sturt image
- Navicula biconstricta Grunow image
- Navicula bicontracta Østrup
- Navicula bicontracta Østrup image
- Navicula bicuneata Grunow
- Navicula bicuneolus D. Metzeltin & H. Lange-Bertalot
- Navicula bicuspidata Cleve & Grunow image
- Navicula biddulphioides Hustedt image
- Navicula bidentula J.B. Petersen image
- Navicula bievexa Hohn image
- Navicula bifax Hohn & Hellerman
- Navicula bifax M.H. Hohn & Hellerman image
- Navicula bifissa A.W.F. Schmidt image
- Navicula biflexa (A. Schmidt) Giffen image
- Navicula biformis (Grunow) A. Mann image
- Navicula biformis (Grunow) Schütt image
- Navicula bifrons Ehrenberg image
- Navicula bifurcatula Hustedt image
- Navicula bigemmata A. Mann image
- Navicula biglobosa Schumann image
- Navicula bihastata A. Mann image
- Navicula bilineata Schumann image
- Navicula bilobata Leuduger-Fortmorel image
- Navicula bimaculata Pantocsek image
- Navicula binaria A. W.F. Schmidt image
- Navicula binodis Ehrenberg
- Navicula binodis var. capitata Manguin image
- Navicula binodis var. stadleri Ant. Mayer {invalid}
- Navicula binodulosa Sullivan & Reimer image
- Navicula bintila J.R. Carter & Denny image
- Navicula binziana T. Marsson
- Navicula bioculata Grunow ex A. Schmidt
- Navicula bioculata Grunow ex A.W.F. Schmidt image
- Navicula bipatens Heiden image
- Navicula bipectinalis Schumann image
- Navicula bipunctata Bory
- Navicula bipunctata Grunow image
- Navicula bipunctata O'Meara image
- Navicula bipustulata Mann image
- Navicula birhis Hohn image
- Navicula birostrata Gregory image
- Navicula birostris (Ehrenberg) Ralfs image
- Navicula birostris Ehrenberg image
- Navicula biscalaris Brebisson image
- Navicula biseriata P. Petit
- Navicula biseriata Petit image
- Navicula biskanteri Hustedt image
- Navicula bisulcata Lagerstedt image
- Navicula bisulcata f. major M. Peragallo & Heribaud image
- Navicula bisulcata var. turgidula Lagerstedt image
- Navicula bita Hohn image
- Navicula bituminosa Pantocsek image
- Navicula bituminosa var. chankensis Jouse image
- Navicula bituminosa var. cincta (Pantocsek) Cleve image
- Navicula bituminosa var. latecapitata Pantocsek image
- Navicula bituminosa var. robusta Pantocsek image
- Navicula bituminosa var. signata Pantocsek image
- Navicula bituminosa var. staurophora Pantocsek image
- Navicula bituminosa var. valida Pantocsek image
- Navicula bivittata Pantocsek image
- Navicula biwaensis (Skvortzov) T. Ohtsuka
- Navicula bjoernoeyaensis D. Metzeltin, A. Witkowski, & H. Lange-Bertalot
- Navicula blanda A. Schmidt image
- Navicula blanda var. minor H. Peragallo & M. Peragallo
- Navicula blasii Frenguelli image
- Navicula blazenciciae_('blazencicae') Z. Levkov & S. Krstic
- Navicula bleischiana Janisch & Rabenhorst image
- Navicula bleischii Janisch image
- Navicula blessingii Gran image
- Navicula blotii Heribaud image
- Navicula bodosensis Pantocsek image
- Navicula boeckii (Ehrenberg) Heiberg image
- Navicula boergesenii Østrup image
- Navicula bogotensis Grunow image
- Navicula bohemica Ehrenberg
- Navicula bohemica f. tropicalis Brun
- Navicula bohemica var. tropicalis (Brun) M. Peragallo
- Navicula bolleana (Grunow) Cleve image
- Navicula bolleana var. asymmetrica Cleve image
- Navicula bolleana var. intermedia Østrup image
- Navicula bolleana var. siberica Grunow image
- Navicula bombiformis Leuduger-Fortmorel image
- Navicula bomboides A.Schmidt image
- Navicula bomboides var. limanensis_('limanense') Heribaud image
- Navicula bomboides var. media Grunow
- Navicula bomboides var. minor Heribaud & Brun image
- Navicula bomboides var. minor J. Brun & Heribaud image
- Navicula bombus (Ehrenberg) Kützing image
- Navicula bombus var. densestriata (A.W.F. Schmidt) A.W.F. Schmidt image
- Navicula bombus var. egena (A.W.F. Schmidt) A.W.F. Schmidt image
- Navicula bombus var. kuetzingii_('Kutzingii') (Grunow) Leuduger-Fortmorel
- Navicula bombus var. kutzingii -- image
- Navicula bombus var. minor Leuduger-Fortmorel image
- Navicula bongrainii M. Peragallo image
- Navicula bonnieri Lauby image
- Navicula borbassii_('borbássii') Pantocsek image
- Navicula borealis (Ehrenberg) Kützing image
- Navicula borealis f. minor (M. Peragallo & Heribaud) Frenguelli image
- Navicula borealis f. minor Frenguelli image
- Navicula borealis f. robusta Nave image
- Navicula borealis f. wagneri Eber image
- Navicula borealis var. fossilis Pantocsek image
- Navicula borealis var. linearis Heribaud image
- Navicula borealis var. major M. Peragallo & Heribaud image
- Navicula borealis var. minor M. Peragallo & Heribaud image
- Navicula borealis var. producta Grunow image
- Navicula borealis var. scalaris (Ehrenberg) Grunow image
- Navicula borinquensis Hagelstein image
- Navicula boris-skvortzowii M.S. Kulikovskiy, D. Metzeltin, & H. Lange-Bertalot
- Navicula borneoensis Hustedt image
- Navicula borowkae A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula borrichii J.B. Petersen
- Navicula borrichii var. subcapitata J.B. Petersen
- Navicula borrichii var. undulata J.B. Petersen image
- Navicula borussica Cleve image
- Navicula borussica Cleve image
- Navicula boryana Pantocsek
- Navicula boseana Skvortzov image
- Navicula boseana var. bacillum Skvortzov image
- Navicula bossvikensis S. Busse & P. Snoeijs
- Navicula bosumtwiensis Foged image
- Navicula botteriana Grunow image
- Navicula botteriana var. minor Grunow image
- Navicula bottnica Grunow image
- Navicula bottnica Grunow image
- Navicula bottnica f. acuta J.R. Carter & P. Denny
- Navicula boudetii M. Peragallo image
- Navicula bouhardii_('Bouhardi') Heribaud image
- Navicula bouhardii_('bouhardi') Heribaud image
- Navicula bouillantensis D. Metzeltin & H. Lange-Bertalot
- Navicula bourgii_('Bourgi') Lauby image
- Navicula bourrellyi E. Manguin ex Kociolek & Reviers
- Navicula bourrellyi E. Manguin {invalid}
- Navicula bourrellyi Manguin image
- Navicula bourrellyivera H. Lange-Bertalot, A. Witkowski, & K. Stachura
- Navicula boyei Østrup image
- Navicula bozenae H. Lange-Bertalot, A. Witkowski, & A. Zgrundo
- Navicula brachium Hustedt
- Navicula brachysira Brebisson image
- Navicula brachysira Brebisson ex Rabenhorst image
- Navicula branchiata A. Mann image
- Navicula brandelii Cleve ex Migula
- Navicula brasiliana (Cleve) Cleve image
- Navicula brasiliana f. platensis (Frenguelli) Hustedt
- Navicula brasiliana var. guadalupensis Manguin image
- Navicula brasiliana var. platensis Frenguelli
- Navicula brasiliensis Grunow
- Navicula brasiliensis f. constricta Boyer image
- Navicula brasiliensis var. bicuneata Cleve
- Navicula brasiliensis var. fossilis Pantocsek image
- Navicula brasiliensis var. minor Prowse image
- Navicula brasiliensis var. minor Zanon image
- Navicula brasiliensis var. notata Van Heurck image
- Navicula brauniana Grunow
- Navicula braunii Grunow image
- Navicula braunii var. moissacensis Héribaud
- Navicula braunii var. moissacensis Heribaud image
- Navicula braunii var. stauroneiformis_('stauroneiforme') (Grunow) Wolle
- Navicula brebissonii Kützing image
- Navicula brebissonii f. lucida Lauby image
- Navicula brebissonii var. angusta Grunow image
- Navicula brebissonii var. attenuata M. Peragallo image
- Navicula brebissonii var. bicuneata Grunow {invalid}
- Navicula brebissonii var. diminuta Grunow
- Navicula brebissonii var. elongata J. Brun & Heribaud image
- Navicula brebissonii var. fossilis Pantocsek image
- Navicula brebissonii var. intermedia M. Peragallo image
- Navicula brebissonii var. lanceolata Østrup image
- Navicula brebissonii var. mormonorum (Grunow) M. Peragallo
- Navicula brebissonii var. ovalis H. Peragallo image
- Navicula brebissonii var. subcapitata (Rabenhorst) M. Peragallo
- Navicula brebissonii var. subconstricta Pantocsek image
- Navicula breenii R.E.M. Archibald image
- Navicula brehmii f. elongata Skvortzov image
- Navicula brehmii_('Brehmi') Hustedt image
- Navicula brehmioides Hustedt
- Navicula breitenbuchii H. Lange-Bertalot
- Navicula brekkaensis J.B. Petersen
- Navicula brekkaensis var. andegavensis H. Germain
- Navicula brekkaensis var. bigibba Hustedt
- Navicula brekkaensis var. brekkaensoides (Bock) Lange-Bertalot image
- Navicula brekkaensis var. lata Cholnoky image
- Navicula brekkaensis var. trigibba Cholnoky image
- Navicula brekkaensoides W. Bock
- Navicula bremensis Hustedt
- Navicula bremeyeri Hustedt image
- Navicula bremeyeri f. rostrata Hustedt
- Navicula breviata Hustedt
- Navicula brevicostata Cleve ex Migula
- Navicula brevicostata var. demerarae (Cleve) M. Peragallo
- Navicula brevicostata var. plana (J.-J. Brun) M. Peragallo
- Navicula brevis Cleve-Euler image
- Navicula brevis Gregory image
- Navicula brevis f. angustior Grunow image
- Navicula brevis var. distoma (Grunow) Frenguelli image
- Navicula brevis var. distoma Grunow image
- Navicula brevis var. vexans Grunow image
- Navicula brevissima Hustedt
- Navicula brevissima var. africana Cholnoky image
- Navicula brevissima var. elongata É. Manguin
- Navicula brevissima var. elongata Manguin image
- Navicula brevistriata Grunow image
- Navicula britannica Hustedt & Aleem
- Navicula britannica var. apiculata R.F. Bastow
- Navicula brockmannii Hustedt image
- Navicula brockmannii var. enucleata Hustedt image
- Navicula brockmannii var. undulata H.Z. Zhu & J.Y. Chen
- Navicula brockmannii_(`brockmanni') Hustedt
- Navicula broetzii H. Lange-Bertalot & Reichardt
- Navicula brokenshirei R.F. Bastow
- Navicula bronislaae I. Kaczmarska
- Navicula bruchii Grunow image
- Navicula brunelii M. Poulin, C. Hudon, & A. Cardinal
- Navicula brunii Cleve image
- Navicula brunii Pantocsek image
- Navicula brunii_('Bruni') Cleve-Euler image
- Navicula bruyantii_('Bruyanti') Lauby image
- Navicula brygidae H. Lange-Bertalot, A. Witkowski & J.P. Kociolek
- Navicula bryophila J.B. Petersen
- Navicula bryophila f. constricta R.F. Bastow
- Navicula bryophila var. aquaeductae (Krasske) Lange-Bertalot image
- Navicula bryophila var. capitata Cholnoky image
- Navicula bryophila var. lapponica Hustedt image
- Navicula bryophila var. paucistriata H.Z. Zhu & J.Y. Chen
- Navicula bryophila var. trigibba Cholnoky image
- Navicula bryophiloides É. Manguin
- Navicula bryophiloides É. Manguin {invalid}
- Navicula bryophiloides Manguin image
- Navicula bryophiloides Manguin image
- Navicula bryophiloides var. linearis R. Maillard {invalid}
- Navicula buccella M.H. Hohn & Hellerman image
- Navicula buchansiana Woodhead & Tweed image
- Navicula budayana Pantocsek
- Navicula budda Skvortzov image
- Navicula budensis Grunow image
- Navicula buderi Hustedt
- Navicula buderiformis H.P. Gandhi ex Karthick
- Navicula buderiformis H.P. Gandhi {invalid}
- Navicula bullata Norman image
- Navicula bullata Norman image
- Navicula bullata var. carinata Castracane image
- Navicula bullata var. moelleriana Janisch image
- Navicula bullata var. obtusa Castracane image
- Navicula bullata var. rhomboidea Castracane image
- Navicula bulnheimii Grunow image
- Navicula bulnheimii var. belgica Grunow
- Navicula bulnheimii var. caspica Karaeva Karajeva image
- Navicula burckii_('burcki') Reinhold image
- Navicula bushmanorum Cholnoky image
- Navicula butreensis Foged image
- Navicula caddoensis Bond image
- Navicula cadeei B. Van de Vijver & C. Cocquyt
- Navicula cadoi Z. Levkov & S. Krstic
- Navicula caduca Hustedt image
- Navicula caeca A. Mann image
- Navicula caenosus J.R. Carter image
- Navicula calcuttensis Skvortzov image
- Navicula calcuttensis var. gracillis Skvortzov image
- Navicula caldwellii Bastow image
- Navicula caldwellii R.F. Bastow
- Navicula calida Hendey image
- Navicula calida N.I. Hendey
- Navicula californica Greville
- Navicula californica var. campechiana Grunow image
- Navicula californica var. elliptica H. Peragallo
- Navicula caliginosa Cleve & Grove image
- Navicula calva Østrup image
- Navicula calvata Manguin image
- Navicula camerata Cholnoky image
- Navicula campanilae Cholnoky image
- Navicula campbellii P. Petit
- Navicula campbellii Petit image
- Navicula campylodiscus Ehrenberg
- Navicula campylodiscus Grunow image
- Navicula campylodiscus var. minor H. Peragallo & M. Peragallo
- Navicula campylogramma Ehrenberg image
- Navicula campylogramma Ehrenberg image
- Navicula canali-kharicutensis Guiry & Karthick
- Navicula canaliculata Cleve image
- Navicula canalis Patrick image
- Navicula canariana Lange-Bertalot
- Navicula cancellata Donkin image
- Navicula cancellata f. constricta P. Schulz image
- Navicula cancellata f. minor P. Schulz image
- Navicula cancellata f. stauroneiformis P. Schulz image
- Navicula cancellata var. ammophila (Grunow) Van Heurck image
- Navicula cancellata var. brasiliensis Zimmermann image
- Navicula cancellata var. gregorii (Ralfs) Grunow image
- Navicula cancellata var. impressa (Lagerstedt) Grunow image
- Navicula cancellata var. interrupta Mereschkowsky image
- Navicula cancellata var. interrupta Mereschkowsky image
- Navicula cancellata var. maroccana Cleve image
- Navicula cancellata var. minuta Grunow image
- Navicula cancellata var. retusa (Brebisson) Cleve image
- Navicula cancellata var. scaldensis Van Heurck image
- Navicula cancellata var. schmidtii Grunow image
- Navicula cancellata var. subapiculata Grunow image
- Navicula candida Schumann image
- Navicula canoris Hohn & Hellerman
- Navicula canoris M.H. Hohn & Hellerman image
- Navicula cantonatii H. Lange-Bertalot
- Navicula cantonensis Ehrenberg image
- Navicula capensis M. Peragallo image
- Navicula capillata Giffen image
- Navicula capitata Cleve image
- Navicula capitata Ehrenberg
- Navicula capitata Ehrenberg {invalid}
- Navicula capitata Ehrenberg {invalid}
- Navicula capitata Fontell image
- Navicula capitata Fontell {illegitimate}
- Navicula capitata var. hungarica (Grunow) R. Ross image
- Navicula capitata var. luneburgensis (Grunow) Patrick image
- Navicula capitatoradiata H. Germain {invalid}
- Navicula capitellata Cleve-Euler image
- Navicula capitellata Skvortzov image
- Navicula capitulata Frenguelli image
- Navicula capitulata var. punensis Frenguelli image
- Navicula capsa Hohn image
- Navicula capsula Cleve-Euler image
- Navicula caractacus M.H. Hohn & Hellerman image
- Navicula carassius Ehrenberg image
- Navicula cardinaliculus (Cleve) Mann image
- Navicula cardinaliculus var. margaritacea Zimmermann image
- Navicula cardinalis Ehrenberg image
- Navicula cardinalis var. africana Brun image
- Navicula cardinalis var. subconstricta Rattray
- Navicula carecti Cholnoky image
- Navicula cari Ehrenberg image
- Navicula cari f. indica Sarode & Kamat image
- Navicula cari var. angusta 'Van Heurck' image
- Navicula cari var. cincta (Ehrenberg) Lange-Bertalot image
- Navicula cari var. divergentissima R. Maillard {invalid}
- Navicula cari var. linearis (Østrup) Cleve- Euler image
- Navicula cari var. minor Krasske image
- Navicula cari var. recens H. Lange-Bertalot
- Navicula cari var. rostrata Skvortzov
- Navicula caribaea Cleve
- Navicula carinata (Schumann) Cleve-Euler image
- Navicula carinata Ehrenberg image
- Navicula carinifera Grunow image
- Navicula carinifera var. densius-striata A.W.F. Schmidt image
- Navicula carinifera var. laxepunctata Cleve image
- Navicula carinifera var. minor Grunow image
- Navicula cariocincta Lange-Bertalot {invalid}
- Navicula cariocinctae H. Lange-Bertalot
- Navicula carlae A. Witkowski, H. Lange-Bertalot & J.P. Kociolek
- Navicula carloffii Foged image
- Navicula carminata var. africana Cholnoky image
- Navicula carniolensis Hustedt image
- Navicula carolinensis Ehrenberg image
- Navicula caroliniae L. Bahls
- Navicula caroliniana Patrick image
- Navicula caroliniana R. Patrick
- Navicula carpathorum Pantocsek image
- Navicula carpathorum Pantocsek image
- Navicula carpathorum var. bivittata Pantocsek image
- Navicula carstensenii Foged image
- Navicula carvajaliana Patrick image
- Navicula carvajaliana var. attenuata Patrick image
- Navicula cascadensis H.E. Sovereign
- Navicula cascadensis H.E. Sovereign {invalid}
- Navicula cascadensis Sovereign image
- Navicula casertana De Notaris image
- Navicula cassieana Foged image
- Navicula castracanei Grunow image
- Navicula castracanei var. caledonica (Cleve) M. Peragallo
- Navicula castracanei var. philippinarum (Cleve) M. Peragallo
- Navicula catalanogermanica Lange-Bertalot & G. Hofmann
- Navicula catalanogermanica Lange-Bertalot & G. Hofmann {invalid}
- Navicula cataracta-rheni Lange-Bertalot
- Navicula cataractarheni Lange-Bertalot {invalid}
- Navicula cataractarum Hustedt image
- Navicula catarinensis G. Krasske
- Navicula catarinensis Krasske image
- Navicula caterva M.H. Hohn & Hellerman image
- Navicula catharinae Ehrenberg image
- Navicula caudata M.S. Kulikovskiy, D. Metzeltin & H. Lange-Bertalot
- Navicula caudata var. austrolacustris E.V. Rodionova & G.V. Pomazkina
- Navicula caudata var. elliptica G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula caudata var. romboidea G.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova
- Navicula caudata var. skvortzowii E.V. Rodionova & G.V. Pomazkina
- Navicula caupulus Hohn image
- Navicula cavernae Cholnoky image
- Navicula ceciliae B. Van de Vijver, A. Jarlman, & H. Lange-Bertalot
- Navicula cefarellii A.A. Vouilloud & J.M. Guerrero
- Navicula celinei A. Witkowski, D. Metzeltin, & H. Lange-Bertalot
- Navicula cellesensis Heribaud & Peragallo image
- Navicula cendronii Manguin image
- Navicula centrafricana Fusey {invalid}
- Navicula centrafricana var. elongata Fusey
- Navicula centraster Cleve image
- Navicula centropunctata Hustedt
- Navicula ceratogramma Ehrenberg image
- Navicula ceratostigma Ehrenberg image
- Navicula ceres Schumann image
- Navicula cerevisiae_('cerevisia') B. Laslandes & J.P. Kociolek
- Navicula cerneutia Hohn image
- Navicula certa Hustedt image
- Navicula certa Meister image
- Navicula cesatii Rabenhorst
- Navicula ceylanensis Leuduger-Fortmorel image
- Navicula chaberti Heribaud image
- Navicula chabertii_('Chaberti') Héribaud
- Navicula chadwickii Foged image
- Navicula challengeri Grunow
- Navicula chandolensis Gandhi image
- Navicula chandolensis var. capitata Gandhi image
- Navicula chansiensis Skvortzov
- Navicula charcotii M. Peragallo image
- Navicula charcotii Peragallo
- Navicula charcotii var. fossilis Frenguelli
- Navicula charcotii var. magellanica Frenguelli
- Navicula charlatii M. Peragallo
- Navicula charlatii f. chilensis (Hustedt) Hustedt image
- Navicula charlatii f. simplex Hustedt
- Navicula charlatii var. chilensis Hustedt
- Navicula charlatii var. jogensis -- image
- Navicula charlatii var. jogensis H.P. Gandhi
- Navicula charlatii var. lanceolata Gandhi image
- Navicula charlatii var. lanceolata H.P. Gandhi
- Navicula charlottae Foged image
- Navicula charontis Ehrenberg image
- Navicula charontis Ehrenberg image
- Navicula chasei Cholnoky image
- Navicula chasmaensis Foged image
- Navicula chasmigera Cholnoky image
- Navicula chaspula J.R. Carter & Denny image
- Navicula chassagnei Heribaud image
- Navicula chauhanii H.P. Gandhi ex Karthick
- Navicula chauhanii H.P. Gandhi {invalid}
- Navicula cheldonensis R.F. Bastow
- Navicula chersonensis Grunow image
- Navicula cherubim R. Ross image
- Navicula chi Cleve image
- Navicula chiarae H. Lange-Bertalot & S.I. Genkal
- Navicula chiengmaiensis Foged image
- Navicula chilensis (Ehrenberg) Kützing image
- Navicula chimmoana O'Meara image
- Navicula chinensis Skvortzov image
- Navicula chloridorum Cholnoky image
- Navicula cholnokyana Foged image
- Navicula cholnokyi H.P. Gandhi image
- Navicula chordata Archibald image
- Navicula chrissiana Cholnoky image
- Navicula chutteri Cholnoky image
- Navicula chyzeri_('chyzerii') Pantocsek image
- Navicula ciliata Corda
- Navicula cimex Cholnoky image
- Navicula cincta (Ehrenberg) Ralfs image
- Navicula cincta Pantocsek image
- Navicula cincta f. curta J.B. Petersen image
- Navicula cincta f. major Holsinger image
- Navicula cincta f. minuta Van Heurck
- Navicula cincta f. sphagnicola Skvortzov image
- Navicula cincta var. angusta (Grunow) Cleve image
- Navicula cincta var. cari (Ehrenberg) Cleve image
- Navicula cincta var. genuina Mayer image
- Navicula cincta var. heufleri (Grunow) Van Heurck image
- Navicula cincta var. kansouensis Skvortzov
- Navicula cincta var. leptocephala (Brebisson) Van Heurck image
- Navicula cincta var. linearis Østrup image
- Navicula cincta var. minuta Skvortzov image
- Navicula cincta var. paucistriata Skvortzov image
- Navicula cincta var. rostrata Reimer image
- Navicula cincta var. siamensis Østrup image
- Navicula cincta var. stricta R. d'Aubert image
- Navicula cincta-magna_('cincta magna') J. Brun image
- Navicula cinctaeformis Hustedt image
- Navicula cingens Skvortzov
- Navicula cingulatoides Cholnoky image
- Navicula cinna M.H. Hohn & Hellerman image
- Navicula circumnodosa Brun image
- Navicula circumsecta (Grunow) Grunow image
- Navicula circumtexta Meister ex Hustedt
- Navicula circumvallata (Cleve) Cleve image
- Navicula cistella Greville image
- Navicula citrea A.W.F. Schmidt image
- Navicula citriformis Lupikina image
- Navicula citrus A. Cleve-Euler image
- Navicula citrus Cleve-Euler image
- Navicula citrus Krasske
- Navicula clagesii G. Moser, H. Lange-Bertalot & D. Metzeltin
- Navicula clamans Hustedt
- Navicula clamans var. africana Cholnoky image
- Navicula clamans var. minor Cholnoky image
- Navicula clancula A.W.F. Schmidt image
- Navicula clarensiana Schoeman image
- Navicula claromontensis Heribaud image
- Navicula clathrata Østrup image
- Navicula clausa T. Marsson
- Navicula clavata Gregory
- Navicula clavata f. corpulenta (Mann) Hustedt image
- Navicula clavata f. elliptica (A.W.F. Schmidt) Hustedt image
- Navicula clavata f. elongata (Peragallo) Hustedt image
- Navicula clavata f. indica (Cleve) Hustedt
- Navicula clavata f. indica (Greville) Hustedt image
- Navicula clavata f. minor Cleve image
- Navicula clavata f. minuta Cleve image
- Navicula clavata f. proxima (Janisch) Hustedt image
- Navicula clavata f. rhombica (Cleve) Hustedt image
- Navicula clavata f. subconstricta Hustedt
- Navicula clavata f. venustoides (Mereschkowsky) Hustedt image
- Navicula clavata var. caribaea (Cleve) H. Peragallo image
- Navicula clavata var. distenta (Kuntze) Hustedt image
- Navicula clavata var. elliptica A.W.F. Schmidt image
- Navicula clavata var. elongata H. Peragallo
- Navicula clavata var. exsul (A. Schmidt) Cleve
- Navicula clavata var. exsul (A.W.F. Schmidt) Cleve image
- Navicula clavata var. indica (Greville) Cleve image
- Navicula clavata var. indica Cleve
- Navicula clavata var. proxima (Janisch) Cleve image
- Navicula clavata var. rhombica Cleve image
- Navicula clavata var. sparsa A. Amossé
- Navicula clavata var. venustoides (Mereschkowsky) Amosse image
- Navicula claviana O'Meara image
- Navicula claviculus Gregory image
- Navicula clementioides Hustedt image
- Navicula clementis Grunow image
- Navicula clementis f. major Compère image
- Navicula clementis var. alaskaensis Foged image
- Navicula clementis var. japonica Kobayasi image
- Navicula clementis var. lanceolata Frenguelli
- Navicula clementis var. quadristigmata Manguin image
- Navicula clementis var. quadristigmatica E. Manguin ex Kociolek & Reviers
- Navicula clementis var. quadristigmatica E. Manguin {invalid}
- Navicula clementis var. rhombica Brockmann
- Navicula clepsydra Donkin image
- Navicula clericii Frenguelli image
- Navicula clevei Lagerstedt image
- Navicula climacospheniae Booth image
- Navicula clipeiformis D. König image
- Navicula clipeiformis D. König
- Navicula cloacina H. Lange-Bertalot & K. Bonik
- Navicula cluthensis Gregory image
- Navicula cluthensis f. rostrata (Simonsen) Simonsen image
- Navicula cluthensis var. erythraea (Grunow) Cleve image
- Navicula cluthensis var. finmarchica Grunow
- Navicula cluthensis var. maculifera Cleve
- Navicula cluthensis var. minesta Wolle
- Navicula cluthensis var. minuta Cleve
- Navicula cluthensis var. novae-zealandiae Grunow image
- Navicula cluthensis var. novaezealandiae_('Novae Zealandiae') Grunow
- Navicula cluthensis var. producta O'Meara image
- Navicula cluthensis var. striolata Grunow
- Navicula cluthensoides Hustedt image
- Navicula clypeus Ehrenberg
- Navicula coarctata A. Schmidt
- Navicula coarctata A.W.F. Schmidt image
- Navicula coarctata Ehrenberg image
- Navicula coccinella D. Metzeltin & H. Lange-Bertalot
- Navicula cocconeiformis Gregory ex Greville
- Navicula cocconeiformis Schumann image
- Navicula cocconeiformis f. elliptica Hustedt
- Navicula cocconeiformis f. parva D. McCall image
- Navicula cocconeiformis var. bifurcata C.S. Singh image
- Navicula cocconeiformis var. capitata Krasske image
- Navicula cocconeiformis var. oblonga H.P. Gandhi image
- Navicula cocconeis Ehrenberg image
- Navicula cocconeoides (Rabenhorst) Ralfs image
- Navicula cocconioides J.R. Carter image
- Navicula coccus Schumann image
- Navicula cochlearis Eichwald image
- Navicula cocquytiae_('cocquytae') Z. Levkov & T. Nakov
- Navicula coei Cholnoky image
- Navicula coelata (Arnott Walker) Cleve image
- Navicula coelata (Walker-Arnott ex Greville) Cleve
- Navicula coerulea O'Meara image
- Navicula coerulescens T. Marsson
- Navicula coffeiformis A. Schmidt image
- Navicula coffeiformis var. densestriata A.W.F. Schmidt image
- Navicula coffeiformis var. subcircularis A.W.F. Schmidt image
- Navicula cohnii (Hilse) Lange-Bertalot image
- Navicula colii Héribaud
- Navicula colii Heribaud image
- Navicula collersonii D. Roberts & A. McMinn
- Navicula collisiana O'Meara image
- Navicula columbiana Hustedt image
- Navicula columnaris Ehrenberg image
- Navicula columnaris var. undulata Frenguelli image
- Navicula comerei Heribaud image
- Navicula commixta Brebisson image
- Navicula commutabilis Hustedt image
- Navicula commutabilis f. lanceolata Hustedt image
- Navicula commutata Grunow
- Navicula compacta Greville image
- Navicula compar Janisch image
- Navicula comperei Coste & Ricard image
- Navicula complanata 'Ehrenberg' image
- Navicula complanata (Grunow) Grunow image
- Navicula complanata J. Brun image
- Navicula complanata var. hyperborea (Grunow) Cleve image
- Navicula complanata var. subinflata (Grunow) Cleve image
- Navicula complanatoides Hustedt image
- Navicula complanatoides Hustedt ex R. Simonsen
- Navicula complanatoides Hustedt {invalid}
- Navicula complanatula Hustedt image
- Navicula complanatula Hustedt ex R. Simonsen
- Navicula complanatula Hustedt {invalid}
- Navicula completa Hustedt image
- Navicula completaoides Foged image
- Navicula compositestriata Jasnitsky
- Navicula compositestriata var. rostrata Skabichevskii image
- Navicula compressicauda A. Schmidt image
- Navicula concamerata Hustedt image
- Navicula concava Harting image
- Navicula concava Patrick image
- Navicula concentrica Bailey image
- Navicula concentrica J.R. Carter image
- Navicula concentrica J.R. Carter {illegitimate}
- Navicula concilians Cleve
- Navicula concilians var. clevei Mereschkowsky image
- Navicula concinna Hustedt image
- Navicula concordia C. Riaux-Gobin & A. Witkowski
- Navicula confecta A. Schmidt
- Navicula confecta A.W.F. Schmidt image
- Navicula confederata Pantocsek image
- Navicula confervacea (Kützing) Grunow image
- Navicula confervacea f. nipponica Skvortzov
- Navicula confervacea f. rostrata Krasske
- Navicula confervacea var. baikalensis Skvortzov image
- Navicula confervacea var. hungarica Grunow image
- Navicula confervacea var. laterostrata H.P. Gandhi ex Karthick
- Navicula confervacea var. laterostrata H.P. Gandhi {invalid}
- Navicula confervacea var. peregrina (W. Smith) Grunow image
- Navicula confervacea var. tenuis H.P. Gandhi ex Karthick
- Navicula confervacea var. tenuis H.P. Gandhi {invalid}
- Navicula confidens Cholnoky image
- Navicula confoederata Pantocsek image
- Navicula confundens Molinari & Guiry
- Navicula confusa B. Laslandes & J.P. Kociolek {illegitimate}
- Navicula confusa Manguin
- Navicula congerana Hagelstein image
- Navicula congeriana_('Congerana') Hagelstein
- Navicula congolensis Hustedt
- Navicula congrua Janisch image
- Navicula conjugata Turpin image
- Navicula conjuncta Hustedt image
- Navicula connectens (Grunow) Cleve image
- Navicula conops (Ehrenberg) Kützing image
- Navicula consanguinea Cleve image
- Navicula conscensa Cholnoky image
- Navicula consentanea Hustedt image
- Navicula consimilis A. Schmidt image
- Navicula consors A.W.F. Schmidt image
- Navicula conspersa Ehrenberg image
- Navicula conspersa Ehrenberg {invalid}
- Navicula conspersa Pantocsek
- Navicula conspicua A.W.F. Schmidt image
- Navicula constans Hustedt
- Navicula constans var. symmetrica Hustedt
- Navicula constricta (Ehrenberg) Schütt image
- Navicula constricta Ehrenberg
- Navicula constricta Grunow image
- Navicula constricta Pero image
- Navicula constricta var. linearis Mereschkowsky image
- Navicula contempta Krasske image
- Navicula contempta Krasske image
- Navicula contenta Grunow
- Navicula contenta f. attenuata Manguin
- Navicula contenta f. biceps Arnott image
- Navicula contenta f. elliptica (Krasske) Krasske image
- Navicula contenta f. elongata Cholnoky image
- Navicula contenta f. gigantea Cholnoky image
- Navicula contenta f. inflata Manguin image
- Navicula contenta f. parallela (J.B. Petersen) Cleve-Euler image
- Navicula contenta f. parallela (J.B. Petersen) Hustedt
- Navicula contenta f. parallela (J.B. Petersen) Krasske image
- Navicula contenta f. undulata Cholnoky image
- Navicula contenta f. undulata Manguin image
- Navicula contenta var. biceps (Grunow) Van Heurck image
- Navicula contenta var. elliptica Krasske image
- Navicula contenta var. opulenta Cleve-Euler image
- Navicula contenta var. parallela J.B. Petersen
- Navicula contenta var. robusta J. Brun image
- Navicula contenta var. typica Ross image
- Navicula contentaeformis E. Manguin {invalid}
- Navicula contentaeformis Manguin image
- Navicula contermina A.W.F. Schmidt image
- Navicula contigua A.W.F. Schmidt image
- Navicula contorta Kitton image
- Navicula contortula Sovereign image
- Navicula contracta Ehrenberg image
- Navicula contracta Grunow image
- Navicula contraria Patrick image
- Navicula controversa Mann image
- Navicula conveniens Hustedt
- Navicula conveniens var. rostrata Hohn image
- Navicula conventus Heiden
- Navicula convergens Patrick image
- Navicula convergens R. Patrick
- Navicula convexa W. Smith image
- Navicula conveyi B. Van de Vijver
- Navicula copiosa A. Schmidt
- Navicula copiosa A.W.F. Schmidt image
- Navicula coquedensis Donkin image
- Navicula coraliana D. Metzeltin & H. Lange-Bertalot
- Navicula corbieri Heribaud image
- Navicula cordillerae Frenguelli image
- Navicula cornubiensis Hendey image
- Navicula corpulenta A. Mann image
- Navicula correpta A.W.F. Schmidt image
- Navicula corrugata É. Manguin
- Navicula corrugata Manguin image
- Navicula cortanensis Krasske image
- Navicula corticola E. Manguin ex J.P. Kociolek & B. Reviers
- Navicula corticola E. Manguin {invalid}
- Navicula corticola Manguin image
- Navicula corymbosa (C. Agardh) Cleve
- Navicula cosmaria Brebisson image
- Navicula costata (Ehrenberg) Héribaud {illegitimate}
- Navicula costata Corda
- Navicula costata Ehrenberg
- Navicula costata Kützing image
- Navicula costata Kützing {illegitimate}
- Navicula costata var. minor Kützing image
- Navicula costei Héribaud
- Navicula costei Heribaud image
- Navicula costei var. bacillaris Heribaud image
- Navicula costulata Grunow
- Navicula costulata f. curta Skvortzov image
- Navicula costulata var. baikalensis Skvortzov image
- Navicula costulata var. nipponica Skvortzov image
- Navicula costulata var. sibirica Skvortzov image
- Navicula costulata var. tenuirostris Skvortzov
- Navicula costuloides Skvortzov
- Navicula cotiformis Grunow image
- Navicula couperi (Bailey) Ralfs image
- Navicula crabro (Ehrenberg) Kützing image
- Navicula crabro var. denticulata (O'Meara) O'Meara image
- Navicula crabro var. intermedia O'Meara image
- Navicula crabro var. japonica A.W.F. Schmidt image
- Navicula crabro var. multicostata (Grunow) Grunow image
- Navicula crabro var. nankoorensis Grunow image
- Navicula crabro var. oranensis A.W.F. Schmidt image
- Navicula crabro var. pandura (Brebisson) Rabenhorst image
- Navicula crabroniformis Grunow image
- Navicula crassa Gregory image
- Navicula crassinervia Brébisson ex W. Smith
- Navicula crassinervia Brebisson ex W. Smith image
- Navicula crassirostris Grunow image
- Navicula crassirostris var. maasoensis Grunow image
- Navicula crassula Naegeli ex Kützing image
- Navicula crassulexigua E. Reichardt
- Navicula crateri Patrick image
- Navicula craticula Ehrenberg image
- Navicula craticula Ehrenberg image
- Navicula craticularis Frenguelli image
- Navicula craticuloides Y. Li & D. Metzeltin
- Navicula cravenii Leuduger-Fortmorel image
- Navicula cravenii_('Craveni') Leuduger-Fortmorel
- Navicula crebra Hustedt
- Navicula cregutii Heribaud & M. Peragallo image
- Navicula cregutii var. lanceolata M. Peragallo & Heribaud image
- Navicula cremeri B. Van de Vijver & R. Zidarova
- Navicula cremorne M.H. Hohn & Hellerman image
- Navicula cremorne var. salinarum Negoro & Gotoh image
- Navicula crepitacula J.R. Carter & Denny image
- Navicula creuzburgensis Krasske image
- Navicula creuzburgensis Krasske image
- Navicula creuzburgensis var. multistriata Patrick image
- Navicula criophila (Castracane) Van Heurck image
- Navicula criophiliforma C. Riaux-Gobin & A. Witkowski
- Navicula crispa Krasske
- Navicula cristata Ehrenberg image
- Navicula cristata Ehrenberg image
- Navicula cristata M. Peragallo image
- Navicula cristata var. curta Peragallo image
- Navicula cristula Guermeur & Manguin image
- Navicula crocodili Cholnoky image
- Navicula cronullensis E.J.F. Wood image
- Navicula crucialis Frenguelli image
- Navicula cruciata Cleve image
- Navicula cruciata Leuduger-Fortmorel image
- Navicula crucicula (W. Smith) Donkin image
- Navicula crucicula f. arctica Krasske image
- Navicula crucicula f. turkestanica Kisseleva Kisseleva image
- Navicula crucicula var. alaskana Patrick & Freese image
- Navicula crucicula var. barrowiana Patrick & Freese image
- Navicula crucicula var. capitata Skvortzov image
- Navicula crucicula var. capitata Østrup image
- Navicula crucicula var. cruciculoides (Brockmann) Lange-Bertalot image
- Navicula crucicula var. lanceolata Frenguelli image
- Navicula crucicula var. minor Cleve-Euler image
- Navicula crucicula var. minuta (Grunow) Cleve image
- Navicula crucicula var. obtusata Grunow image
- Navicula crucicula var. orientalis Skvortzov image
- Navicula crucicula var. protracta 'Grunow' image
- Navicula crucicula var. protracta Grunow image
- Navicula cruciculoides Brockmann
- Navicula crucifera Grunow image
- Navicula crucifera O'Meara image
- Navicula crucifera var. capitata Østrup image
- Navicula crucifix Tempère & Brun image
- Navicula cruciformis Donkin image
- Navicula cruciformis var. brevior Cleve image
- Navicula cruciformis var. seyschellensis Grunow image
- Navicula cruciformis var. upolensis Grunow image
- Navicula crucigera (W. Smith) Cleve image
- Navicula crucigera Ehrenberg
- Navicula crucigera var. subhyalina Cleve-Euler image
- Navicula crucigera var. typica Cleve-Euler image
- Navicula crucigeriformis Hustedt image
- Navicula crucigeroides Hustedt image
- Navicula crux Ehrenberg image
- Navicula cruxmeridionalis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula cryophila Manguin image
- Navicula cryophila var. stauroptera Manguin image
- Navicula cryptocefalsa Lange-Bertalot
- Navicula cryptocephala Kützing image
- Navicula cryptocephala f. minuta J.B. Petersen image
- Navicula cryptocephala f. nanissima É. Manguin
- Navicula cryptocephala f. nanissima Manguin image
- Navicula cryptocephala f. terrestris J.W.G. Lund
- Navicula cryptocephala var. angusta J.B. Petersen image
- Navicula cryptocephala var. angustata (W. Smith) Brun image
- Navicula cryptocephala var. australis Skuja image
- Navicula cryptocephala var. baicalensis E.V. Rodionova & G.V. Pomazkina
- Navicula cryptocephala var. hankensis Skvortzov image
- Navicula cryptocephala var. intermedia Grunow
- Navicula cryptocephala var. lanceolata Grunow image
- Navicula cryptocephala var. lata V.S. Poretzky & Anissimova
- Navicula cryptocephala var. latior Juhlin-Dannfelt image
- Navicula cryptocephala var. major Suringar image
- Navicula cryptocephala var. minor Grunow image
- Navicula cryptocephala var. perminuta (Grunow) Cleve image
- Navicula cryptocephala var. pumila (Grunow) Cleve image
- Navicula cryptocephala var. rhynchocephala Grunow image
- Navicula cryptocephala var. subsalina Hustedt image
- Navicula cryptocephala var. veneta (Kützing) Rabenhorst image
- Navicula cryptocephaloides Hustedt image
- Navicula cryptocephaloides f. angusta Cholnoky image
- Navicula cryptocephaloides var. capitata Krasske image
- Navicula cryptofallax Lange-Bertalot & G. Hofmann
- Navicula cryptofallax Lange-Bertalot & G. Hofmann {invalid}
- Navicula cryptofallax var. tibetica D.A. Chudaev
- Navicula cryptogaster R.L. Lowe
- Navicula cryptolyra C. Brockmann
- Navicula cryptorrhynchus Cholnoky image
- Navicula cryptostriata Salah image
- Navicula cryptotenella Lange-Bertalot image
- Navicula cryptotenelloides Lange-Bertalot
- Navicula crystallina Hustedt image
- Navicula csaszkae_('Csaszkaae') Pantocsek
- Navicula csaszkae_('csaszkaae') Pantocsek image
- Navicula cubitus Tempère & Brun image
- Navicula cucullus Pantocsek
- Navicula cummerowii L. Kalbe {invalid}
- Navicula cumvibia Hohn & Hellerman
- Navicula cumvibia M.H. Hohn & Hellerman image
- Navicula cunctans Schoeman image
- Navicula cuneata O'Meara image
- Navicula cuneatostriolata M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula cuneicephala Mann image
- Navicula cunoniae Cholnoky
- Navicula curiosa Cholnoky image
- Navicula curiosa Cholnoky {illegitimate}
- Navicula curiosa Hustedt image
- Navicula curta (A. Cleve) M. Peragallo image
- Navicula curta Hustedt image
- Navicula curta Hustedt {illegitimate}
- Navicula curta var. elongata M. Peragallo image
- Navicula curte-striata Østrup image
- Navicula curtestria Pantocsek image
- Navicula curtestriata Pantocsek image
- Navicula curtestriata_(`curte-striata') Østrup {illegitimate}
- Navicula curtisterna H. Lange-Bertalot
- Navicula curtisternoides D.A. Chudaev & I. Jüttner
- Navicula curvilineata Mann image
- Navicula curvinervia Grunow image
- Navicula curvipunctata Leuduger-Fortmorel image
- Navicula curvula Ehrenberg image
- Navicula cuspidata (Kützing) Kützing image
- Navicula cuspidata (Kützing) Kützing
- Navicula cuspidata f. angusta Dippel image
- Navicula cuspidata f. angusta Dippel image
- Navicula cuspidata f. asymmetrica Dippel image
- Navicula cuspidata f. brevirostrata Gandhi image
- Navicula cuspidata f. capitata Dippel image
- Navicula cuspidata f. crassa Venkataraman image
- Navicula cuspidata f. craticula (Ehrenberg) Dippel image
- Navicula cuspidata f. craticula Frenguelli image
- Navicula cuspidata f. craticula Frenguelli image
- Navicula cuspidata f. craticula M. Peragallo & Heribaud image
- Navicula cuspidata f. creticularis Skvortzov image
- Navicula cuspidata f. danaica (Grunow) Cleve-Euler image
- Navicula cuspidata f. diminuta Cleve-Euler image
- Navicula cuspidata f. elongata Skvortzov & Meyer image
- Navicula cuspidata f. heribaudii_('heribaudi') (M. Peragallo) Cleve-Euler image
- Navicula cuspidata f. indica Krishnamurthy image
- Navicula cuspidata f. longicollis Suringar image
- Navicula cuspidata f. minor Mayer image
- Navicula cuspidata f. obtusa Dippel image
- Navicula cuspidata f. primigena Dippel image
- Navicula cuspidata f. primigena Dippel image
- Navicula cuspidata f. robusta Gonzalves & Gandhi image
- Navicula cuspidata f. rostrata Germain image
- Navicula cuspidata f. subcapitata O. Müller image
- Navicula cuspidata f. subrostrata Dippel image
- Navicula cuspidata f. subrostrata Dippel image
- Navicula cuspidata f. subrostrata O. Müller image
- Navicula cuspidata f. tenuirostris Cleve-Euler image
- Navicula cuspidata var. alaskaensis Foged image
- Navicula cuspidata var. alpestris Brun image
- Navicula cuspidata var. ambigua (Ehrenberg) Cleve image
- Navicula cuspidata var. ambigua (Ehrenberg) Kirchner image
- Navicula cuspidata var. amphisphenia (Ehrenberg) Rabenhorst image
- Navicula cuspidata var. conspicua Venkataraman image
- Navicula cuspidata var. danaica Grunow image
- Navicula cuspidata var. elkabensis Muschler image
- Navicula cuspidata var. genuina Grunow image
- Navicula cuspidata var. gracilis M. Peragallo
- Navicula cuspidata var. halophila Grunow
- Navicula cuspidata var. hankae Skvortzov image
- Navicula cuspidata var. heribaudii_('Heribaudi') M. Peragallo image
- Navicula cuspidata var. lanceolata Grunow image
- Navicula cuspidata var. major Frenguelli image
- Navicula cuspidata var. major Meister
- Navicula cuspidata var. major Venkataraman image
- Navicula cuspidata var. maxima Mereschkowsky image
- Navicula cuspidata var. mayeri Cleve-Euler image
- Navicula cuspidata var. media Meister
- Navicula cuspidata var. minima Comère image
- Navicula cuspidata var. minor Mayer image
- Navicula cuspidata var. obtusa Grunow image
- Navicula cuspidata var. obtusa Patrick image
- Navicula cuspidata var. obtusa R.M. Patrick {illegitimate}
- Navicula cuspidata var. subrostrata (Dippel) Mayer image
- Navicula cuspidata var. tibetica Jao image
- Navicula cuspis O'Meara image
- Navicula cuvella J.R. Carter & Denny image
- Navicula cyclophora Castracane image
- Navicula cyclops A. Mann image
- Navicula cylindrata M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula cymatopleura W. West & G.S. West
- Navicula cymatopleura West & West image
- Navicula cymbelliformis Cholnoky image
- Navicula cymbelloides Jouse image
- Navicula cymbula Donkin image
- Navicula cynthia A.W.F. Schmidt image
- Navicula cyprinus (Ehrenberg) Kützing image
- Navicula cyprinus var. linearis (Hustedt) Hendey image
- Navicula cyprinus var. rostrata (Hustedt) Hendey image
- Navicula czekehazensis_('czekeházensis') Pantocsek image
- Navicula dactylus (Ehrenberg) Kützing image
- Navicula dactylus var. argentina Frenguelli image
- Navicula dactylus var. lata Frenguelli image
- Navicula dactylus var. minor Østrup image
- Navicula dahomensis Hustedt image
- Navicula dahurica Skabichevskií image
- Navicula dahurica Skvortzov
- Navicula dahurica var. elliptica Skabichevskií image
- Navicula dailyi Reimer image
- Navicula dalmatica Grunow image
- Navicula damasii Hustedt
- Navicula damongensis Foged image
- Navicula daochengensis W. Zhang, D. Chudaev & T. Wang
- Navicula dapaliformis Hustedt
- Navicula dapalis Frenguelli
- Navicula dapaloides Frenguelli
- Navicula dariana A.W.F. Schmidt
- Navicula dariana f. minor Lauby image
- Navicula dariana var. miocenica Heribaud & Peragallo image
- Navicula dartevellei Kufferath image
- Navicula darwiniana A.W.R. Seddon & A. Witkowski
- Navicula davidovichii D. Chudaev, A. Glushchenko, M. Kulikovskiy & J.P. Kociolek
- Navicula davidsoniana O'Meara image
- Navicula de-toniana Gutwinski image
- Navicula de-toniana Gutwinski image
- Navicula de-wittiana_('De Wittiana') C.H. Kain & E.A. Schultze image
- Navicula dealpina Lange-Bertalot
- Navicula dealpina Lange-Bertalot {invalid}
- Navicula debegenica Cholnoky. image
- Navicula debilis Pantocsek image
- Navicula debilis Pantocsek image
- Navicula debilissima Grunow image
- Navicula debilitata M. Peragallo image
- Navicula deblockii Heribaud image
- Navicula debyi Pantocsek image
- Navicula decens Pantocsek image
- Navicula dechambrei Bourrelly & Manguin image
- Navicula decipiens Castracane image
- Navicula decipiens Cleve-Euler image
- Navicula decipiens Meister image
- Navicula decipiens O'Meara image
- Navicula decipiens P. Cleve image
- Navicula decissa J.R. Carter image
- Navicula declinata Hustedt image
- Navicula declivis Hustedt
- Navicula decora (Greville) Østrup image
- Navicula decora Ehrenberg
- Navicula decora Grove & Sturt image
- Navicula decrescens Cleve-Euler image
- Navicula decrescens Heribaud image
- Navicula decumana Pantocsek image
- Navicula decurrens (Ehrenberg) Kützing image
- Navicula decurrens f. tenuior Rabenhorst image
- Navicula decurrens var. curtecostata Heribaud image
- Navicula decurrens var. subsolaris Grunow image
- Navicula decussata (Ehrenberg) Kützing image
- Navicula decussata Ehrenberg image
- Navicula decussepunctata R. Simonsen
- Navicula decussepunctata Simonsen image
- Navicula decussis Østrup
- Navicula decussis var. subdecussis (Hustedt) Lange-Bertalot image
- Navicula decussis Østrup image
- Navicula definita Grove & Sturt image
- Navicula definita var. intermedia Cleve image
- Navicula defluens Hustedt image
- Navicula degenii Pantocsek image
- Navicula dehissa Giffen image
- Navicula delastriata M.H. Hohn & Hellerman image
- Navicula delata A. Schmidt image
- Navicula delawarensis Grunow ex Cleve
- Navicula delawarensis var. clevei Heiden image
- Navicula delecta A. Mann
- Navicula delecta Meister image
- Navicula delginensis O'Meara image
- Navicula deliberata Hustedt {invalid}
- Navicula delicata Frenguelli
- Navicula delicatilineolata H. Kobayasi & S. Mayama
- Navicula delicatilineolata S. Mayama & H. Kobayasi {invalid}
- Navicula delicatula Cleve image
- Navicula delicatula Skvortzov image
- Navicula delicatula Skvortzov image
- Navicula delognei Van Heurck image
- Navicula delognei f. elliptica Lobban image
- Navicula delpiroui M. Peragallo image
- Navicula delta Cleve image
- Navicula deltaica D.E. Kellogg, M. Stuiver, T.B. Kellogg, & G.H. Denton
- Navicula deltoides Hustedt
- Navicula demerara Grunow image
- Navicula demerara Grunow {illegitimate}
- Navicula demerarae Cleve image
- Navicula demerarae Ehrenberg image
- Navicula demeraroides Hustedt
- Navicula demissa Hustedt image
- Navicula demta A.W.F. Schmidt image
- Navicula denizotii Manguin image
- Navicula densa Hustedt
- Navicula densa var. fossilis Manguin image
- Navicula denselineolata_(`densilineolata') (Lange-Bertalot) Lange-Bertalot
- Navicula densepunctata Hustedt image
- Navicula densepunctata Hustedt {illegitimate}
- Navicula densestriata Hustedt image
- Navicula densestriata var. acuta Skvortzov image
- Navicula densistriata var. acuta Skvortzov & Noda image
- Navicula densuensis Foged image
- Navicula denticulata O'Meara image
- Navicula denudata Pantocsek image
- Navicula depauxii M. Peragallo image
- Navicula depressa Cleve
- Navicula derasa Grunow image
- Navicula derasa var. erosa (Cleve) Gran image
- Navicula derasa var. gracilenta Grunow image
- Navicula derasa var. transitans R. Ross image
- Navicula dermochelycola C. Riaux-Gobin, A. Witkowski, J.P. Kociolek, & D. Chevallier
- Navicula descripta Hustedt
- Navicula descripta var. arctica Patrick & Freese image
- Navicula deserti Forti image
- Navicula destituta Hustedt image
- Navicula destricta Hustedt
- Navicula detenta Hustedt
- Navicula detersa (Grunow) Gran image
- Navicula detersa Grunow image
- Navicula diabolica Geissler & Gerloff image
- Navicula diaculus Schumann image
- Navicula diagonalis Bailey image
- Navicula diahotana R. Maillard {invalid}
- Navicula diaphana Ehrenberg image
- Navicula diaphanea Manguin image
- Navicula dibola Hohn image
- Navicula dibrinatemniskovae R. Zidarova & B. Van de Vijver
- Navicula dicephala Ehrenberg image
- Navicula dicephala f. australis É. Manguin
- Navicula dicephala f. australis Manguin image
- Navicula dicephala f. capitata Manguin image
- Navicula dicephala f. cuneata M. Møller ex Foged image
- Navicula dicephala f. cuneata Max Møller ex Foged
- Navicula dicephala f. intermedia Lauby image
- Navicula dicephala f. pygmaea Mayer image
- Navicula dicephala var. chilensis Hustedt image
- Navicula dicephala var. constricta Cleve-Euler image
- Navicula dicephala var. constricta Frenguelli image
- Navicula dicephala var. constricta Frenguelli {illegitimate}
- Navicula dicephala var. elginensis (Gregory) Cleve image
- Navicula dicephala var. elliptica Voigt
- Navicula dicephala var. genuina Mayer image
- Navicula dicephala var. genuina Mayer image
- Navicula dicephala var. lata M. Peragallo
- Navicula dicephala var. neglecta (Krasske) Hustedt image
- Navicula dicephala var. neglecta Hustedt
- Navicula dicephala var. rostrata Ant. Mayer
- Navicula dicephala var. sannicoensis J.M. Guerrero & A.A. Vouilloud
- Navicula dicephala var. subcapitata Grunow image
- Navicula dicephala var. undulata Østrup
- Navicula dicephala var. undulata Østrup image
- Navicula dicephaloides P. Fusey image
- Navicula dicurvata O'Meara image
- Navicula didyma (Ehrenberg) Kützing image
- Navicula didyma var. andesitica Pantocsek image
- Navicula didyma var. elesdiana_('elesdiana') Pantocsek image
- Navicula didyma var. major H. Peragallo & M. Peragallo
- Navicula didymus Ehrenberg
- Navicula differta Pantocsek image
- Navicula difficilis Grunow
- Navicula difficillima Hustedt image
- Navicula difficillima Hustedt
- Navicula difficillimoides Hustedt image
- Navicula diffluens A. Schmidt
- Navicula diffluens A.W.F. Schmidt image
- Navicula difformis Eichwald image
- Navicula diffusa A.W.F. Schmidt image
- Navicula diffusa var. balearica Cleve image
- Navicula diffusa var. minor Cleve image
- Navicula dificilis Pantocsek image
- Navicula digito-radiata (Gregory) Ralfs image
- Navicula digito-radiata f. ceylonica Skvortzov image
- Navicula digito-radiata f. minor Cleve-Euler image
- Navicula digito-radiata var. aegyptiaca Aleem image
- Navicula digito-radiata var. angustior Grunow image
- Navicula digito-radiata var. arctica Patrick & Freese image
- Navicula digito-radiata var. elliptica (Østrup) A. Cleve image
- Navicula digito-radiata var. elliptica Hustedt image
- Navicula digito-radiata var. obesa Heribaud image
- Navicula digito-radiata var. seychellensis Cleve image
- Navicula digito-radiata var. striolata Grunow image
- Navicula digitoconvergens H. Lange-Bertalot
- Navicula digitoradiata f. linearis Hustedt image
- Navicula digitoradiata f. minor Foged image
- Navicula digitoradiata f. obtusata (N.I. Karaeva) N.I. Karaeva
- Navicula digitoradiata var. cubaensis Foged image
- Navicula digitoradiata var. elliptica Hustedt ex Simonsen {illegitimate}
- Navicula digitoradiata var. minor Krasske image
- Navicula digitoradiata var. rostrata Hustedt
- Navicula digitoradiata var. rotindus C.S. Singh image
- Navicula digitoradiata var. striolata Grunow
- Navicula digitulus Hustedt
- Navicula digitus (Ehrenberg) Ralfs image
- Navicula digna Hustedt image
- Navicula digna Hustedt
- Navicula digrediens A.W.F. Schmidt image
- Navicula dilatata Ehrenberg
- Navicula dilatata Ehrenberg
- Navicula dilucida Hustedt image
- Navicula diluviana Krasske
- Navicula dimidiata Dujardin image
- Navicula dimidiata Mayer image
- Navicula diomphala (Ehrenberg) Ralfs image
- Navicula diploneoides Hustedt
- Navicula diplosticta Grunow
- Navicula directa (Smith) Ralfs image
- Navicula directa (W. Smith) Brebisson image
- Navicula directa var. angusta Grunow image
- Navicula directa var. constricta Heiden image
- Navicula directa var. cuneata Østrup image
- Navicula directa var. decussatim-striata Grunow image
- Navicula directa var. derasa Østrup image
- Navicula directa var. genuina Cleve image
- Navicula directa var. heterostriata Mereschkowsky image
- Navicula directa var. heterostriata Mereschkowsky image
- Navicula directa var. incus (A. Schmidt) Cleve image
- Navicula directa var. javanica Cleve image
- Navicula directa var. lata Østrup image
- Navicula directa var. oceanica Karsten image
- Navicula directa var. planctonica Frenguelli image
- Navicula directa var. remota (Grunow) Cleve image
- Navicula directa var. remota Grunow image
- Navicula directa var. rostrata Heiden image
- Navicula directa var. subtilis (Gregory) Cleve image
- Navicula dirhynchus Ehrenberg image
- Navicula dirrhombus A. Schmidt
- Navicula dirrhombus A.W.F. Schmidt image
- Navicula discernenda Pantocsek image
- Navicula disclusa Hustedt image
- Navicula discrepans A.W.F. Schmidt image
- Navicula discreta Hustedt
- Navicula disculus Schumann image
- Navicula diserta Hustedt image
- Navicula disertoides Cholnoky image
- Navicula disjuncta Hustedt
- Navicula disjuncta f. anglica Hustedt image
- Navicula disjunctoides E. Manguin ex Kociolek & Reviers
- Navicula disjunctoides E. Manguin {invalid}
- Navicula disjunctoides Manguin image
- Navicula dismutica Hustedt
- Navicula dispar Schumann image
- Navicula disparata Hustedt image
- Navicula disparilis Hustedt
- Navicula dispensata Hustedt & Manguin image
- Navicula dispensata f. constricta (Manguin) Manguin image
- Navicula dispensata f. rostrata (Manguin) Manguin image
- Navicula dispersa Grove & Sturt image
- Navicula dispersa J.R. Carter image
- Navicula dispersa Manguin image
- Navicula dispersa f. constricta Manguin image
- Navicula dispersa f. rostrata Manguin image
- Navicula dispersepunctata A.P. Skabichevskij
- Navicula dispersepunctata Hustedt image
- Navicula dispersepunctata Skabichevskií image
- Navicula dispersepunctulata Hustedt image
- Navicula disphenia (Ehrenberg) Kützing image
- Navicula disposita Hustedt image
- Navicula disposita f. minor Foged image
- Navicula disputans Patrick image
- Navicula dissimilis (Rabenhorst) Ralfs image
- Navicula dissimilis W. Smith image
- Navicula dissipata Hustedt {invalid}
- Navicula dissociata E. Reichardt
- Navicula dissuta Giffen image
- Navicula distans (Smith) Ralfs image
- Navicula distans (W. Smith) Brebisson. image
- Navicula distans var. borealis Grunow image
- Navicula distantepunctata Simonsen
- Navicula distauridium Ehrenberg image
- Navicula distenta A.W.F. Schmidt image
- Navicula distenta Schumann image
- Navicula disticha A.W.F. Schmidt image
- Navicula disticha A.W.F. Schmidt image
- Navicula distincta G.S. West image
- Navicula distinctastriata M.H. Hohn & Hellerman image
- Navicula distinguenda (Cleve) Pantocsek image
- Navicula distoma Grunow image
- Navicula distoma f. angustior Grunow image
- Navicula distoma f. latior Grunow image
- Navicula dithmarsica D. König image
- Navicula dithmarsica D. König
- Navicula diuturna Cholnoky image
- Navicula diuturnoides Archibald image
- Navicula divaricata É. Manguin {illegitimate}
- Navicula divaricata Hustedt image
- Navicula divaricata Manguin image
- Navicula divergens (W. Smith) Grunow image
- Navicula divergens A.W.F. Schmidt image
- Navicula divergens f. major Frenguelli image
- Navicula divergens f. minor A.W.F. Schmidt image
- Navicula divergens f. minor Frenguelli image
- Navicula divergens var. bacillaris M. Peragallo
- Navicula divergens var. constricta M. Peragallo
- Navicula divergens var. elliptica Grunow image
- Navicula divergens var. elliptica Grunow {illeg.}
- Navicula divergens var. elliptica O'Meara image
- Navicula divergens var. laticeps Frenguelli image
- Navicula divergens var. longa O'Meara image
- Navicula divergens var. parallela (Brun) Frenguelli image
- Navicula divergens var. prolongata J. Brun & M. Peragallo image
- Navicula divergens var. undulata M. Peragallo & Héribaud
- Navicula divergens var. undulata M. Peragallo & Heribaud image
- Navicula divergens var. undulato-cuneata Heribaud image
- Navicula divergentissima Grunow image
- Navicula diversa Greville image
- Navicula diversa Pantocsek image
- Navicula diversestriata Jasnitsky
- Navicula diversipunctata Hustedt image
- Navicula diversistriata Hustedt image
- Navicula diverta J.R. Carter image
- Navicula doczii_('dóczii') Pantocsek image
- Navicula dodowaensis Foged image
- Navicula doehleri H. Lange-Bertalot
- Navicula doello-juradoi Frenguelli image
- Navicula doeringii Frenguelli image
- Navicula doeringii var. cryptocephala Frenguelli image
- Navicula doeringii var. undulata Frenguelli image
- Navicula doljensis Pantocsek image
- Navicula dolomitica W. Bock
- Navicula dolomitica var. fossilis I. Kaczmarska
- Navicula dolosa Giffen image
- Navicula dolosa Manguin image
- Navicula domiciliensis E. Reichardt
- Navicula donkinia O'Meara image
- Navicula donkinii A. Schmidt image
- Navicula donkinii Carruthers image
- Navicula dorenbergi Reichelt image
- Navicula dorenbergii_('dorenbergi') Reichelt
- Navicula dorogostaiskyi Østrup
- Navicula dorogostaiskyi Østrup image
- Navicula dosseti-azpeitia Moros image
- Navicula drouetiana Patrick image
- Navicula drouetiana R. Patrick
- Navicula dubia Ehrenberg
- Navicula dubia Heiden image
- Navicula dubia Heiden {illegitimate}
- Navicula dubia var. acuta Heiden image
- Navicula dubia var. signata Pantocsek image
- Navicula dubitanda Hustedt & Kolbe
- Navicula dubitata Héribaud
- Navicula dubitata Heribaud image
- Navicula dubravicensis Grunow image
- Navicula dubravicensis var. gallica Heribaud image
- Navicula duerrenbergiana Hustedt {invalid}
- Navicula dugaensis Foged image
- Navicula dulcioides Foged image
- Navicula dulcis Foged image
- Navicula dulcis Krasske image
- Navicula dulcis Patrick image
- Navicula dulcis R. Patrick {illeg.}
- Navicula dumontiae Baardseth & Taasen image
- Navicula dunstonii Salah image
- Navicula duomedia Patrick image
- Navicula duomedia R. Patrick
- Navicula duplex Nygaard image
- Navicula duplex Pantocsek image
- Navicula duplicata Ehrenberg image
- Navicula duplocapitata Hustedt image
- Navicula durrandii Kitton
- Navicula durrandii f. rhomboidea (Castracane) Hustedt image
- Navicula durrandii var. intermedia A.W.F. Schmidt image
- Navicula durrandii var. rhomboidea (Castracane) A.W.F. Schmidt image
- Navicula dutoitana Cholnoky image
- Navicula dux (Ehrenberg) Ralfs image
- Navicula dystrophica Patrick image
- Navicula eastwoodii Hanna & Grant image
- Navicula ebor M.H. Hohn & Hellerman image
- Navicula eburnea Zanon image
- Navicula ectorii_(`ectoris') B. Van de Vijver
- Navicula effrenata Krasske image
- Navicula egena A.W.F. Schmidt image
- Navicula egeria Pantocsek image
- Navicula egregia Hustedt
- Navicula egregia f. elongata Compère image
- Navicula egregia f. fennica Hustedt image
- Navicula egyptiaca Greville image
- Navicula ehrenbergii Kützing image
- Navicula ehrenbergii Kützing {illegitimate}
- Navicula ehrlichiae H. Lange-Bertalot & E. Reichardt
- Navicula eichhorniaephila Manguin image
- Navicula eichhorniophila var. peracuta R. Maillard {invalid}
- Navicula eichhorniophila_('eichhorniaephila') E. Manguin ex Kociolek & Reviers
- Navicula eichhorniophila_('eichhorniaephila') E. Manguin {invalid}
- Navicula eidrigiana J.R. Carter image
- Navicula eileencoxiana B. Van de Vijver & K. Sabbe
- Navicula eileeniae M.G. Potapova & I. Ciugulea
- Navicula ekholmensis Foged
- Navicula elaborata Hustedt
- Navicula elaphros M.H. Hohn & Hellerman image
- Navicula elata Gandhi image
- Navicula elata H.P. Gandhi {illegitimate}
- Navicula elata Leuduger-Fortmorel image
- Navicula electa Hustedt image
- Navicula electrolytifuga H. Lange-Bertalot & U. Rumrich
- Navicula elegans W. Smith
- Navicula elegans f. crowbillensis Foged image
- Navicula elegans f. cuspidata (Cleve) Hustedt
- Navicula elegans var. cuspidata Cleve
- Navicula elegantissima Meister image
- Navicula elegantoides Hustedt
- Navicula elegantula Grunow image
- Navicula elenkinii Goryacheva image
- Navicula elephantis Cholnoky image
- Navicula elesdiana Pantocsek image
- Navicula elevata Kobayasi image
- Navicula elginensis (Gregory) Ralfs image
- Navicula elginensis var. campylonema R.B. McLaughlin
- Navicula elginensis var. cuneata (M. Møller ex Foged) Lange-Bertalot image
- Navicula elginensis var. cuneata (Max Møller ex Foged) H. Lange-Bertalot {illegitimate}
- Navicula elginensis var. cuneata H. Kobayasi
- Navicula elginensis var. lata (M. Peragallo) Patrick
- Navicula elginensis var. neglecta (Krasske) Patrick image
- Navicula elginensis var. neglecta R. Patrick
- Navicula elginensis var. rostrata (Ant. Mayer) Patrick
- Navicula elkab O. Müller image
- Navicula elkab O. Müller ex O. Müller
- Navicula elkab O. Müller {invalid}
- Navicula elkab f. lanceolata O. Müller image
- Navicula elkab f. subcapitata O. Müller image
- Navicula ellips Harting image
- Navicula ellipsis Smith ex Norman image
- Navicula elliptica Ehrenberg image
- Navicula elliptica Kützing image
- Navicula elliptica W. Smith image
- Navicula elliptica f. duplo-major Petkoff image
- Navicula elliptica f. extenta Rabenhorst image
- Navicula elliptica f. inflata Gutwinski image
- Navicula elliptica f. minor Rabenhorst image
- Navicula elliptica var. cocconeoides (Rabenhorst) Rabenhorst image
- Navicula elliptica var. costata O'Meara image
- Navicula elliptica var. davidsonii O'Meara image
- Navicula elliptica var. fossilis Pantocsek image
- Navicula elliptica var. genuina Arnoldi & Aleksenko, inval. image
- Navicula elliptica var. grandis Grunow image
- Navicula elliptica var. grosse-punctata Pantocsek image
- Navicula elliptica var. ladogensis (Cleve) E.N. Bolokhontsev image
- Navicula elliptica var. maeotica Pantocsek image
- Navicula elliptica var. major M. Peragallo & Heribaud image
- Navicula elliptica var. minima f. parallela Istvánffi image
- Navicula elliptica var. minor Grunow image
- Navicula elliptica var. ovalis (W. Smith) O'Meara image
- Navicula elliptica var. parva O'Meara image
- Navicula elliptica var. quilinoi Deletang image
- Navicula elliptica var. tropica Zimmermann image
- Navicula elmorei Patrick image
- Navicula elongata Ehrenberg image
- Navicula elongata Grunow image
- Navicula elongata Grunow image
- Navicula elongata V.S. Poretzky {illegitimate}
- Navicula elongatula Pantocsek image
- Navicula elpatievskyi Østrup
- Navicula elpatievskyi Østrup image
- Navicula elsae-thum Pantocsek image
- Navicula elsae-thum f. craticularis Pantocsek image
- Navicula elsoniana Patrick & Freese image
- Navicula emarginata Ehrenberg image
- Navicula endophytica Hasle
- Navicula engelbrechtii Cholnoky image
- Navicula englertiae A. Witkowski, H. Lange-Bertalot & J.P. Kociolek
- Navicula enigmatica H. Germain
- Navicula ennediensis Compère
- Navicula ennediensis Compère image
- Navicula entoleia P. Cleve image
- Navicula entoleia var. minor Patrick & Freese image
- Navicula entomon Ehrenberg image
- Navicula entomon var. thaitiana Castracane image
- Navicula entzii Pantocsek image
- Navicula enucleata Hustedt image
- Navicula eocaenica Schrader image
- Navicula eomenisculus M.E. Benson & J.P. Kociolek
- Navicula episcopalis Cleve ex Migula
- Navicula episcopalis f. lata Fritsch & Rich image
- Navicula eponka Hohn image
- Navicula epsilon Cleve image
- Navicula equiornata É. Manguin
- Navicula equiornata Manguin image
- Navicula erdmannensis Foged
- Navicula ergadensis (Gregory) Ralfs image
- Navicula erifuga Lange-Bertalot image
- Navicula erosa Cleve image
- Navicula erosa var. crassa Østrup image
- Navicula erosa var. elegans Østrup image
- Navicula erythraea Grunow image
- Navicula esamangensis Foged image
- Navicula escambia (Patrick) D. Metzeltin & H. Lange-Bertalot
- Navicula escorialis R. Simonsen
- Navicula escorialis Simonsen image
- Navicula esoculus Schumann image
- Navicula esoculus f. elongata A.W.F. Schmidt image
- Navicula esox (Ehrenberg) Kützing image
- Navicula esox var. recta Heribaud image
- Navicula esromensis N. Foged
- Navicula eta Cleve
- Navicula eudoxia A.W.F. Schmidt image
- Navicula eugenia A.W.F. Schmidt image
- Navicula eugeniae Cleve image
- Navicula eumontana Messikommer image
- Navicula euryale Ehrenberg image
- Navicula eurycephala Rabenhorst image
- Navicula eurysoma Ehrenberg image
- Navicula euthimius J.L. Stone
- Navicula evanida Hustedt
- Navicula evexa Sovereign image
- Navicula evulsa Giffen image
- Navicula evulsa Giffen {illegitimate}
- Navicula evulsa Østrup image
- Navicula exasperans Kociolek & Reviers
- Navicula excavata Greville
- Navicula excavata subsp. hungarica (Pantocsek) R. Ross image
- Navicula excavata var. angelorum 'Cleve' image
- Navicula excavata var. angelorum Cleve image
- Navicula excellens Carlson image
- Navicula excelsa Krasske
- Navicula excentrica Grunow
- Navicula excentrica f. curta Grunow image
- Navicula excepta S.L. VanLandingham
- Navicula exemta A. Schmidt image
- Navicula exemta A.W.F. Schmidt image
- Navicula exigua (Gregory) Grunow {illegitimate}
- Navicula exigua Dujardin image
- Navicula exigua Gregory image
- Navicula exigua Gregory {illegitimate}
- Navicula exigua Pantocsek image
- Navicula exigua f. minor Chadha & D.C. Pandey image
- Navicula exigua f. stigmata O. Müller image
- Navicula exigua f. transitoria Manguin image
- Navicula exigua f. undulata Hustedt
- Navicula exigua var. alaskaensis Manguin image
- Navicula exigua var. alaskensis E. Manguin ex Kociolek & Reviers
- Navicula exigua var. alaskensis_('alaskaensis') E. Manguin {invalid}
- Navicula exigua var. calcuttensis Skvortzov image
- Navicula exigua var. capitata Patrick image
- Navicula exigua var. capitata Patrick image
- Navicula exigua var. elliptica Hustedt
- Navicula exigua var. lanceolata O. Müller image
- Navicula exigua var. signata Hustedt
- Navicula exigua var. sinica Skvortzov image
- Navicula exiguiformis Hustedt
- Navicula exiguiformis f. capitata Hustedt image
- Navicula exiguiformis f. elliptica Hustedt image
- Navicula exiguiformis f. undulata Hustedt image
- Navicula exiguiformis var. von-hauseniae (Cholnoky) Cholnoky image
- Navicula exiguoides_('exiguoidis') Hustedt
- Navicula exiguoidis Hustedt image
- Navicula exiliformis Reichardt
- Navicula exilioides S. Mayama & H. Kobayasi
- Navicula exilior Østrup image
- Navicula exilis Grunow image
- Navicula exilis Kützing image
- Navicula exilis var. thermalis (Grunow) O. Müller
- Navicula exilissima Grunow image
- Navicula exilissima var. dubia Hustedt image
- Navicula exillima Grunow image
- Navicula exiloides H. Kobayasi & S. Mayama
- Navicula eximia (Grunow) Grunow image
- Navicula expansa Hagelstein
- Navicula expecta S.L. VanLandingham
- Navicula expectilis Pantocsek image
- Navicula expectilis var. producta Pantocsek image
- Navicula expedita A.W.F. Schmidt image
- Navicula expeditionis Frenguelli image
- Navicula explanata Hustedt
- Navicula explanata var. lanceolata Foged image
- Navicula expleta A.W.F. Schmidt image
- Navicula expleta O'Meara image
- Navicula expleta var. domblittensis Grunow image
- Navicula explicata Hustedt image
- Navicula explicatoides Hustedt image
- Navicula explorata Hustedt
- Navicula exsul A. Schmidt
- Navicula exsul A.W.F. Schmidt image
- Navicula eymei Coste & Ricard image
- Navicula faba (Ehrenberg) Kützing image
- Navicula fabiformis A. Witkowski, C. Riaux-Gobin, & G. Daniszewska-Kowalczyk
- Navicula faceta Hustedt image
- Navicula facilis Krasske image
- Navicula falaisensis Grunow
- Navicula falaisensis f. capitula P. Fusey image
- Navicula falaisensis var. capitata Manguin image
- Navicula falaisensis var. lanceola Grunow
- Navicula falaisensis var. nipponica Skvortzov image
- Navicula falax Pantocsek image
- Navicula falklandiae Ehrenberg image
- Navicula fallax Cleve image
- Navicula falsalyra Hendey image
- Navicula famintzinii Mereschkowsky image
- Navicula faoensis Pankow & Huq image
- Navicula farakulumensis Foged image
- Navicula farcimen Østrup image
- Navicula farta Husted ex Foged
- Navicula fasciata Lagerstedt
- Navicula fasciata var. fontinalis (Grunow) Frenguelli image
- Navicula fasciata var. gigantea M. Peragallo image
- Navicula fasciata var. inflata Pantocsek image
- Navicula fasciata var. marcata Østrup image
- Navicula fasciata var. miramaris Frenguelli image
- Navicula fasciculata (Grunow) Hustedt image
- Navicula fastuosa Ehrenberg
- Navicula fatigans Zimmermann image
- Navicula fauta Hustedt image
- Navicula fauta var. cubaensis Foged image
- Navicula favus Salah image
- Navicula fawumangensis Foged image
- Navicula febigeri_('Febigerii') Cleve
- Navicula febigeri_('febigerii') Cleve image
- Navicula fenestrella Hustedt
- Navicula fennica Hustedt image
- Navicula fennoscandica Cleve-Euler image
- Navicula fenzlii Grunow image
- Navicula fernandae D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula fernandesii A.R. Moura image
- Navicula fernandi-koburg Pantocsek image
- Navicula ferraziae_('ferrazae') Cholnoky image
- Navicula festiva Krasske image
- Navicula festiva f. latior Cleve- Euler image
- Navicula feuerbornii f. africana Foged image
- Navicula feuerbornii f. minor Cholnoky image
- Navicula feuerbornii var. rostrata Gandhi image
- Navicula feuerbornii_('feuerborni') Hustedt image
- Navicula filarszkyana Pantocsek & Greguss image
- Navicula filarszkyi Pantocsek image
- Navicula filholi Soubeiran image
- Navicula filholii_('Filholi') Soubeiran
- Navicula filiformis Pantocsek image
- Navicula finitima Hustedt
- Navicula finitima Janisch image
- Navicula finmarchica (Cleve & Grunow) Cleve
- Navicula finmarchica var. acuta Salah
- Navicula finmarchica var. elliptica P. Schulz image
- Navicula firma Kützing image
- Navicula firma Kützing
- Navicula firma f. triundulata Suringar image
- Navicula firma var. amphigomphus (Ehrenberg) Lewis image
- Navicula firma var. cuneata Grunow image
- Navicula firma var. diminuta Pantocsek image
- Navicula firma var. genuina Grunow image
- Navicula firma var. iridis (Ehrenberg) Lewis image
- Navicula firma var. major Grunow image
- Navicula firma var. scoliopleuroides Petit image
- Navicula firma var. subampliata Grunow
- Navicula firma var. subundulata Grunow image
- Navicula firma var. tumescens (Grunow) Mann image
- Navicula firma var. tumescens Grunow image
- Navicula fischeri A.W.F. Schmidt image
- Navicula fistula A. Schmidt image
- Navicula flabellata F. Meister
- Navicula flabellata Meister image
- Navicula flagellifera Hustedt image
- Navicula flahaultii_('Flahaulti') Lauby image
- Navicula flamma A.W.F. Schmidt image
- Navicula flammarionensis S.L. VanLandingham
- Navicula flammula A.W.F. Schmidt image
- Navicula flanatica Grunow image
- Navicula flanatica var. ammophila (Grunow) R. Ross image
- Navicula flanatica var. tenuis Cleve-Euler image
- Navicula flandriae B. Van de Vijver & A. Mertens
- Navicula flatheadensis L.L. Bahls
- Navicula flattii Pantocsek image
- Navicula flavascinensis F. Moghadam
- Navicula flebilis Cholnoky image
- Navicula flexuosa Ehrenberg image
- Navicula floridana Cleve image
- Navicula floriniae M. Møller image
- Navicula floriniae_(`florinae') M. Moeller
- Navicula flotowii Grunow
- Navicula fluens Hustedt image
- Navicula fluens var. baikalensis Skvortzov image
- Navicula fluens var. linearis Nygaard image
- Navicula fluens var. subrostrata Skvortzov
- Navicula fluitans Brun image
- Navicula fluitans var. biconvexa J. Brun image
- Navicula fluitans var. cuneoquadrata J. Brun image
- Navicula fluminensis Grunow image
- Navicula fluminensis var. floridana 'Cleve' image
- Navicula fluminensis var. kerguelensis Grunow image
- Navicula fluminensis var. minor Grunow image
- Navicula fluminisirtysch Chistyakov image
- Navicula fluminitica Camburn image
- Navicula fluviae-jenisseyi Skvortzov image
- Navicula fluviatilis Hustedt image
- Navicula fogedii F.R. Schoeman {illegitimate}
- Navicula foliola Tempère & Brun image
- Navicula folium Ehrenberg image
- Navicula follis Ehrenberg image
- Navicula fontana J. Zelazna-Wieczorek & H. Lange-Bertalot {invalid}
- Navicula fontana J. Zelazna-Wieczorek, H. Lange-Bertalot, R. Olszynski & A. Witkowski
- Navicula fontellii A. Cleve-Euler
- Navicula fontellii Cleve-Euler image
- Navicula fonticola Grunow image
- Navicula fontinalis Grunow
- Navicula forcipata Greville
- Navicula forcipata var. balnearis (Grunow) Cleve
- Navicula forcipata var. densestriata A. Schmidt
- Navicula forcipata var. densestriata A.W.F. Schmidt image
- Navicula forcipata var. minima Østrup
- Navicula forcipata var. minima Østrup image
- Navicula forcipata var. minor A.W.F. Schmidt image
- Navicula forcipata var. nummularia (Greville) Cleve
- Navicula forcipata var. nummularioides Grunow image
- Navicula forcipata var. punctata Cleve image
- Navicula forcipata var. spatiata Østrup
- Navicula forcipata var. spatiata Østrup image
- Navicula forcipata var. versicolor Grunow image
- Navicula formica Ehrenberg image
- Navicula formicata Krasske image
- Navicula formicina Grunow image
- Navicula formosa Gregory image
- Navicula formosa var. cuneata Frenguelli image
- Navicula formosa var. fossilis Pantocsek image
- Navicula formosa var. intermedia (Frenguelli) Frenguelli image
- Navicula formosa var. jaguaripensis Zimmermann image
- Navicula formosa var. maxima Reinhold image
- Navicula formosa var. typica Van Heurck image
- Navicula fortii Pantocsek
- Navicula fortis (Gregory) Ralfs image
- Navicula fortis f. minor Cleve-Euler image
- Navicula fortis var. opima Grunow image
- Navicula fortunata Leuduger-Fortmorel image
- Navicula fossalis Krasske
- Navicula fossalis var. obsidialis (Hustedt) Lange-Bertalot image
- Navicula fossaloides Hustedt
- Navicula fossilioides E. Manguin ex Kociolek & Reviers
- Navicula fossilioides E. Manguin {invalid}
- Navicula fossilioides Manguin image
- Navicula fossilis Ehrenberg
- Navicula fracta Hustedt image
- Navicula fracta Hustedt ex R. Simonsen
- Navicula fracta Hustedt {invalid}
- Navicula fragilarioides Krasske image
- Navicula fragilarioides var. laevissima (Cleve) Krasske image
- Navicula fragilis (Greville) Heiberg image
- Navicula fragilis Skvortzov & Meyer image
- Navicula franciscae O'Meara image
- Navicula frasnensis P. Fusey image
- Navicula fraudulenta A. Schmidt
- Navicula fraudulenta A.W.F. Schmidt image
- Navicula frauenfeldii (Grunow) Grunow image
- Navicula freesei Patrick & Freese image
- Navicula frequens Van Heurck image
- Navicula frequens f. major Peragallo image
- Navicula frickei Pantocsek image
- Navicula frickei Van Heurck image
- Navicula friedelhinziae A. Wojtal, N. Ognjanova-Rumenova, K. Buczkó & B. Van de Vijver
- Navicula friesneri Reimer image
- Navicula frigida Grunow image
- Navicula frigida Manguin image
- Navicula frigidicola D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig
- Navicula frisiae Brockmann image
- Navicula friska J.R. Carter image
- Navicula fritschii J.W.G. Lund image
- Navicula fromenterae Cleve image
- Navicula frugalis Hustedt image
- Navicula frustuliaeformis Cholnoky image
- Navicula frustuloides Patrick image
- Navicula frustulum Hustedt
- Navicula fuchsii Pantocsek image
- Navicula fuegiana Frenguelli image
- Navicula fuegiana var. rostrata Frenguelli image
- Navicula fuegiana var. yberiensis Frenguelli image
- Navicula fujianensis T.G. Chin & Z. Cheng
- Navicula fukiensis Skvortzov image
- Navicula fulva (Nitzsch) Ehrenberg image
- Navicula fulva Ehrenberg image
- Navicula fulva f. asymmetrica Dippel image
- Navicula fulva var. modesta Cleve-Euler image
- Navicula fundata Hustedt
- Navicula funiculata A. Mann image
- Navicula furtiva É. Manguin
- Navicula furtiva Manguin image
- Navicula fusca (Gregory) Ralfs image
- Navicula fusca var. delicata A. Schmidt image
- Navicula fusca var. excisa A. Schmidt
- Navicula fusca var. major H. Peragallo & M. Peragallo
- Navicula fusca var. permagna Pantocsek image
- Navicula fuscata Schumann image
- Navicula fushimiensis H. Okuno
- Navicula fusidium Ehrenberg image
- Navicula fusiformis (Ehrenberg) Hemprich & Ehrenberg image
- Navicula fusiformis Ehrenberg image
- Navicula fusiformis Grunow image
- Navicula fusiformis Grunow {illegitimate}
- Navicula fusiformis var. ostrearia (Bory) Grunow image
- Navicula fusioides Grunow image
- Navicula fusoides Grunow image
- Navicula fusticulus Østrup
- Navicula fusticulus Østrup image
- Navicula fustis Østrup image
- Navicula fusus (O.F. Müller) Bory image
- Navicula futilis A.W.F. Schmidt image
- Navicula fuxianturriformis Y.-L. Li, J.-S. Guo & J.P. Kociolek
- Navicula gaillonii Bory
- Navicula gainii M. Peragallo image
- Navicula galapagoensis A.W.R. Seddon & A. Witkowski
- Navicula galea Brun image
- Navicula galikii Pantocsek image
- Navicula gallapagensis Cleve image
- Navicula gallapagensis var. japonica Cleve image
- Navicula gallica (W. Smith) Lagerstedt image
- Navicula gallica var. laevissima (Cleve) Lange-Bertalot image
- Navicula gallica var. perpusilla (Grunow) Lange-Bertalot image
- Navicula galloae L.L. Bahls
- Navicula galvagensis O'Meara image
- Navicula gamma Cleve image
- Navicula gamma var. rectilineata Cleve image
- Navicula gandhii Meister image
- Navicula gandrupii var. simplex Krasske
- Navicula gandrupii_('gandrupi') (J.B. Petersen) Krasske
- Navicula gannae V.S. Vishnyakov
- Navicula garganica (Rabenhorst) Ralfs image
- Navicula garkeana (Grunow) Cleve
- Navicula gasilidei Héribaud
- Navicula gasilidei Heribaud image
- Navicula gasilidei var. major M. Peragallo image
- Navicula gasilidei var. minor M. Peragallo image
- Navicula gastriformis Hustedt
- Navicula gastroides Harting image
- Navicula gastroides var. elliptica M. Peragallo image
- Navicula gastrum (Ehrenberg) Kützing image
- Navicula gastrum (Ehrenberg) Kützing
- Navicula gastrum -- image
- Navicula gastrum Ehrenberg
- Navicula gastrum f. elliptica M. Peragallo & Heribaud image
- Navicula gastrum f. gasseana F.R. Schoeman {invalid}
- Navicula gastrum f. major M. Peragallo & Heribaud image
- Navicula gastrum f. maxima Lauby image
- Navicula gastrum f. minor Dippel image
- Navicula gastrum f. minor F. Gasse {invalid}
- Navicula gastrum f. minor Fusey image
- Navicula gastrum f. minor Grunow image
- Navicula gastrum f. minor Krasske image
- Navicula gastrum f. minuta O. Müller image
- Navicula gastrum f. nipponica Skvortzov
- Navicula gastrum f. rostrata Manguin image
- Navicula gastrum f. stigmata O. Müller
- Navicula gastrum var. baicalensis Skvortzov & Meyer image
- Navicula gastrum var. bistigmata Rich image
- Navicula gastrum var. boryana Pantocsek image
- Navicula gastrum var. capitata Manguin image
- Navicula gastrum var. elliptica (Peragallo & Heribaud) Østrup image
- Navicula gastrum var. exigua (Gregory) Grunow image
- Navicula gastrum var. exigua f. lanceolata (O. Müller) Woodhead & Tweed image
- Navicula gastrum var. galikii Pantocsek image
- Navicula gastrum var. genuina Mayer image
- Navicula gastrum var. hankensis Skvortzov image
- Navicula gastrum var. intermedia Østrup image
- Navicula gastrum var. jenisseyensis Grunow
- Navicula gastrum var. latiuscula Grunow
- Navicula gastrum var. limnetica Skvortzov image
- Navicula gastrum var. maxima Lauby image
- Navicula gastrum var. minima Lauby image
- Navicula gastrum var. minor Krasske image
- Navicula gastrum var. minor Lauby image
- Navicula gastrum var. mongolica Skvortzov image
- Navicula gastrum var. placentula (Ehrenberg) Mann image
- Navicula gastrum var. punctata Jouravleva
- Navicula gastrum var. remote-striata Cleve-Euler image
- Navicula gastrum var. signata Hustedt {invalid}
- Navicula gastrum var. styriaca Grunow image
- Navicula gastrum var. tanganikae Kufferath
- Navicula gastrum var. transvaalensis Cholnoky image
- Navicula gastrum var. turgida O. Müller image
- Navicula gastrum var. turgida O. Müller
- Navicula gaufinii F. Moghadam
- Navicula gaussii (Heiden) Hustedt image
- Navicula gauthieri Amosse image
- Navicula gauthieri var. producta Amosse image
- Navicula gebhardii_('gebhardi') Krasske image
- Navicula gebhardii_(`gebhardi') Krasske
- Navicula geisslerae R. Jahn
- Navicula geitleri Guermeur & Manguin {illegitimate}
- Navicula geitleri Guermeur & Manguin image
- Navicula geitleri Hustedt
- Navicula geitleri var. asymmetrica (H. Heiden) T.V. Desikachary & V.T. Sridharan
- Navicula gelida Cleve image
- Navicula gelida Grunow image
- Navicula gelida var. antarctica Heiden image
- Navicula gelida var. asymmetrica H. Heiden
- Navicula gelida var. latiuscula Manguin image
- Navicula gelida var. manitounukensis M. Poulin & A. Cardinal
- Navicula gelida var. minor Heiden image
- Navicula gelida var. parvula Heiden image
- Navicula gelida var. perpusilla P. Cleve image
- Navicula gelida var. radissonii M. Poulin & A. Cardinal
- Navicula gelida var. subimpressa (Grunow) Cleve image
- Navicula gelida var. tenuis Cleve image
- Navicula gemina A. Schmidt image
- Navicula gemina Ehrenberg image
- Navicula gemina f. minuta Cleve image
- Navicula gemina var. densestriata A.W.F. Schmidt image
- Navicula gemina var. egena A.W.F. Schmidt image
- Navicula geminata Turpin image
- Navicula gemma Ehrenberg
- Navicula gemmata Greville image
- Navicula gemmata var. biseriata Grunow image
- Navicula gemmata var. fossilis Pantocsek image
- Navicula gemmata var. mediterranea Grunow image
- Navicula gemmatula Grunow image
- Navicula gemmatula var. lacrimans (A. Schmidt) Fricke
- Navicula gemmifera R. Simonsen
- Navicula gendrei Heribaud image
- Navicula gendrei var. intermedia Lauby image
- Navicula gendrei var. pantocsekii M. Peragallo
- Navicula genestoermeri A. Witkowski, H. Lange-Bertalot & J.P. Kociolek
- Navicula genevensis J. Brun image
- Navicula geniculata Germain image
- Navicula geniculata H. Germain
- Navicula genifera A. Schmidt
- Navicula genifera A.W.F. Schmidt image
- Navicula genkalii M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula genovefae Fusey image
- Navicula gentilis Donkin image
- Navicula genuflexa Kützing image
- Navicula genuflexa Kützing
- Navicula genustriata Hustedt
- Navicula gerloffii Schimanski image
- Navicula gerloffii f. lanceolata Schimanski image
- Navicula germainii image
- Navicula germainii J.H. Wallace
- Navicula germanopolonica Witkowski & Lange-Bertalot
- Navicula geronimensis M. Potapova
- Navicula gibba Ehrenberg
- Navicula gibba Ehrenberg
- Navicula gibba Kützing {illegitimate}
- Navicula gibba var. abaujensis Pantocsek image
- Navicula gibba var. brevistriata (Grunow) Van Heurck image
- Navicula gibba var. brevistriata f. major Petkoff image
- Navicula gibba var. hyalina M. Peragallo & Heribaud image
- Navicula gibba var. major Grunow image
- Navicula gibba var. minor Balsamo image
- Navicula gibba var. parva O'Meara image
- Navicula gibba var. peckii (Rabenhorst) Grunow
- Navicula gibba var. tabellaria Truan y Luard image
- Navicula gibba var. undulata Pero image
- Navicula gibba-perizonata Schumann image
- Navicula gibberula Kützing image
- Navicula gibberula var. capitata Lagerstedt image
- Navicula gibberula var. oblonga Lagerstedt image
- Navicula gibberula var. subinflata Wolle
- Navicula gibbosa Hustedt
- Navicula gibbula Cleve
- Navicula gibbula f. undulata Hustedt image
- Navicula gibbula var. cantalica Heribaud image
- Navicula gibbula var. capitata (Lagerstedt) Cleve image
- Navicula gibbula var. elliptica Cleve-Euler image
- Navicula gibbula var. inflata Manguin image
- Navicula gibbula var. oblonga (Lagerstedt) Cleve image
- Navicula gibbula var. terrestris (J.B. Petersen) J.B. Petersen image
- Navicula gibbula var. undulata Krasske
- Navicula giebelii A.W.F. Schmidt image
- Navicula gieniaflorentina A. Witkowski, H. Lange-Bertalot, A. Brzezinska & J.P. Kociolek
- Navicula gieskesii Cholnoky image
- Navicula giffeniana Foged image
- Navicula giffeniana N. Foged
- Navicula gigantea Hustedt image
- Navicula gigantorum Cholnoky image
- Navicula gigas (Ehrenberg) Kützing image
- Navicula gigas Castracane image
- Navicula gigas var. gracilis Heribaud image
- Navicula gilva R.E.M. Archibald image
- Navicula girodi Lauby image
- Navicula girondica D. König image
- Navicula girondica König
- Navicula glaberrima W. West & G.S. West
- Navicula glaberrima West & West image
- Navicula glabra Østrup image
- Navicula glabrissima A. Mann image
- Navicula glabriuscula var. ellipsoidalis Proshkina-Lavrenko image
- Navicula glacialis (Cleve) Cleve image
- Navicula glacialis var. angusta Østrup image
- Navicula glacialis var. elongata P. Petit image
- Navicula glacialis var. hudsonii M. Poulin & A. Cardinal
- Navicula glacialis var. inaequalis Østrup image
- Navicula glacialis var. lanceoclata Heiden image
- Navicula glacialis var. septentrionalis Cleve image
- Navicula glaciei Van Heurck image
- Navicula glangeaudi Lauby image
- Navicula glans Ehrenberg image
- Navicula glasovii Juse image
- Navicula globiceps (Gregory) Ralfs image
- Navicula globiceps f. gracilis_('gracile') Lauby image
- Navicula globiceps var. crassior Grunow image
- Navicula globifera O'Meara image
- Navicula globosa Meister image
- Navicula globosaoides Foged image
- Navicula globulifera Hustedt image
- Navicula globulifera var. nipponnica Skvortzov image
- Navicula globulifera var. robusta Hustedt
- Navicula globuliferiformis Lange-Bertalot
- Navicula glomus J.R. Carter image
- Navicula gloriosa Brun image
- Navicula gloriosa var. inflata Brun image
- Navicula godfroyi M. Peragallo image
- Navicula goeppertiana var. dapaliformis (Hustedt) Lange-Bertalot image
- Navicula goeppertiana var. dapalis (Frenguelli) Lange-Bertalot image
- Navicula goeppertiana var. monita (Hustedt) Lange-Bertalot image
- Navicula goeppertiana var. peguana (Grunow) Lange-Bertalot image
- Navicula goersii L.L. Bahls
- Navicula goesii Cleve image
- Navicula gogorevii D. Chudaev, A. Glushchenko, M. Kulikovskiy & J.P. Kociolek
- Navicula gomontiana Heribaud image
- Navicula gomphonemacea Grunow image
- Navicula gomphonemacea Østrup image
- Navicula gomphonematoides Gusliakov
- Navicula gomphonemoides Østrup image
- Navicula gondwana Lange-Bertalot
- Navicula gongii D. Metzeltin & Y. Li
- Navicula gonzalvesiana H.P.Gandhi image
- Navicula goohon M.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin
- Navicula gorjanovicii Pantocsek
- Navicula gorjanovicii var. major Pantocsek image
- Navicula gorjanovicii var. minor Pantocsek image
- Navicula gotlandica Grunow image
- Navicula gotlandica f. minor Cleve-Euler image
- Navicula gottlandica Grunow image
- Navicula gourdonii M. Peragallo image
- Navicula gouwsii Cholnoky image
- Navicula gracilis Ehrenberg image
- Navicula gracilis f. constricta Frenguelli image
- Navicula gracilis f. cuneata Lauby
- Navicula gracilis f. laevis (Kützing) Rabenhorst image
- Navicula gracilis f. minutissima Hustedt image
- Navicula gracilis var. acuminata f. constricta Krasske image
- Navicula gracilis var. antarctica M. Peragallo image
- Navicula gracilis var. cincta-magna J. Brun image
- Navicula gracilis var. constricta Ant. Mayer
- Navicula gracilis var. genuina Mayer image
- Navicula gracilis var. genuina f. minor Mayer image
- Navicula gracilis var. laevis Kützing image
- Navicula gracilis var. mandurahensis J. John
- Navicula gracilis var. neglecta (Thwaites) G.S. West {illegitimate}
- Navicula gracilis var. obesa Østrup image
- Navicula gracilis var. radiosa (Kützing) Rabenhorst image
- Navicula gracilis var. recurva Meister
- Navicula gracilis var. schizonemoides Van Heurck
- Navicula gracilis var. vulpina (Kützing) Rabenhorst image
- Navicula gracillima (Gregory) Grunow image
- Navicula gracillima var. linearis (Gregory) Rabenhorst image
- Navicula gracillima var. lucida Heribaud image
- Navicula gracillima var. subcapitata (Gregory) Rabenhorst image
- Navicula gracillima var. tenuis (Gregory) Rabenhorst image
- Navicula graciloides A. Mayer image
- Navicula graciloides Mayer image
- Navicula graciloides f. minutissima Hustedt image
- Navicula graciloides var. barodensis H.P. Gandhi ex Karthick
- Navicula graciloides var. barodensis H.P. Gandhi {invalid}
- Navicula gradata Hustedt image
- Navicula gradatoides Cholnoky image
- Navicula graeffei_('graeffii') Grunow image
- Navicula gralana J.R. Carter & Denny image
- Navicula grammatostoma Ehrenberg
- Navicula grammitis Bory image
- Navicula grammitis Bory image
- Navicula granii (Jørgensen) Gran image
- Navicula granii Pantocsek {illegitimate}
- Navicula granoryza Giffen image
- Navicula granulata Bailey image
- Navicula granulata Bailey {illeg.}
- Navicula granulata Brebisson image
- Navicula granulata Brebisson image
- Navicula granulata Ehrenberg image
- Navicula granulata f. minor Van Heurck image
- Navicula granulata var. constricta H. Peragallo & M. Peragallo
- Navicula granulata var. japonica Skvortzov image
- Navicula granulata var. javanica Leuduger-Fortmorel image
- Navicula granulata var. peragallorum De Toni & Forti image
- Navicula granulata var. sublinearis Cleve- Euler image
- Navicula granulifera Skvortzov image
- Navicula granum Schumann image
- Navicula granum-avenae Schumann image
- Navicula grasmueckii Lange-Bertalot
- Navicula grata Pantocsek image
- Navicula grata Pantocsek image
- Navicula gratissima Hustedt image
- Navicula gravistriata Patrick image
- Navicula gravistriata R. Patrick
- Navicula gregalis Cholnoky image
- Navicula gregaria Donkin image
- Navicula gregaria var. genuina Cleve-Euler image
- Navicula gregaria var. reductissima D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula gregaria var. rostellata Mayer image
- Navicula gregaria var. thurholmensis (Juhlin-Dannfelt) Cleve image
- Navicula gregarioides Cholnoky image
- Navicula gregarioides f. lata Cholnoky image
- Navicula gregoriana Greville image
- Navicula gregoriana O'Meara
- Navicula gregorii O'Meara image
- Navicula gregorii Ralfs image
- Navicula gretharum Simonsen image
- Navicula grevilleana Hendey image
- Navicula grevillei var. apiculata (Greville) A. Cleve-Euler
- Navicula grevillei var. apiculata (Greville) Cleve-Euler image
- Navicula grevillei var. arbusta Proshkina-Lavrenko image
- Navicula grevillei var. pararhombica Proshkina-Lavrenko image
- Navicula grevillei var. remotiva Proshkina-Lavrenko image
- Navicula grevillei_('grevillii') (C. Agardh) Heiberg
- Navicula grevilleoides Hustedt image
- Navicula grevillii (C. Agardh) Heiberg image
- Navicula grimmei Krasske image
- Navicula grimmei var. castelli Cholnoky image
- Navicula grimmei var. producta Frenguelli image
- Navicula grimmei var. rostellata Hustedt
- Navicula grimmei_('Grimmii') Krasske
- Navicula grimmeioides H.P. Gandhi {invalid}
- Navicula grimmii Krasske image
- Navicula grimmioides Cholnoky image
- Navicula grippii Simonsen image
- Navicula groenlandica Cleve image
- Navicula groschopfii Hustedt image
- Navicula grossepunctata Hustedt
- Navicula grovei Cleve image
- Navicula groveoides Hustedt
- Navicula grudeensis Foged image
- Navicula gruendleri (Cleve & Grunow) Cleve image
- Navicula gruendleri Schmidt image
- Navicula gruendleri var. angusta Hustedt image
- Navicula gruendleri var. symmetrica Cleve image
- Navicula gruendleriana O'Meara image
- Navicula grundtvigii Foged image
- Navicula grunovii O´Meara image
- Navicula grunovii f. minor A.W.F. Schmidt image
- Navicula grunowii Rabenhorst image
- Navicula guadalupensis Manguin image
- Navicula guarujana Zimmermann image
- Navicula guatemalensis Cleve & Grove
- Navicula guatemalensis var. minor (Frenguelli) Frenguelli image
- Navicula guatemalensis var. pampeana (Frenguelli) Frenguelli image
- Navicula guaynaboensis Hagelstein
- Navicula guayqueriae Frenguelli
- Navicula guetharyana Fusey image
- Navicula guihotii Amosse image
- Navicula guinardiana J. Brun image
- Navicula gujaratensis Guiry & Karthick
- Navicula guluensis Giffen image
- Navicula gurowii Pantocsek image
- Navicula guttata Grunow image
- Navicula guttata var. maxima Cleve image
- Navicula guttata var. peragalloi_('Peragalli') (Brun) Cleve image
- Navicula guttulifera Rabenhorst image
- Navicula gutwinskii Pantocsek image
- Navicula gyrinida Mann image
- Navicula gysingensis Foged
- Navicula h Karsten image
- Navicula h-album_('h album') Cleve image
- Navicula habena M.H. Hohn & Hellerman image
- Navicula habita Hustedt
- Navicula hagelsteinii Hustedt image
- Navicula hahni Petit image
- Navicula hahnii var. stricta M. Peragallo image
- Navicula halinae A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula halionata Pantocsek image
- Navicula halionata var. directa Pantocsek image
- Navicula halionata var. magna Hajós image
- Navicula halionata var. minor Pantocsek image
- Navicula halionata var. robusta (Pantocsek) Cleve image
- Navicula halophila (Grunow) Cleve
- Navicula halophila f. nabogoensis Foged image
- Navicula halophila f. robusta Hustedt
- Navicula halophila f. subcapitata (Østrup) Hustedt image
- Navicula halophila f. tenuirostris Hustedt
- Navicula halophila var. areata Cholnoky image
- Navicula halophila var. arvernensis_('arvernense') R. d'Aubert image
- Navicula halophila var. brevis Skvortzov image
- Navicula halophila var. convergens Proshkina-Lavrenko image
- Navicula halophila var. eusebioi Héribaud
- Navicula halophila var. eusebioi Heribaud image
- Navicula halophila var. fogedii H.P. Gandhi ex Karthick
- Navicula halophila var. fogedii H.P. Gandhi {invalid}
- Navicula halophila var. gallica Østrup image
- Navicula halophila var. genuina Cleve-Euler image
- Navicula halophila var. major Heribaud image
- Navicula halophila var. minuta R. d'Aubert image
- Navicula halophila var. obscura R. d'Aubert image
- Navicula halophila var. okamurae Skvortzov image
- Navicula halophila var. reducta Husted image
- Navicula halophila var. rostrata Skvortzov image
- Navicula halophila var. subcapitata Østrup
- Navicula halophila var. subcapitata Østrup image
- Navicula halophila var. szelidensis Szemes image
- Navicula halophilioides Hustedt
- Navicula hambergii Hustedt
- Navicula hamiltonii A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula hamulifera Grunow
- Navicula hamulifera var. interrupta Cleve image
- Navicula hamulifera var. plicata Proshkina-Lavrenko image
- Navicula hancockiae_('hancockii') F.R. Schoeman {invalid}
- Navicula hangaica V.S. Vishnyakov, M.S. Kulikovskiy, S.I. Genkal & N.I. Dorofeyuk
- Navicula hangchowensis Skvortzov image
- Navicula hankae Skvortzov image
- Navicula hanseatica H. Lange-Bertalot & K. Stachura
- Navicula hanseatica Stachura & H. Lange-Bertalot {invalid}
- Navicula hanseatica subsp. circumarctica A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula hanseniana J.J. Lee & Reimer image
- Navicula hansenii_('hanseni') M. Møller image
- Navicula hantkenii Pantocsek image
- Navicula haradae_('Haradaae') Pantocsek image
- Navicula harbinensis Skvortzov image
- Navicula harderi Hustedt
- Navicula hariola Cholnoky image
- Navicula harmoniae L.L. Bahls
- Navicula harpa Ehrenberg image
- Navicula harrisoniana Cholnoky image
- Navicula hartii Cholnoky
- Navicula hartzii Foged image
- Navicula hassiaca Krasske image
- Navicula hassiaca Krasske image
- Navicula hassiaca Krasske
- Navicula hasta Pantocsek
- Navicula hasta f. minor Skvortzov image
- Navicula hasta var. austrolacustris E.V. Rodionova & G.V. Pomazkina
- Navicula hasta var. baicalensis E.V. Rodionova & G.V. Pomazkina
- Navicula hasta var. fossilis Skvortzov image
- Navicula hasta var. gracilis Skvortzov
- Navicula hasta var. punctata Boyer image
- Navicula hasta var. undulata (Skvortzov) H. Kobayasi
- Navicula hastaeformis Cholnoky image
- Navicula hastata Jurilj image
- Navicula hastatula H. Lange-Bertalot & A. Miho
- Navicula hauckii Cleve image
- Navicula haueri Grunow image
- Navicula haueri var. angustior Pantocsek image
- Navicula hawaiiensis J.R. Johansen image
- Navicula haynaldii Pantocsek image
- Navicula haytiana Truan y Luard & Witt image
- Navicula hazslinszkyi Pantocsek image
- Navicula hebes Ralfs image
- Navicula hebes f. bivittata Rabenhorst image
- Navicula hecateia Cholnoky image
- Navicula hedinii_('hedini') Hustedt
- Navicula heeri_('Heerii') Pantocsek
- Navicula heeri_('heerii') Pantocsek image
- Navicula heilprinensis Foged image
- Navicula heimansii van Dam & Kooyman image
- Navicula heimansioides Lange-Bertalot
- Navicula heimansioides Lange-Bertalot {invalid}
- Navicula heimii Manguin image
- Navicula heimii var. citriformis Manguin image
- Navicula helea Frenguelli image
- Navicula helensis P. Schulz
- Navicula helensoides Archibald image
- Navicula helmandensis Foged image
- Navicula helminae Heiden image
- Navicula helvetica J. Brun image
- Navicula helvetica f. rostrata Hustedt
- Navicula helvetica var. woltereckii_('Wolterecki') Hustedt
- Navicula hemiptera Kützing image
- Navicula hemiptera var. angusta Heribaud image
- Navicula hemiptera var. bielawskii Heribaud & M. Peragallo image
- Navicula hemiptera var. gibba Heribaud image
- Navicula hemiptera var. stauroneiformis (W. Smith) Lagerstedt image
- Navicula hemiviridula M. Peragallo image
- Navicula henckeli Skvortzov & Meyer image
- Navicula hennedyella Hustedt
- Navicula hennedyi W. Smith
- Navicula hennedyi f. bacillifera (Pantocsek) Cleve
- Navicula hennedyi f. californica (Greville) Hustedt image
- Navicula hennedyi f. couperi_('couperii') (Bailey) Hustedt image
- Navicula hennedyi f. cuneata (A.Schmidt) Hustedt image
- Navicula hennedyi f. granulata (Grunow) Hustedt image
- Navicula hennedyi f. insulans Jurilj image
- Navicula hennedyi f. le-tourneurii (Pantocsek) Hustedt image
- Navicula hennedyi f. longesulcata Hustedt image
- Navicula hennedyi f. maculans Jurilj image
- Navicula hennedyi f. major Heiden image
- Navicula hennedyi f. minor Jurilj image
- Navicula hennedyi f. obesa Jurilj image
- Navicula hennedyi f. subrostrata P. Schulz image
- Navicula hennedyi f. typica Hustedt image
- Navicula hennedyi f. undulata (Cleve) Hustedt image
- Navicula hennedyi var. aemilia Forti image
- Navicula hennedyi var. africana Tempère & Peragallo
- Navicula hennedyi var. bacillifera (Pantocsek) Fricke
- Navicula hennedyi var. brachypleura Forti image
- Navicula hennedyi var. californica (Greville) Cleve
- Navicula hennedyi var. caliginosa (Cleve & Grove) Cleve image
- Navicula hennedyi var. caliginosa Cleve & Grove image
- Navicula hennedyi var. centraster Cleve image
- Navicula hennedyi var. circumsecta (Grunow ex A. Schmidt) A. Cleve
- Navicula hennedyi var. circumsecta (Grunow) Cleve image
- Navicula hennedyi var. controversa A.W.F. Schmidt image
- Navicula hennedyi var. crassa H. Peragallo & M. Peragallo
- Navicula hennedyi var. cuneata A.W.F. Schmidt image
- Navicula hennedyi var. dentata Jurilj image
- Navicula hennedyi var. difficilis (Pantocsek) Cleve image
- Navicula hennedyi var. finitima Cleve image
- Navicula hennedyi var. fossilis Pantocsek image
- Navicula hennedyi var. furcata H. Peragallo & M. Peragallo
- Navicula hennedyi var. granulata Grunow
- Navicula hennedyi var. lumbricina Jurilj image
- Navicula hennedyi var. luxuosa Cleve-Euler image
- Navicula hennedyi var. manca A.W.F. Schmidt image
- Navicula hennedyi var. manca Schmidt
- Navicula hennedyi var. maxima Cleve image
- Navicula hennedyi var. minuta Cleve image
- Navicula hennedyi var. neapolitana Cleve image
- Navicula hennedyi var. nebulosa (Gregory) Cleve
- Navicula hennedyi var. nebulosa Jurilj image
- Navicula hennedyi var. nebulosa Jurilj {illegitimate}
- Navicula hennedyi var. nicaensis H. Peragallo image
- Navicula hennedyi var. nicaensis Peragallo
- Navicula hennedyi var. schleinitzii (Janisch) Cleve image
- Navicula hennedyi var. sordida Jurilj image
- Navicula hennedyi var. subrostrata C. Mereschkowsky image
- Navicula hennedyi var. tahitensis Cleve image
- Navicula hennedyi var. tenuistriata Cleve image
- Navicula hennedyi var. tigrina Jurilj image
- Navicula hennedyi var. undulata Cleve image
- Navicula hennedyi var. venustoides Mereschkowsky image
- Navicula hennedyi var. vermicularis Jurilj image
- Navicula hennedyoides Hustedt
- Navicula henriquesii Zimmermann image
- Navicula herbstiae D. Metzeltin & H. Lange-Bertalot
- Navicula heribaudii f. curta Skvortzov & Meyer image
- Navicula heribaudii var. elongata Skvortzov & Meyer image
- Navicula heribaudii_('Heribaudi') M. Peragallo image
- Navicula heroina A. Schmidt
- Navicula heroina A.W.F. Schmidt image
- Navicula herrmannii_('Herrmanii') Reichelt
- Navicula heteroflexa Pantocsek image
- Navicula heteroflexa var. constricta Pantocsek image
- Navicula heteroflexa var. minor Pantocsek image
- Navicula heteropunctata_('hetero-punctata') T.G. Chin & Z. Cheng
- Navicula heterostauron Germain image
- Navicula heterostauron H. Germain
- Navicula heterostauron var. rostrata Germain image
- Navicula heterostauron var. rostrata H. Germain
- Navicula heterostriata P. Fusey image
- Navicula heterovalvata R. Simonsen
- Navicula heterovalvata R. Simonsen {invalid}
- Navicula heterovalvata Simonsen image
- Navicula heufleri Grunow image
- Navicula heufleriana (Grunow) Cleve
- Navicula heufleriana var. minor J.W.G. Lund
- Navicula heufleriana var. septentrionalis Hustedt
- Navicula hevesensis Pantocsek image
- Navicula heviziana_('héviziana') Gallik
- Navicula hexagona Torka
- Navicula hexapla A.W.F. Schmidt image
- Navicula hibernica O'Meara image
- Navicula hibernica O'Meara image
- Navicula higleri A. Witkowski & H. Lange-Bertalot
- Navicula hilarula Pantocsek image
- Navicula hilliardii E. Manguin ex Kociolek & Reviers
- Navicula hilliardii E. Manguin {invalid}
- Navicula hilliardii Manguin image
- Navicula hilliardii var. pseudosiliculaoides (Foged) Foged image
- Navicula hilseana Janisch
- Navicula hintzii Lange-Bertalot
- Navicula hintzii Lange-Bertalot {invalid}
- Navicula hippocampus Ehrenberg image
- Navicula hippocampus var. laevis Ehrenberg image
- Navicula hippocampus var. striata (Corda) Ehrenberg image
- Navicula hippodontafallax A. Witkowski & Chunlian Li
- Navicula hippodontiformis_('hippodontaformis') A. Witkowski, C. Riaux-Gobin, & G. Daniszewska-Kowalczyk
- Navicula hirudo Rabenhorst image
- Navicula hitchcockii Ehrenberg
- Navicula hitchcockii Ehrenberg
- Navicula hitchcockii var. intermedia Lauby image
- Navicula hochstetteri Grunow
- Navicula hochstetteri var. patagonica Frenguelli
- Navicula hochstetteri var. placita (Grove & Sturt) Cleve image
- Navicula hochstetteriana Grunow image
- Navicula hodgeana Patrick & Freese
- Navicula hoefleri Cholnoky & Schindler image
- Navicula hoevsgoelreinhardtii M.B. Edlund & N. Soninkhishig
- Navicula hoffmannii Pantocsek image
- Navicula hofmanniae Lange-Bertalot
- Navicula hollandica Cholnoky image
- Navicula hollerupensis Foged image
- Navicula holmenii Foged image
- Navicula holmenii N. Foged
- Navicula holmiensis Cleve image
- Navicula holstii Cleve image
- Navicula holubyi Pantocsek image
- Navicula homburgiana Hustedt image
- Navicula hordeiformis Pantocsek image
- Navicula hornigii Pantocsek image
- Navicula horstii D. Metzeltin
- Navicula hospes A.W.F. Schmidt image
- Navicula howeana Hagelstein
- Navicula hudsonis Grunow ex Cleve
- Navicula huei Héribaud
- Navicula huei Heribaud image
- Navicula huei var. lata Lauby image
- Navicula hugenottarum Cholnoky image
- Navicula humboldtiana H. Lange-Bertalot & U. Rumrich
- Navicula humerosa Brébisson ex W. Smith
- Navicula humerosa Brebisson ex W. Smith image
- Navicula humerosa f. capensis Giffen image
- Navicula humerosa f. constricta (Cleve) Hustedt image
- Navicula humerosa f. minor Heiden image
- Navicula humerosa var. constricta Cleve image
- Navicula humerosa var. densestriata Cleve-Euler image
- Navicula humerosa var. elongata Pantocsek image
- Navicula humerosa var. fuchsii (Pantocsek) Cleve image
- Navicula humerosa var. fuscata (Schumann) O'Meara image
- Navicula humerosa var. lata Mölder image
- Navicula humerosa var. ovalis Frenguelli
- Navicula humerosa var. quadrata (Gregory) O'Meara image
- Navicula humilis Donkin image
- Navicula humjibreensis Foged image
- Navicula hummii Hustedt
- Navicula hungarica Grunow
- Navicula hungarica f. elegans Østrup image
- Navicula hungarica f. ovalis Frenguelli image
- Navicula hungarica var. acuta Cleve-Euler image
- Navicula hungarica var. arctica Patrick & Freese image
- Navicula hungarica var. arctica R. Patrick & L.R. Freese
- Navicula hungarica var. capitata (Ehrenberg) Cleve
- Navicula hungarica var. elegans (Østrup) Cleve-Euler image
- Navicula hungarica var. genuina Mayer image
- Navicula hungarica var. humilis (Donkin) Gutwinski image
- Navicula hungarica var. intermedia Skabichevskij
- Navicula hungarica var. lanceolata Skvortzov image
- Navicula hungarica var. lanceolata Østrup image
- Navicula hungarica var. linearis Østrup
- Navicula hungarica var. linearis Østrup image
- Navicula hungarica var. luneburgensis Grunow
- Navicula hungarica var. obtusa R.F. Bastow
- Navicula hungarica var. ovalis (Frenguelli) Frenguelli image
- Navicula hungarica var. rechingeri Stockmayer
- Navicula huniensis Foged image
- Navicula hustedtiana R. Simonsen
- Navicula hustedtiana Simonsen image
- Navicula hustedtii Krasske
- Navicula hustedtii f. philippina Skvortzov image
- Navicula hustedtii var. rhodesica Cholnoky image
- Navicula hyalina (Ehrenberg) Kützing image
- Navicula hyalina Donkin image
- Navicula hyalina Hajós image
- Navicula hyalina var. fossilis Pantocsek image
- Navicula hyalina var. minima Bristol image
- Navicula hyalinula De Toni
- Navicula hyalosira Cleve image
- Navicula hyalosirella Hustedt
- Navicula hybrida M. Peragallo & Heribaud image
- Navicula hyperborea Grunow
- Navicula hyrtlii Pantocsek image
- Navicula hyrtlii f. minor Østrup image
- Navicula hyrtlii var. linearis Østrup image
- Navicula iasnitskii Skvortzov & Meyer image
- Navicula iasnitskii var. obtusa Skvortzov & Meyer image
- Navicula iberica Azpeitia image
- Navicula icostauron (Ehrenberg) O'Meara image
- Navicula icostauron Grunow image
- Navicula icostauron var. conifera J. Brun & Héribaud
- Navicula icostauron var. conifera J. Brun & Heribaud image
- Navicula ignobilis Krasske image
- Navicula ignobilis Pantocsek image
- Navicula ignorata H. Schimanski
- Navicula ignorata Schimanski image
- Navicula ignota Krasske
- Navicula ignota var. acceptata (Hustedt) Lange-Bertalot
- Navicula ignota var. acceptata (Hustedt) Lange-Bertalot {invalid}
- Navicula ignota var. anglica J.W.G. Lund image
- Navicula ignota var. palustris (Hustedt) J.W.G. Lund
- Navicula ignota var. tahitiensis Coste & Ricard {invalid}
- Navicula ikarii var. curta Skvortzov
- Navicula ikarii var. nipponica Skvortzov image
- Navicula ikarii_('jkarii') Skvortzov
- Navicula illicita E. Manguin ex Kociolek & Reviers
- Navicula illicita E. Manguin {invalid}
- Navicula illicita Manguin image
- Navicula illinoensis Ehrenberg image
- Navicula illustra var. antiqua Heiden image
- Navicula illustra var. cuneata Heiden image
- Navicula illustrioides Hustedt
- Navicula illustris Krasske image
- Navicula illustris Pantocsek image
- Navicula illustris var. neapolitana Hustedt image
- Navicula illustris_('illustra') Pantocsek
- Navicula ilopangoensis Hustedt image
- Navicula imbecilla Cholnoky image
- Navicula imbellis M.H. Hohn & Hellerman image
- Navicula imbricata W. Bock
- Navicula imitans A. Mann
- Navicula impangenica Cholnoky image
- Navicula impercepta Hustedt
- Navicula imperfecta Cleve
- Navicula imperfecta var. antarctica Heiden image
- Navicula imperfecta var. lanceolata Heiden image
- Navicula imperialis (Ehrenberg) Kützing image
- Navicula impertila M.H. Hohn & Hellerman image
- Navicula impexa Hustedt image
- Navicula implana Hustedt
- Navicula impleta Cleve & Grove image
- Navicula importuna Hustedt
- Navicula impossibilis Cholnoky image
- Navicula impressa Grunow image
- Navicula impressa Lagerstedt image
- Navicula impressa Lagerstedt image
- Navicula inaequalis Crouan fr. image
- Navicula inaequalis Crouan fr. image
- Navicula inaequalis Ehrenberg
- Navicula inaequilatera Lagerstedt
- Navicula inaequistriata Rattray
- Navicula inattingens R. Simonsen
- Navicula inaurata Hendey
- Navicula incarum H. Lange-Bertalot & U. Rumrich
- Navicula incerta Grunow image
- Navicula incerta f. asiatica Skvortzov
- Navicula incertata Lange-Bertalot image
- Navicula incisa Meister image
- Navicula incisa O'Meara image
- Navicula inclementis Hendey image
- Navicula inclinata Hustedt image
- Navicula includens Pantocsek image
- Navicula incoacta Hustedt
- Navicula incognita Krasske
- Navicula incognita var. capitata Hustedt
- Navicula incomitatus M.H. Hohn & Hellerman image
- Navicula incomperta Lewis image
- Navicula incomperta var. fossilis Pantocsek image
- Navicula incomposita Hagelstein
- Navicula incomposita var. minor Hagelstein
- Navicula incompta Krasske image
- Navicula incompta var. incurva C.W. Reimer
- Navicula incongruens Hendey image
- Navicula inconspicua Gregory image
- Navicula incudiformis Grunow image
- Navicula inculta Manguin image
- Navicula inculta Pantocsek image
- Navicula incurva Auerswald image
- Navicula incurva Gregory image
- Navicula incurva var. minor Gutwinski image
- Navicula incurvata Gregory image
- Navicula incus Grunow image
- Navicula incus var. abbreviata Grunow image
- Navicula indefinita M. Peragallo image
- Navicula indemnis M.H. Hohn & Hellerman image
- Navicula index Tempère & Brun image
- Navicula indianensis Reimer image
- Navicula indica Ehrenberg
- Navicula indica Greville image
- Navicula indica Greville {illegitimate}
- Navicula indifferens Hustedt
- Navicula indigens A. Mann image
- Navicula inducens Cholnoky image
- Navicula indulgens R. Simonsen
- Navicula indulgens R. Simonsen {invalid}
- Navicula indulgens Simonsen image
- Navicula inelegans Grove & Sturt image
- Navicula inexacta A. Mann image
- Navicula inexpectans J.R. Carter image
- Navicula inexplorata Krasske
- Navicula infaceta Cholnoky image
- Navicula infirma Grunow image
- Navicula infirma Manguin image
- Navicula infirmata Hustedt & Manguin image
- Navicula infirmitata Giffen
- Navicula inflasa Rabenhorst image
- Navicula inflata (Kützing) Kützing image
- Navicula inflata Gandhi image
- Navicula inflata H.P. Gandhi {illegitimate}
- Navicula inflata var. rostrata D. McCall image
- Navicula inflata var. striata Kützing image
- Navicula inflatoides H.P. Gandhi
- Navicula inflexa (Gregory) Ralfs image
- Navicula inflexa var. biharensis Pantocsek image
- Navicula infossa B. Laslandes & J.P. Kociolek
- Navicula infrenis M.H. Hohn & Hellerman image
- Navicula ingapirca U. Rumrich & H. Lange-Bertalot
- Navicula ingens A. Mann image
- Navicula ingenua Hustedt
- Navicula ingoldii Foged image
- Navicula ingrata Krasske image
- Navicula ingrata f. capitata Krasske image
- Navicula ingstadii Foged
- Navicula ingustata Cholnoky image
- Navicula inhalata A. Schmidt
- Navicula inhalata A.W.F. Schmidt image
- Navicula inhalata var. biharensis Pantocsek image
- Navicula inhalata var. lanceolata Cleve image
- Navicula iniqua Krasske image
- Navicula injusta R. Simonsen
- Navicula injusta Simonsen image
- Navicula innommata Leuduger-Fortmorel image
- Navicula inornata Grunow image
- Navicula inpunctata Cholnoky image
- Navicula inquisitor Cholnoky image
- Navicula inscendens Pantocsek image
- Navicula inscriptura Hendey
- Navicula insepta J.R. Carter & Denny image
- Navicula insequens Hustedt image
- Navicula inserata Hustedt
- Navicula inserata f. undulata (Hustedt) Hustedt image
- Navicula inserata var. elliptica Cholnoky image
- Navicula inserata var. undulata Hustedt
- Navicula inseriata Hajós image
- Navicula insignificans Mann image
- Navicula insignis Pantocsek image
- Navicula insignita Hustedt
- Navicula insignita f. minor É. Manguin
- Navicula insignita f. minor Manguin image
- Navicula insignita var. rostrata Suxena image
- Navicula insociabilis Krasske
- Navicula insociabilis var. dissipatoides Hustedt
- Navicula insociabilis var. lanceolata Skvortzov image
- Navicula insolita É. Manguin ex J.P. Kociolek & B. Reviers
- Navicula insolita É. Manguin {invalid}
- Navicula insolita Manguin image
- Navicula insolubilis Cholnoky image
- Navicula instabilis A. Schmidt
- Navicula instabilis A.W.F. Schmidt image
- Navicula insularis Ehrenberg image
- Navicula insulsa D. Metzeltin & H. Lange-Bertalot
- Navicula insulsa Manguin image
- Navicula insuta Manguin image
- Navicula intacta Pantocsek image
- Navicula integra (W. Smith) Ralfs
- Navicula integra var. conspicua A. Cleve-Euler image
- Navicula integra var. conspicua Backman & Cleve-Euler image
- Navicula integra var. elliptica Krasske image
- Navicula integra var. gibba Pantocsek image
- Navicula integra var. helvetica Limanowska
- Navicula integra var. maculata T.G. Chin & Z. Cheng
- Navicula integra var. truncata Hustedt image
- Navicula integra var. truncata Hustedt image
- Navicula intercedens A. Schmidt
- Navicula intercedens A.W.F. Schmidt image
- Navicula interglacialis Hustedt
- Navicula interlineata Grove & Sturt image
- Navicula intermedia Lagerstedt image
- Navicula intermedia var. antarctica M. Peragallo image
- Navicula intermixta Hustedt image
- Navicula intermixta var. parva J.L. Stone
- Navicula interposita Lewis image
- Navicula interrupta (Ehrenberg) Ehrenberg image
- Navicula interrupta (W. Smith) A.W.F. Schmidt image
- Navicula interrupta Hemprich & Ehrenberg image
- Navicula interrupta Kützing image
- Navicula interrupta f. bicapitata (Lagerstedt) Fritsch
- Navicula interrupta f. genuina Fritsch image
- Navicula interrupta f. pseudomesolepta Fritsch & Rich image
- Navicula interrupta f. sub-bicapitata Fritsch image
- Navicula interrupta f. subcapitata (Gregory) Fritsch image
- Navicula interrupta f. westii Fritsch image
- Navicula interrupta var. bicapitata (Lagerstedt) Wolle
- Navicula interrupta var. fossilis Pantocsek image
- Navicula interrupta var. gorjanovicii (Pantocsek) F.W. Mills
- Navicula interrupta var. microstauron_('Microstaurum') (Ehrenberg) Wolle
- Navicula interrupta var. novae-seelandiae A.W.F. Schmidt image
- Navicula interrupta var. novaeseelandiae_('novae seelandiae') A. Schmidt
- Navicula interrupta var. stauroneiformis Lauby image
- Navicula interrupta var. tallyana Grunow image
- Navicula interrupta var. zanzibarica Grunow
- Navicula interruptestriata G.H. Schwabe & R. Simonsen
- Navicula interruptestriata Simonsen image
- Navicula interversa H. Peragallo & M. Peragallo
- Navicula intestinalis H. Lange-Bertalot & A. Witkowski
- Navicula intractata Hustedt
- Navicula intricata Keraeva image
- Navicula inutilis Krasske image
- Navicula invenusta Mann image
- Navicula inversa Ehrenberg image
- Navicula investigata Heiden
- Navicula invicta Hustedt image
- Navicula invisitata Heiden image
- Navicula involata J.R. Carter & Denny image
- Navicula involuta Mayer image
- Navicula iota Cleve image
- Navicula iranensis Hustedt
- Navicula irata G. Krasske
- Navicula irata Krasske image
- Navicula ireneae B. Van de Vijver, A. Jarlman, & H. Lange-Bertalot
- Navicula iridis Ehrenberg image
- Navicula iridis Manguin image
- Navicula iridis f. angustata M. Peragallo & Heribaud image
- Navicula iridis f. intermedia Dippel image
- Navicula iridis f. media Dippel image
- Navicula iridis f. minor Dippel image
- Navicula iridis f. minor Frenguelli image
- Navicula iridis f. minor Pero image
- Navicula iridis var. affinis (Ehrenberg) O'Meara image
- Navicula iridis var. amphigomphus (Ehrenberg) O'Meara image
- Navicula iridis var. dubia Frenguelli image
- Navicula iridis var. minor (Pero) Pero image
- Navicula iridis var. reducta Manguin image
- Navicula iridis var. subproducta Héribaud
- Navicula iridis var. subproducta Heribaud image
- Navicula irmengardis H. Lange-Bertalot
- Navicula irminiae A. Witkowski, C. Riaux-Gobin, & G. Daniszewska-Kowalczyk
- Navicula irregularis Pantocsek image
- Navicula irreversa Cholnoky image
- Navicula irritans Cholnoky image
- Navicula irritans R. Simonsen {invalid}
- Navicula irritans Simonsen image
- Navicula irrorata Greville
- Navicula irrorata f. mexicana (Cleve) Hustedt image
- Navicula irrorata f. typica Hustedt image
- Navicula irrorata var. ceylanica Cleve image
- Navicula irrorata var. elliptica Cleve image
- Navicula irrorata var. fossilis Pantocsek image
- Navicula irrorata var. lineata Heiden image
- Navicula irrorata var. maculata Heiden image
- Navicula irrorata var. mexicana Cleve image
- Navicula irrorata var. substauroneiformis (Grunow) Cleve
- Navicula irroratoides Hustedt
- Navicula irroratoides f. elliptica Hustedt image
- Navicula isabelensiformis A.W.R. Seddon & A. Witkowski
- Navicula isabelensiminor A.W.R. Seddon & A. Witkowski
- Navicula isabelensis A.W.R. Seddon & A. Witkowski
- Navicula isabelensoides A.W.R. Seddon & A. Witkowski
- Navicula iserentantii H. Lange-Bertalot & A. Witkowski
- Navicula isertii Foged image
- Navicula islandica Østrup
- Navicula islandica Østrup image
- Navicula isocephala (Ehrenberg) Kützing image
- Navicula isostauron (Ehrenberg) Pantocsek image
- Navicula isostauron Ehrenberg image
- Navicula istriana (Grunow) Pantocsek image
- Navicula iversenii Foged image
- Navicula ivigtutensis Foged image
- Navicula izsopallagae Heiden image
- Navicula jaagi Meister image
- Navicula jaagii_('jaagi') Meister
- Navicula jacksoni Schrader image
- Navicula jacksonii_('jacksoni') Schrader {illegitimate}
- Navicula jacobii Manguin image
- Navicula jacotiae Schoeman image
- Navicula jaernefeltii Hustedt image
- Navicula jaernefeltii Hustedt image
- Navicula jaernefeltii_('Järnefelti') Hustedt {invalid}
- Navicula jaernefeltii_('järnefelti') Hustedt
- Navicula jaernefeltioides Ricard image
- Navicula jakkalsica Cholnoky image
- Navicula jakovljevicii_('jakovljevici') Hustedt
- Navicula jamaicensis Greville image
- Navicula jamalinensis Cleve
- Navicula jamalinensis var. maculata Heiden
- Navicula jamalinensis var. schizostauron Cleve image
- Navicula jamalinensis var. simiaevultus (Brun) Cleve image
- Navicula jamalinensis var. subcircularis Østrup
- Navicula jamalinensis var. subcircularis Østrup image
- Navicula jamiesonii_('jamiesoni') H.G. Barber & J.R. Carter
- Navicula janischii Castracane image
- Navicula japonica Heiden
- Navicula jasnitskii -- image
- Navicula jasnitskii f. constricta (Skvortzov) Hustedt image
- Navicula jasnitskii f. obtusa (Skvortzov & Meyer) Hustedt image
- Navicula jasnitskii var. constricta Jasnitsky
- Navicula jatobensis Krasske
- Navicula jatobensis var. capitata Krasske
- Navicula javanensis Leuduger-Fortmorel image
- Navicula javanica Grunow image
- Navicula jeffreyae G.M. Hallegraeff & M.A. Burford image
- Navicula jeffreyae_(`jeffreyi') G.M. Hallegraeff & M.A. Burford
- Navicula jejuna A.W.F. Schmidt image
- Navicula jejuna var. arctica Østrup image
- Navicula jejunoides Van Heurck image
- Navicula jejunoides f. longissima Van Heurck image
- Navicula jelinekiana Grunow image
- Navicula jelinekiana Grunow {illegitimate}
- Navicula jelinekii_('jelineckii') Grunow
- Navicula jenneri_('jennerii') W. Smith image
- Navicula jenneri_(`jennerii') W. Smith {illegitimate}
- Navicula jentzschii Grunow
- Navicula jentzschii f. major Cleve-Euler image
- Navicula jentzschii f. minor Cleve-Euler image
- Navicula jentzschii f. typica Cleve-Euler image
- Navicula jentzschii var. elongata A. Cleve-Euler image
- Navicula jequitinhonhae Zimmermann image
- Navicula jessenii Foged image
- Navicula jimboi Pantocsek image
- Navicula jimboi var. cymbelloides Jouse image
- Navicula jimboi var. ussuriensis Jouse image
- Navicula jogensis Gandhi image
- Navicula jogensis H.P. Gandhi {illegitimate}
- Navicula johanrossii Giffen image
- Navicula johncarteri_('johncarterii') D.M. Williams
- Navicula johnsoniana Greville image
- Navicula johnsonii (W.Smith) O´Meara image
- Navicula johnsonii var. belgica Van Heurck
- Navicula jonssoni Østrup image
- Navicula jordani Ehrenberg image
- Navicula josephi Pantocsek image
- Navicula joubaudii H. Germain
- Navicula joursacensis Heribaud image
- Navicula jouseana Skvortzov image
- Navicula juanitalinda D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez
- Navicula jucunda Cleve-Euler image
- Navicula jucunda Pantocsek image
- Navicula jugata Cleve image
- Navicula julieni Heribaud & J. Brun image
- Navicula julienii_('Julieni') Héribaud & J. Brun
- Navicula jungi Krasske image
- Navicula jungi var. inflata Krasske image
- Navicula jungii f. inflata (Krasske) Hustedt image
- Navicula jurassensis P. Fusey image
- Navicula jurgensii Kützing image
- Navicula jurilji Hajós image
- Navicula justa Hustedt
- Navicula juvens Ehrenberg image
- Navicula kaapensis Cholnoky image
- Navicula kaelfvensis Grunow image
- Navicula kaikonkiensis Woodhead & Tweed image
- Navicula kalganica Skvortzov
- Navicula kamorthensis Grunow
- Navicula kanemi Iltis image
- Navicula kanitzii Pantocsek image
- Navicula kantsiensis Giffen
- Navicula kappa Cleve image
- Navicula karelica Cleve-Euler image
- Navicula karelica var. baicalensis Skvortzov & Meyer image
- Navicula kariana Grunow image
- Navicula kariana Meunier image
- Navicula kariana f. curta Cleve image
- Navicula kariana f. japonica Skvortzov image
- Navicula kariana var. curta (Cleve) R. Ross image
- Navicula kariana var. detersa Grunow image
- Navicula kariana var. detersa Grunow image
- Navicula kariana var. frigida (Grunow) Cleve image
- Navicula kariana var. minor Grunow, inval. image
- Navicula karsia Hohn image
- Navicula karstenii Pantocsek image
- Navicula kawamurae Skvortzov image
- Navicula keeleyi Patrick image
- Navicula kefvingensis Ehrenberg image
- Navicula kelleri Pantocsek image
- Navicula kenaiensis J.L. Stone
- Navicula kenon Skvortzov image
- Navicula kenyae Cholnoky image
- Navicula kepesii Grunow image
- Navicula kerguelensis (Ehrenberg) Ralfs image
- Navicula kerguelensis Castracane image
- Navicula kerguelensis Heiden image
- Navicula kerguelensis Heiden {illegitimate}
- Navicula kerguelensis f. major Manguin image
- Navicula kernensis Hanna image
- Navicula kertschiana Pantocsek image
- Navicula khentiiensis D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig
- Navicula kincaidii Sovereign image
- Navicula kinkeri_('kinkerii') Pantocsek image
- Navicula kinkeriana Pantocsek image
- Navicula kirchneriana Florin image
- Navicula kisber M.H. Hohn & Hellerman image
- Navicula kittoniana A.W.F. Schmidt image
- Navicula kittoniana O'Meara image
- Navicula kizakensis Skvortzov image
- Navicula kjellmanii (Cleve) Cleve image
- Navicula kjellmanii f. subconstricta (Grunow) Hustedt image
- Navicula kjellmanii var. subconstricta (Grunow) Cleve image
- Navicula klavsenii Østrup image
- Navicula klavsenii var. turgida Cleve-Euler image
- Navicula kleerekoperi Patrick image
- Navicula knysnensis Cholnoky image
- Navicula kochii (Ehrenberg) Kützing image
- Navicula kochii Pantocsek image
- Navicula koeiei Foged image
- Navicula koenigii_('koenigi') Brockmann image
- Navicula kohlenbachii H. Lange-Bertalot & U. Rumrich
- Navicula kohlmaieri H. Lange-Bertalot
- Navicula koidzumiana (Skvortzov) A. Tuji
- Navicula kolbei Meister image
- Navicula kolbei V.S. Poretzky & Anissimova {illegitimate}
- Navicula kolentiensis Woodhead & Tweed image
- Navicula kolugoensis Foged image
- Navicula koniamboensis E. Manguin ex Kociolek & Reviers
- Navicula koniamboensis E. Manguin {invalid}
- Navicula koniamboensis Manguin image
- Navicula konstantini Skabichevskií image
- Navicula konstantinii_('konstantini') Skabichevskij
- Navicula korzeniewskii A. Witkowski, H. Lange-Bertalot & D. Metzeltin
- Navicula kossuthii Pantocsek image
- Navicula kotschyana 'Grunow' image
- Navicula kotschyana Grunow image
- Navicula kotschyi Grunow
- Navicula kotschyi f. hinganica Skvortzov image
- Navicula kotschyi f. undulata Hustedt image
- Navicula kotschyi var. asymmetrica Kisselev
- Navicula kotschyi var. hueckii W. Krieger
- Navicula kotschyi var. robusta Hustedt image