Index Nominum Algarum Image Index
618 CARD IMAGES
beginning with NAVICULA H
This index completed by R.Jahn/AlgaTerra-Project
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- Navicula h Karsten
- Navicula h-album ('h album') Cleve
- Navicula habena M.H. Hohn & Hellerman
- Navicula habita Hustedt
- Navicula hagelsteinii Hustedt
- Navicula hahni Petit
- Navicula hahnii var. stricta M. Peragallo
- Navicula halionata Pantocsek
- Navicula halionata var. directa Pantocsek
- Navicula halionata var. magna Hajós
- Navicula halionata var. minor Pantocsek
- Navicula halionata var. robusta (Pantocsek) Cleve
- Navicula halophila (Grunow) Cleve
- Navicula halophila var. areata Cholnoky
- Navicula halophila var. arvernensis_('arvernense') R. d'Aubert
- Navicula halophila var. brevis Skvortzov
- Navicula halophila var. convergens Proshkina-Lavrenko
- Navicula halophila var. eusebioi Héribaud
- Navicula halophila var. gallica Østrup
- Navicula halophila var. genuina Cleve-Euler
- Navicula halophila var. minuta R. d'Aubert
- Navicula halophila f. nabogoensis Foged
- Navicula halophila var. obscura R. d'Aubert
- Navicula halophila var. okamurae Skvortzov
- Navicula halophila var. reducta Husted
- Navicula halophila f. robusta Hustedt
- Navicula halophila var. rostrata Skvortzov
- Navicula halophila var. subcapitata Østrup
- Navicula halophila f. subcapitata (Østrup) [Hustedt]
- Navicula halophila var. szelidensis Szemes
- Navicula halophila f. tenuirostris Hustedt
- Navicula halophilioides Hustedt
- Navicula halophila var. major Héribaud
- Navicula hamulifera Grunow
- Navicula hamulifera var. interrupta Cleve
- Navicula hamulifera var. plicata Proshkina-Lavrenko
- Navicula hangchowensis Skvortzov
- Navicula hankae Skvortzov
- Navicula hansenii_('hanseni') M. Møller
- Navicula haradae_('Haradaae') Pantocsek
- Navicula hanseniana J.J. Lee & Reimer
- Navicula hantkenii Pantocsek
- Navicula harbinensis Skvortzov
- Navicula harderi Hustedt in Brendemühl
- Navicula hariola Cholnoky
- Navicula harpa Ehrenberg
- Navicula harrisoniana Cholnoky
- Navicula hartii Cholnoky
- Navicula hartzii Foged
- Navicula hassiaca Krasske
- Navicula hassiaca Krasske
- Navicula hasta Pantocsek
- Navicula hasta var. fossilis Skvortzov
- Navicula hasta var. punctata Boyer
- Navicula hasta var. gracilis Skvortzov
- Navicula hasta f. minor Skvortzov
- Navicula hastaeformis Cholnoky
- Navicula hastata Jurilj
- Navicula hauckii Cleve
- Navicula haueri Grunow
- Navicula haueri var. angustior Pantocsek
- Navicula hawaiiensis J.R. Johansen
- Navicula haynaldii Pantocsek
- Navicula haytiana Truan y Luard & Witt
- Navicula hazslinszkyi Pantocsek
- Navicula hebes Ralfs
- Navicula hebes f. bivittata Rabenhorst
- Navicula hecateia Cholnoky
- Navicula hedinii_('hedini') Hustedt
- Navicula heeri_('heerii') Pantocsek
- Navicula heilprinensis Foged
- Navicula heimansii van Dam & Kooyman
- Navicula heimii Manguin
- Navicula heimii var. citriformis Manguin
- Navicula helea Frenguelli
- Navicula helensis P. Schulz
- Navicula helensoides Archibald
- Navicula helmandensis Foged
- Navicula helminae Heiden
- Navicula helvetica J. Brun
- Navicula helvetica f. rostrata Hustedt
- Navicula hemiptera Kützing
- Navicula hemiptera var. angusta Héribaud
- Navicula hemiptera var. bielawskii Héribaud & M. Peragallo
- Navicula hemiptera var. gibba Héribaud
- Navicula hemiptera var. stauroneiformis (W. Smith) Lagerstedt
- Navicula hemiviridula M. Peragallo
- Navicula henckeli Skvortzov & Meyer
- Navicula hennedyella Hustedt
- Navicula hennedyi W. Smith
- Navicula hennedyi var. aemilia Forti
- Navicula hennedyi f. bacillifera (Pantocsek) Cleve
- Navicula hennedyi f. longesulcata Hustedt
- Navicula hennedyi f. minor Jurilj
- Navicula hennedyi var. brachypleura Forti
- Navicula hennedyi var. californica (Greville) Cleve
- Navicula hennedyi f. californica (Greville) Hustedt
- Navicula hennedyi var. caliginosa (Cleve & Grove) Cleve
- Navicula hennedyi var. caliginosa Cleve & Grove
- Navicula hennedyi var. centraster Cleve
- Navicula hennedyi var. circumsecta (Grunow) Cleve
- Navicula hennedyi f. subrostrata P. Schulz
- Navicula hennedyi var. controversa A.W.F. Schmidt
- Navicula hennedyi var. cuneata A.W.F. Schmidt
- Navicula hennedyi var. dentata Jurilj
- Navicula hennedyi var. difficilis (Pantocsek) Cleve
- Navicula hennedyi var. finitima Cleve
- Navicula hennedyi var. fossilis Pantocsek
- Navicula hennedyi f. major Heiden
- Navicula hennedyi var. granulata Grunow
- Navicula hennedyi f. couperi_('couperii') (Bailey) Hustedt
- Navicula hennedyi f. cuneata (A.Schmidt) Hustedt
- Navicula hennedyi f. granulata (Grunow) Hustedt
- Navicula hennedyi f. le-tourneurii (Pantocsek) Hustedt
- Navicula hennedyi f. undulata (Cleve) Hustedt
- Navicula hennedyi var. lumbricina Jurilj
- Navicula hennedyi var. luxuosa Cleve-Euler
- Navicula hennedyi var. manca A.W.F. Schmidt
- Navicula hennedyi var. maxima Cleve
- Navicula hennedyi var. minuta Cleve
- Navicula hennedyi var. neapolitana Cleve
- Navicula hennedyi var. nebulosa (Gregory) Cleve
- Navicula hennedyi var. nebulosa Jurilj
- Navicula hennedyi var. nicaensis H. Peragallo
- Navicula hennedyi var. schleinitzii (Janisch) Cleve
- Navicula hennedyi var. sordida Jurilj
- Navicula hennedyi var. subrostrata C. Mereschkowsky
- Navicula hennedyi var. tahitensis Cleve
- Navicula hennedyi var. tenuistriata Cleve
- Navicula hennedyi var. tigrina Jurilj
- Navicula hennedyi f. insulans Jurilj
- Navicula hennedyi f. maculans Jurilj
- Navicula hennedyi f. typica Hustedt
- Navicula hennedyi var. undulata Cleve
- Navicula hennedyi var. venustoides Mereschkowsky
- Navicula hennedyi var. vermicularis Jurilj
- Navicula hennedyi f. obesa Jurilj
- Navicula hennedyoides Hustedt
- Navicula henriquesii Zimmermann
- Navicula heribaudii_('Heribaudi') M. Peragallo
- Navicula heribaudii f. curta Skvortzov & Meyer
- Navicula heribaudii var. elongata Skvortzov & Meyer
- Navicula heroina A.W.F. Schmidt
- Navicula heteroflexa Pantocsek
- Navicula heteroflexa var. constricta Pantocsek
- Navicula heteroflexa var. minor Pantocsek
- Navicula heterostauron Germain
- Navicula heterostauron var. rostrata Germain
- Navicula heterostriata P. Fusey
- Navicula heterovalvata Simonsen
- Navicula heufleri Grunow
- Navicula heufleriana (Grunow) Cleve
- Navicula heufleriana var. minor J.W.G. Lund
- Navicula hevesensis Pantocsek
- Navicula hexagona Torka
- Navicula hexapla A.W.F. Schmidt
- Navicula hibernica O'Meara
- Navicula hibernica O'Meara
- Navicula hilarula Pantocsek
- Navicula hilliardii Manguin
- Navicula hilliardii var. pseudosiliculaoides (Foged) Foged
- Navicula hilseana Janisch
- Navicula hippocampus Ehrenberg
- Navicula hippocampus var. laevis Ehrenberg
- Navicula hippocampus var. striata (Corda) Ehrenberg
- Navicula hirudo Rabenhorst
- Navicula hitchcockii Ehrenberg
- Navicula hitchcockii var. intermedia Lauby
- Navicula hochstetteri Grunow
- Navicula hochstetteri var. patagonica Frenguelli
- Navicula hochstetteri var. placita (Grove & Sturt) Cleve
- Navicula hochstetteriana Grunow
- Navicula hodgeana Patrick & Freese
- Navicula hoefleri Cholnoky & Schindler
- Navicula hoffmannii Pantocsek
- Navicula hollandica Cholnoky
- Navicula hollerupensis Foged
- Navicula holmenii Foged
- Navicula holmiensis Cleve
- Navicula holstii Cleve
- Navicula holubyi Pantocsek
- Navicula homburgiana Hustedt
- Navicula hordeiformis Pantocsek
- Navicula hornigii Pantocsek
- Navicula hospes A.W.F. Schmidt
- Navicula howeana Hagelstein
- Navicula hudsonis Grunow ex Cleve
- Navicula huei Héribaud
- Navicula huei var. lata Lauby
- Navicula hugenottarum Cholnoky
- Navicula humerosa f. capensis Giffen
- Navicula humerosa var. constricta Cleve
- Navicula humerosa f. constricta (Cleve) Hustedt
- Navicula humerosa var. densestriata Cleve-Euler
- Navicula humerosa var. elongata Pantocsek
- Navicula humerosa Brébisson ex W. Smith
- Navicula humerosa var. fuchsii (Pantocsek) Cleve
- Navicula humerosa var. fuscata (Schumann) O'Meara
- Navicula humerosa var. lata Mölder
- Navicula humerosa f. minor Heiden
- Navicula humerosa var. quadrata (Gregory) O'Meara
- Navicula humilis Donkin
- Navicula humjibreensis Foged
- Navicula hummii Hustedt
- Navicula hungarica Grunow
- Navicula hungarica var. acuta Cleve-Euler
- Navicula hungarica var. arctica Patrick & Freese
- Navicula hungarica var. capitata (Ehrenberg) Cleve
- Navicula hungarica var. elegans (Østrup) Cleve-Euler
- Navicula hungarica var. genuina Mayer
- Navicula hungarica var. humilis (Donkin) Gutwinski
- Navicula hungarica var. intermedia Skabichevskij
- Navicula hungarica var. lanceolata Østrup
- Navicula hungarica var. lanceolata Skvortzov
- Navicula hungarica var. linearis Østrup
- Navicula hungarica var. luneburgensis Grunow
- Navicula hungarica f. elegans Østrup
- Navicula hungarica f. ovalis Frenguelli
- Navicula hungarica var. ovalis (Frenguelli) Frenguelli
- Navicula huniensis Foged
- Navicula hustedtiana Simonsen
- Navicula hustedtii Krasske
- Navicula hustedtii f. philippina Skvortzov
- Navicula hustedtii var. rhodesica Cholnoky
- Navicula ? hyalina (Ehrenberg) Kützing
- Navicula hyalina Donkin
- Navicula hyalina Hajós
- Navicula hyalina var. fossilis Pantocsek
- Navicula hyalina var. minima Bristol
- Navicula hyalinula De Toni
- Navicula hyalosira Cleve
- Navicula hyalosirella Hustedt
- Navicula hybrida M. Peragallo & Héribaud
- Navicula hyperborea Grunow
- Navicula hyrtlii Pantocsek
- Navicula hyrtlii var. linearis Østrup
- Navicula hyrtlii f. minor Østrup
- Navicula iasnitskii Skvortzov & Meyer
- Navicula iasnitskii var. obtusa Skvortzov & Meyer
- Navicula jasnitskii f. constricta (Skvortzov) Hustedt
- Navicula jasnitskii var. constricta Jasnitsky
- Navicula jasnitskii f. obtusa (Skvortzov & Meyer) Hustedt
- Navicula iberica Azpeitia
- Navicula icostauron (Ehrenberg) O'Meara
- Navicula icostauron Grunow
- Navicula icostauron var. conifera J. Brun & Héribaud
- Navicula ignobilis Pantocsek
- Navicula ignobilis Krasske
- Navicula ignorata Schimanski
- Navicula ignota Krasske
- Navicula ignota var. acceptata (Hustedt) Lange-Bertalot
- Navicula ignota var. anglica J.W.G. Lund
- Navicula ignota var. palustris (Hustedt) J.W.G. Lund
- Navicula ikarii var. nipponica Skvortzov
- Navicula illicita Manguin
- Navicula illinoensis Ehrenberg
- Navicula illustra var. antiqua Heiden
- Navicula illustra var. cuneata Heiden
- Navicula illustrioides Hustedt
- Navicula illustris Pantocsek
- Navicula illustris Krasske
- Navicula illustris var. neapolitana Hustedt
- Navicula ilopangoensis Hustedt
- Navicula imbecilla Cholnoky
- Navicula imbellis M.H. Hohn & Hellerman
- Navicula imbricata W. Bock
- Navicula imitans A. Mann
- Navicula impangenica Cholnoky
- Navicula impercepta Hustedt
- Navicula imperfecta Cleve
- Navicula imperfecta var. antarctica Heiden
- Navicula imperfecta var. lanceolata Heiden
- Navicula imperialis (Ehrenberg) Kützing
- Navicula impertila M.H. Hohn & Hellerman
- Navicula impexa Hustedt
- Navicula implana Hustedt
- Navicula impleta Cleve & Grove
- Navicula importuna Hustedt
- Navicula impossibilis Cholnoky
- Navicula impressa Grunow
- Navicula impressa Lagerstedt
- Navicula impressa Lagerstedt
- Navicula inaequalis Ehrenberg
- Navicula inaequalis Crouan fr.
- Navicula inaequalis Crouan fr.
- Navicula inaequilatera Lagerstedt
- Navicula inattingens R. Simonsen
- Navicula inaurata Hendey
- Navicula incerta Grunow
- Navicula incertata Lange-Bertalot
- Navicula incisa O'Meara
- Navicula incisa Meister
- Navicula inclementis Hendey
- Navicula inclinata Hustedt
- Navicula includens Pantocsek
- Navicula incoacta Hustedt
- Navicula incognita Krasske
- Navicula incognita var. capitata Hustedt
- Navicula incomitatus M.H. Hohn & Hellerman
- Navicula incomperta Lewis
- Navicula incomperta var. fossilis Pantocsek
- Navicula incomposita Hagelstein
- Navicula incomposita var. minor Hagelstein
- Navicula incompta Krasske
- Navicula incongruens Hendey
- Navicula inconspicua Gregory
- Navicula incudiformis Grunow
- Navicula inculta Pantocsek
- Navicula inculta Manguin
- Navicula incurva Gregory
- Navicula incurva Auerswald
- Navicula incurva var. minor Gutwinski
- Navicula incurvata Gregory
- Navicula incus Grunow
- Navicula incus var. abbreviata Grunow
- Navicula indefinita M. Peragallo
- Navicula indemnis M.H. Hohn & Hellerman
- Navicula index Tempère & Brun
- Navicula indianensis Reimer
- Navicula indica Ehrenberg
- Navicula indica Greville
- Navicula indifferens Hustedt
- Navicula indigens A. Mann
- Navicula inducens Cholnoky
- Navicula indulgens Simonsen
- Navicula inelegans Grove & Sturt
- Navicula inexacta A. Mann
- Navicula inexpectans J.R. Carter
- Navicula inexplorata Krasske
- Navicula infaceta Cholnoky
- Navicula infirma Grunow
- Navicula infirma Manguin
- Navicula infirmata Hustedt & Manguin
- Navicula infirmitata Giffen
- Navicula inflasa Rabenhorst
- Navicula inflata (Kützing) Kützing
- Navicula inflata Gandhi
- Navicula inflata var. rostrata D. McCall
- Navicula inflata var. striata Kützing
- Navicula inflexa (Gregory) Ralfs
- Navicula inflexa var. biharensis Pantocsek
- Navicula infrenis M.H. Hohn & Hellerman
- Navicula ingens A. Mann
- Navicula ingenua Hustedt
- Navicula ingoldii Foged
- Navicula ingrata Krasske
- Navicula ingrata f. capitata Krasske
- Navicula ingustata Cholnoky
- Navicula inhalata A.W.F. Schmidt
- Navicula inhalata var. biharensis Pantocsek
- Navicula inhalata var. lanceolata Cleve
- Navicula iniqua Krasske
- Navicula injusta Simonsen
- Navicula innommata Leuduger-Fortmorel
- Navicula inornata Grunow
- Navicula inpunctata Cholnoky
- Navicula inquisitor Cholnoky
- Navicula inscendens Pantocsek
- Navicula inscriptura Hendey
- Navicula insepta J.R. Carter & Denny
- Navicula insequens Hustedt
- Navicula inserata Hustedt
- Navicula inserata var. elliptica Cholnoky
- Navicula inserata var. undulata Hustedt
- Navicula inserata f. undulata (Hustedt) Hustedt
- Navicula inseriata Hajós
- Navicula insignificans Mann
- Navicula insignis Pantocsek
- Navicula insignita Hustedt
- Navicula insignita f. minor Manguin
- Navicula insignita var. rostrata Suxena
- Navicula insociabilis Krasske
- Navicula insociabilis var. dissipatoides Hustedt
- Navicula insociabilis var. lanceolata Skvortzov
- Navicula insolita Manguin
- Navicula insolubilis Cholnoky
- Navicula instabilis A.W.F. Schmidt
- Navicula insularis Ehrenberg
- Navicula insulsa Manguin
- Navicula insuta Manguin
- Navicula intacta Pantocsek
- Navicula integra (W. Smith) Ralfs
- Navicula integra var. conspicua Backman & Cleve-Euler
- Navicula integra var. conspicua A. Cleve-Euler
- Navicula integra var. elliptica Krasske
- Navicula integra var. gibba Pantocsek
- Navicula integra var. helvetica Limanowska
- Navicula integra var. truncata Hustedt
- Navicula integra var. truncata Hustedt
- Navicula intercedens A.W.F. Schmidt
- Navicula interglacialis Hustedt
- Navicula interlineata Grove & Sturt
- Navicula intermedia Lagerstedt
- Navicula intermedia var. antarctica M. Peragallo
- Navicula intermixta Hustedt
- Navicula interposita Lewis
- Navicula interrupta Kützing
- Navicula interrupta (Ehrenberg) Ehrenberg
- Navicula interrupta Hemprich & Ehrenberg
- Navicula interrupta (W. Smith) [A.W.F. Schmidt]
- Navicula interrupta f. bicapitata (Lagerstedt) Fritsch
- Navicula interrupta var. fossilis Pantocsek
- Navicula interrupta f. genuina Fritsch
- Navicula interrupta var. novae-seelandiae A.W.F. Schmidt
- Navicula interrupta f. pseudomesolepta Fritsch & Rich
- Navicula interrupta var. stauroneiformis Lauby
- Navicula interrupta f. sub-bicapitata Fritsch
- Navicula interrupta f. subcapitata (Gregory) Fritsch
- Navicula interrupta var. tallyana Grunow
- Navicula interrupta f. westii Fritsch
- Navicula interrupta var. zanzibarica Grunow
- Navicula interruptestriata Simonsen
- Navicula intractata Hustedt
- Navicula intricata Keraeva
- Navicula inutilis Krasske
- Navicula invenusta Mann
- Navicula inversa Ehrenberg
- Navicula investigata Heiden
- Navicula invicta Hustedt
- Navicula invisitata Heiden
- Navicula involata J.R. Carter & Denny
- Navicula involuta Mayer
- Navicula iota Cleve
- Navicula iranensis Hustedt
- Navicula irata Krasske
- Navicula iridis Ehrenberg
- Navicula iridis Manguin
- Navicula iridis var. affinis (Ehrenberg) O'Meara
- Navicula iridis var. amphigomphus (Ehrenberg) O'Meara
- Navicula iridis f. minor Frenguelli
- Navicula iridis f. angustata M. Peragallo & Héribaud
- Navicula iridis var. dubia Frenguelli
- Navicula iridis f. intermedia Dippel
- Navicula iridis f. media Dippel
- Navicula iridis f. minor Pero
- Navicula iridis var. minor (Pero) Pero
- Navicula iridis f. minor Dippel
- Navicula iridis var. reducta Manguin
- Navicula iridis var. subproducta Héribaud
- Navicula irregularis Pantocsek
- Navicula irreversa Cholnoky
- Navicula irritans Cholnoky
- Navicula irritans Simonsen
- Navicula irrorata Greville
- Navicula irrorata var. ceylanica Cleve
- Navicula irrorata var. elliptica Cleve
- Navicula irrorata var. fossilis Pantocsek
- Navicula irrorata var. lineata Heiden
- Navicula irrorata var. maculata Heiden
- Navicula irrorata var. mexicana Cleve
- Navicula irrorata f. mexicana (Cleve) Hustedt
- Navicula irrorata var. substauroneiformis (Grunow) Cleve
- Navicula irrorata f. typica Hustedt
- Navicula irroratoides Hustedt
- Navicula irroratoides f. elliptica Hustedt
- Navicula isertii Foged
- Navicula islandica Østrup
- Navicula isocephala (Ehrenberg) Kützing
- Navicula isostauron Ehrenberg
- Navicula isostauron (Ehrenberg) Pantocsek
- Navicula istriana (Grunow) Pantocsek
- Navicula iversenii Foged
- Navicula ivigtutensis Foged
- Navicula izsopallagae Heiden
- Navicula jaagi Meister
- Navicula jacksoni Schrader
- Navicula jacobii Manguin
- Navicula jacotiae Schoeman
- Navicula jaernefeltii Hustedt
- Navicula jaernefeltii Hustedt
- Navicula jaernefeltioides Ricard
- Navicula jakkalsica Cholnoky
- Navicula jakovljevicii_('jakovljevici') Hustedt
- Navicula jamaicensis Greville
- Navicula jamalinensis Cleve
- Navicula jamalinensis var. simiaevultus (Brun) Cleve
- Navicula jamalinensis var. schizostauron Cleve
- Navicula jamalinensis var. subcircularis Østrup
- Navicula janischii Castracane
- Navicula japonica Heiden
- Navicula jasnitskii --
- Navicula jatobensis Krasske
- Navicula jatobensis var. capitata Krasske
- Navicula javanensis Leuduger-Fortmorel
- Navicula javanica Grunow
- Navicula jeffreyae G.M. Hallegraeff & M.A. Burford
- Navicula jejuna A.W.F. Schmidt
- Navicula jejuna var. arctica Østrup
- Navicula jejunoides Van Heurck
- Navicula jejunoides f. longissima Van Heurck
- Navicula jelinekii_('jelineckii') Grunow
- Navicula jelinekiana Grunow
- Navicula jenneri_('jennerii') W. Smith
- Navicula jentzschii Grunow
- Navicula jentzschii var. elongata A. Cleve-Euler
- Navicula jentzschii f. major Cleve-Euler
- Navicula jentzschii f. minor Cleve-Euler
- Navicula jentzschii f. typica Cleve-Euler
- Navicula jequitinhonhae Zimmermann
- Navicula jessenii Foged
- Navicula jimboi Pantocsek
- Navicula jimboi var. cymbelloides Jousé
- Navicula jimboi var. ussuriensis Jousé
- Navicula jogensis Gandhi
- Navicula johanrossii Giffen
- Navicula johnsoniana Greville
- Navicula johnsonii (W.Smith) O´Meara
- Navicula johnsonii var. belgica Van Heurck
- Navicula jonssoni Østrup
- Navicula jordani Ehrenberg
- Navicula josephi Pantocsek
- Navicula joursacensis Héribaud
- Navicula jouseana Skvortzov
- Navicula jucunda Pantocsek
- Navicula jucunda Cleve-Euler
- Navicula jugata Cleve
- Navicula julieni Héribaud & J. Brun
- Navicula jungi Krasske
- Navicula jungi var. inflata Krasske
- Navicula jungii f. inflata (Krasske) Hustedt
- Navicula jurassensis P. Fusey
- Navicula jurgensii Kützing
- Navicula jurilji Hajós
- Navicula justa Hustedt
- Navicula juvens Ehrenberg
- Navicula kaapensis Cholnoky
- Navicula kaikonkiensis Woodhead & Tweed
- Navicula kaelfvensis Grunow
- Navicula kamorthensis Grunow
- Navicula kanemi Iltis
- Navicula kanitzii Pantocsek
- Navicula kantsiensis Giffen
- Navicula kappa Cleve
- Navicula karelica Cleve-Euler
- Navicula karelica var. baicalensis Skvortzov & Meyer
- Navicula kariana Grunow
- Navicula kariana Meunier
- Navicula kariana var. curta (Cleve) R. Ross
- Navicula kariana var. detersa Grunow
- Navicula kariana var. detersa Grunow
- Navicula kariana var. frigida (Grunow) Cleve
- Navicula kariana var. minor Grunow, inval.
- Navicula kariana f. curta Cleve
- Navicula kariana f. japonica Skvortzov
- Navicula karsia Hohn
- Navicula karstenii Pantocsek
- Navicula kawamurae Skvortzov
- Navicula keeleyi Patrick
- Navicula kefvingensis Ehrenberg
- Navicula kelleri Pantocsek
- Navicula kenon Skvortzov
- Navicula kenyae Cholnoky
- Navicula kepesii Grunow
- Navicula kerguelensis (Ehrenberg) Ralfs
- Navicula kerguelensis Castracane
- Navicula kerguelensis Heiden
- Navicula kerguelensis f. major Manguin
- Navicula kernensis Hanna
- Navicula kertschiana Pantocsek
- Navicula kincaidii Sovereign
- Navicula kinkeriana Pantocsek
- Navicula kinkeri_('kinkerii') Pantocsek
- Navicula kirchneriana Florin
- Navicula kisber M.H. Hohn & Hellerman
- Navicula kittoniana A.W.F. Schmidt
- Navicula kittoniana O'Meara
- Navicula kizakensis Skvortzov
- Navicula kjellmanii (Cleve) Cleve
- Navicula kjellmanii var. subconstricta (Grunow) Cleve
- Navicula kjellmanii f. subconstricta (Grunow) Hustedt
- Navicula klavsenii O\*/strup
- Navicula klavsenii var. turgida Cleve-Euler
- Navicula kleerekoperi Patrick
- Navicula knysnensis Cholnoky
- Navicula kochii (Ehrenberg) Kützing
- Navicula kochii Pantocsek
- Navicula koeiei Foged
- Navicula koenigii_('koenigi') Brockmann
- Navicula kolbei Meister
- Navicula kolentiensis Woodhead & Tweed
- Navicula kolugoensis Foged
- Navicula koniamboensis Manguin
- Navicula konstantini Skabichevskií
- Navicula kossuthii Pantocsek
- Navicula kotschyana 'Grunow'
- Navicula kotschyana Grunow
- Navicula kotschyi Grunow
- Navicula kotschyi f. hinganica Skvortzov
- Navicula kotschyi var. robusta Hustedt
- Navicula kotschyi var. rupestris Skvortzov
- Navicula kotschyi f. undulata Hustedt
- Navicula kovalchookiana Skvortzov
- Navicula kpongensis Foged
- Navicula kraeuselii Cholnoky
- Navicula krasskei Hustedt
- Navicula krasskei var. endolithica Krasske
- Navicula kriegeri Krasske
- Navicula krockii Grunow
- Navicula kryokonites Cleve
- Navicula kryokonites var. islandica Østrup
- Navicula kryokonites var. semiperfecta Cleve
- Navicula kryokonites [var.] semistriata (Østrup) Boyer
- Navicula kryokonites var. subprotracta Cleve
- Navicula kryokonites var. wankaremae Cleve
- Navicula kryokonites var. wankaremae Cleve
- Navicula kryophila Cleve
- Navicula kryophila var. gelida Cleve
- Navicula kuelbsii Lange-Bertalot
- Navicula kuetzingii Grunow
- Navicula kuntzei Reichelt
- Navicula kuolensis Cleve-Euler
- Navicula kuripanensis Hustedt
- Navicula kurzii Grunow in Cleve
- Nitzschia kuetzingiana Hilse {out of order}
- Navicula kuetzingiana H.L. Smith
- Navicula kuusamensis Cleve-Euler
- Navicula kuwaitiana Hendey
- Navicula kwamkuji Hustedt
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