Index Nominum Algarum Image Index
1110 CARD IMAGES
beginning with NEISSERIA Trevisan
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Processed by T. Rosatti
- NEISSERIA Trevisan
- NELCANELLA Vologdin & Drosdova
- Nelcanella radians Vologdin & Drosdova
- Nelcanella solaris Vologdin & Drosdova
- Nelcanella stellata Vologdin & Drosdova
- NELCHINOPSIS V. Wiggins
- Nelchinopsis kostromiensis (Vozzhennikova) V. Wiggins
- NELLIECARTERIA De Toni f.
- Nelliecarteria ramosa (Carter) De Toni f.
- NELSONIELLA Cookson & Eisenack
- Nelsoniella aceras Cookson & Eisenack
- Nelsoniella semireticulata Cookson & Eisenack
- Nelsoniella tuberculata Cookson & Eisenack
- NEMACOLA Massalongo
- Nemacola criniformis Massalongo
- NEMACYSTUS Derbès & Solier
- Nemacystus brandegeei (Setchell & Gardner) Kylin
- Nemacystus decipiens (Suringar) Kuckuck
- Nemacystus divaricatus (C. Agardh) Hygen
- Nemacystus erythraeus (J. Agardh) Sauvageau
- Nemacystus erythraeus var. hispanicus Sauvageau
- Nemacystus erythraeus var. indicus Y.S.D.M. de Jong
- Nemacystus flexuosus (C. Agardh) Kylin
- Nemacystus flexuosus var. giraudyi ('giraudii') (J. Agardh) Y.S.D.M. de Jong \{pcs\}
- Nemacystus hispanicus (Sauvageau) Kylin
- Nemacystus howei (Taylor) Kylin
- Nemacystus novae-zelandiae Kylin
- Nemacystus posidoniae (Meneghini) Hauck
- Nemacystus posidoniae f. intermedius ('intermedia') Schiffner
- Nemacystus ramulosus Derbès & Solier
- Nemacystus subsimplex Kylin
- NEMALION Targioni-Tozzetti mss.
- NEMALION Targioni-Tozzetti
- NEMALION Duby
- Nemalion adhaerens Crouan in litteris
- Nemalion adhaerens (Crouan frat.) Crouan frat.
- Nemalion amoenum (Pilger) Børgesen
- Nemalion andersonii Farlow
- Nemalion attenuatum J. Agardh
- Nemalion bertolonii (Moris & De Notaris) Meneghini
- Nemalion capillare (Hudson) Rabenhorst
- Nemalion cari-cariense Schnetter
- Nemalion clavatum Kützing
- Nemalion coccineum (Poiret) Kützing
- Nemalion comosum Meneghini
- Nemalion dalmaticum Kützing
- Nemalion divaricatum (C. Agardh) Chauvin
- Nemalion elminthoides (Velley) Batters
- Nemalion filicoides Kützing
- Nemalion furcellatum Reinbold
- Nemalion hudsonii ('hudsoni') (C. Agardh) Chauvin
- Nemalion insigne Harvey
- Nemalion japonicum Yendo & Narita
- Nemalion kaernbachii Grunow
- Nemalion liagoroides Crouan fr.
- Nemalion longicolle Børgesen
- Nemalion lubricum Duby
- Nemalion lubricum var. dichotomum Crouan frat.
- Nemalion multifidum (Weber & Mohr) Chauvin
- Nemalion multifidum f. crouanii Hamel
- Nemalion multifidum var. gracillimum Wollny
- Nemalion multifidum var. lubricum ('lubrica') (Duby) Van Heurck
- Nemalion multifidum subsp. monoicum Söderström
- Nemalion multifidum var. typicum ('typica') Van Heurck
- Nemalion natalense Hering
- Nemalion perpusillum Børgesen
- Nemalion pulvinatum Grunow
- Nemalion purpureum (Harvey) Chauvin
- Nemalion purpureum subsp. dalmaticum (Kützing)
- Nemalion ramosissimum Zanardini
- Nemalion ramosissimum Zanardini in herb. Sonder
- Nemalion ramulosum Harvey
- Nemalion schrammii (P. Crouan & H. Crouan) Břrgesen
- Nemalion tasmanicum Sonder
- Nemalion vermiculare Suringar
- Nemalion virens J. Agardh
- Nemalion virens J. Agardh
- NEMALIONITES Massalongo
- NEMALIONOPSIS Skuja
- Nemalionopsis shawii ('Shawi') Skuja
- Nemalionopsis shawii f. caroliniana R. V. Howard & Parker
- Nemalionopsis shawii f. tortuosa (Yagi & Yoneda) Yamada & Okada
- Nemalionopsis shawii f. tortuosa (Yagi & Yoneda) Yamada & Okada
- Nemalionopsis shawii f. tortuosa (Yagi & Yoneda) Yamada & Okada
- Nemalionopsis tortuosa Yoneda & Yagi
- Nemalionopsis tortuosa Yoneda & Yagi
- NEMALIOPSIS Ardissone \{also on card: Section of Halymenia\}
- NEMAPHYCUS Korde
- Nemaphycus antiquus Korde
- Nemaphycus brachiatus Vologdin
- NEMASTOMA Decaisne
- NEMASTOMA J. Agardh
- NEMASTOMA \{also on card: subgenera by J. Agardh\}
- NEMASTOMA \{also on card: subgenera or sections by J. Agardh\}
- Nemastoma attenuatum ('attenuata') Harvey
- Nemastoma bairdii Farlow
- Nemastoma californicum ('californica') Farlow
- Nemastoma canariense ('canariensis') (Kützing) Montagne
- Nemastoma caulescens J. Agardh
- Nemastoma caulescens J. Agardh
- Nemastoma coliforme ('coliformis') J. Agardh
- Nemastoma comosum ('comosa') Harvey
- Nemastoma confusum Kraft & John
- Nemastoma constrictum Ercegovic
- Nemastoma constrictum var. longitrichogynum_('longitrichogyna') Ercegovic
- Nemastoma cowdryi Howe
- Nemastoma cuneatum J. Agardh
- Nemastoma cyclocolpum (Montagne) Zanardini
- Nemastoma damicorne_('damaecornis') Harvey
- Nemastoma daviesii Harvey
- Nemastoma densum Harvey
- Nemastoma dichotomum J. Agardh
- Nemastoma discigenum J. Agardh
- Nemastoma dubyi (Chauvin) J. Agardh
- Nemastoma dumontioides J. Agardh
- Nemastoma endiviifolium ('endiviaefolium') Harvey
- Nemastoma feredayae Harvey
- Nemastoma feredayae var. proliferum Harvey
- Nemastoma fernandezianum Levring in litteris
- Nemastoma foliaceum ('foliacea') Yamada
- Nemastoma foliaceum ('foliacea') Levring \{pcs\}
- Nemastoma furcatum ('furcata') Meneghini
- Nemastoma gelatinosum Howe
- Nemastoma gelinarioides Harvey
- Nemastoma gelinarioides Harvey mscr. in J. Agardh
- Nemastoma inconspicuum ('inconspicua') Reinsch
- Nemastoma intestinale ('intestinalis') Harvey
- Nemastoma jardinii ('jardini') J. Agardh
- Nemastoma jardinii ('jardini') J. Agardh
- Nemastoma jardinii var. antillarum Crouan fr.
- Nemastoma laingii Kylin
- Nemastoma lanceolatum ('lanceolata') J. Agardh
- Nemastoma lancifolium ('lancifolia') Okamura
- Nemastoma lenormandianum ('lenormandiana') J. Agardh
- Nemastoma levringii T. Yoshida
- Nemastoma lividum ('livida') Harvey \{pcs\}
- Nemastoma marginatum ('marginata') (Montagne) J. Agardh
- Nemastoma marginiferum ('marginifera') J. Agardh \{pcs\}
- Nemastoma minus ('minor') J. Agardh
- Nemastoma minus ('minor') Zanardini
- Nemastoma multifidum ('multifida') (J. Agardh) J. Agardh
- Nemastoma nakamurae Yendo
- Nemastoma nakamurae var. membranaceum ('membranacea') Yendo
- Nemastoma oligarthrum ('oligarthra') (J. Agardh) Kylin
- Nemastoma palmatum ('Palmata') Harvey
- Nemastoma pinnatum ('pinnata') Hooker & Harvey
- Nemastoma proliferum ('prolifera') Harvey
- Nemastoma laciniatum ('laciniata') J. Agardh
- Nemastoma pulchrum ('pulchra') Baardseth \{pcs\}
- Nemastoma vermiculare ('vermicularis') J. Agardh
- NEMATOCAULIS Corsin
- NEMATOCHRYSIS Pascher
- NEMATOCHRYSIS Pascher
- Nematochrysis hieroglyphica Waern
- Nematochrysis pusilla Schussnig
- Nematochrysis roscoffensis Chadefaud
- Nematochrysis sessilis (Pascher) Pascher
- Nematochrysis sessilis (Pascher) Pascher
- Nematochrysis sessilis var. vectensis N. Carter
- NEMATOCHRYSOPSIS Chadefaud
- Nematochrysopsis roscoffensis Chadefaud
- Nematochrysopsis roscoffensis f. giganteus C. Billard
- NEMATOCOCCUS Kützing
- Nematococcus albidus Kützing
- Nematococcus botryoides "Kützing"
- Nematococcus viridis Kützing
- NEMATODINIUM Kofoid & Swezy
- Nematodinium armatum (Dogiel) Kofoid & Swezy
- Nematodinium atromaculatum Kofoid
- Nematodinium lebouriae J. Schiller
- Nematodinium partitum Kofoid & Swezy
- Nematodinium torpedo Kofoid & Swezy
- NEMATOLEION Christensen
- Nematolites dendroideum ('dendroidium') Keeping
- Nematolites edwardsii Keeping
- NEMATONOSTOC W. Nylander
- NEMATONOSTOC Nylander ex Elenkin
- Nematonostoc flagelliforme (Berk. & Curt.) Elenkin
- Nematonostoc flagelliforme (Bornet & Flahault) Elenkin
- Nematonostoc rhizomorphoides Nylander
- NEMATOPHLAEA J. Agardh
- Nematophlaea latifolia (Greville) J. Agardh
- NEMATOPHORA J. Agardh
- Nematophora australis J. Agardh
- NEMATOPHYCUS Carruthers
- Nematophycus hicksii Etheridge
- Nematophycus loganii ('logani') (J. W. Dawson) Carruthers
- Nematophycus storriei Barber
- NEMATOPHYTA 'Bory'
- NEMATOPHYTON J. Wm. Dawson
- Nematophyton crassum (J. W. Dawson) Penhallow
- Nematophyton hicksii (Etheridge) Penhallow
- Nematophyton laxum Penhallow
- Nematophyton laxum Penhallow
- Nematophyton loganii ('logani') (J. W. Dawson) J. W. Dawson
- Nematophyton ortonii ('ortoni') Penhallow
- Nematophyton taitii ('taiti') Kidston & Lang
- Nematophyton tenue (J. W. Dawson) Penhallow
- NEMATOPLACA Geitler
- Nematoplaca incrustans Geitler
- NEMATOPLATA Bory
- NEMATOPLATA Bory {cont.}
- Nematoplata arcuata (Lyngbye) Bory
- Nematoplata acuta (Schumann) Kuntze
- Nematoplata affinis (Grunow) Kuntze
- Nematoplata africana (Ehrenberg) Kuntze
- Nematoplata amphicephala (Ehrenberg) Kuntze
- Nematoplata amphiceros (Ehrenberg) Kuntze
- Nematoplata amphilepta (Ehrenberg) Kuntze
- Nematoplata amphioxys (Ehrenberg) Kuntze
- Nematoplata angusta (Ehrenberg) Kuntze
- Nematoplata angustata (Pantocsek) Kuntze
- Nematoplata antarctica (A. Schwarz) Kuntze
- Nematoplata archeri (O'Meara) Kuntze
- Nematoplata arctica (Grunow) Kuntze
- Nematoplata argentea Bory
- Nematoplata argentea Bory
- Nematoplata asiatica (Brun) Kuntze
- Nematoplata australis (Ehrenberg) Kuntze
- Nematoplata bacillum (Ehrenberg) Kuntze
- Nematoplata belgica (Grunow) Kuntze
- Nematoplata biceps (Ehrenberg) Kuntze
- Nematoplata bicuneata (Grunow) Kuntze
- Nematoplata bidens (Heiberg) Kuntze
- Nematoplata bilineata (Grunow & Cleve) Kuntze
- Nematoplata binodis (Rabenhorst) Kuntze
- Nematoplata birostris (Ehrenberg) Kuntze
- Nematoplata biseriata (Grunow) Kuntze
- Nematoplata bituminosa (Pantocsek) Kuntze
- Nematoplata boryana (Pantocsek) Kuntze
- Nematoplata brevis (Montagne) Kuntze
- Nematoplata brevistriata (Grunow) Kuntze
- Nematoplata bronchialis (Roth) Bory
- Nematoplata californica (Grunow) Kuntze
- Nematoplata capensis (Grunow) Kuntze
- Nematoplata castracanei (De Toni) Kuntze
- Nematoplata catena (Ehrenberg) Kuntze
- Nematoplata caudata Bory nom. nudum
- Nematoplata clevei Kuntze
- Nematoplata cocconeis (Ehrenberg) Kuntze
- Nematoplata construens (Ehrenberg) Kuntze
- Nematoplata cretae (Ehrenberg) Kuntze
- Nematoplata crotonensis (Kitton) Kuntze
- Nematoplata crux (Ehrenberg) Kuntze
- Nematoplata cuneata (Ehrenberg) Kuntze
- Nematoplata cylindrus (Grunow) Kuntze
- Nematoplata debyi (Pantocsek) Kuntze
- Nematoplata delicatula (Pantocsek) Kuntze
- Nematoplata dissita (Ehrenberg) Kuntze
- Nematoplata dubia (Grunow) Kuntze
- Nematoplata ehrenbergii Kuntze
- Nematoplata elliptica (Ehrenberg) Kuntze, .
- Nematoplata entomon (Ehrenberg) Kuntze
- Nematoplata eugramma (Ehrenberg) Kuntze
- Nematoplata eunotia (Ehrenberg) Kuntze
- Nematoplata exilis (Grunow) Kuntze
- Nematoplata fasciata (Ehrenberg) Kuntze
- Nematoplata fluminensis (Grunow) Kuntze
- Nematoplata foliacea (Ehrenberg) Kuntze
- Nematoplata fremontii (Ehrenberg) Kuntze
- Nematoplata frustulia (Ehrenberg) Kuntze
- Nematoplata fuchsii (Pantocsek) Kuntze
- Nematoplata fusus (Ehrenberg) Kuntze
- Nematoplata gangetica (Ehrenberg) Kuntze
- Nematoplata gemmifera (Ehrenberg) Kuntze
- Nematoplata gibba (Ehrenberg) Kuntze
- Nematoplata glabra (Ehrenberg) Kuntze
- Nematoplata granulata (Ehrenberg) Kuntze
- Nematoplata grunowii Kuntze
- Nematoplata harrisonii (W. Smith) Kuntze
- Nematoplata hauckii (Grunow) Kuntze
- Nematoplata himalayae (Ehrenberg) Kuntze
- Nematoplata hungarica (Pantocsek) Kuntze
- Nematoplata hyalina (Kützing) Kuntze
- Nematoplata indica (Ehrenberg) Kuntze
- Nematoplata inflexa (Ehrenberg) Kuntze
- Nematoplata ischaboensis (Grunow) Kuntze
- Nematoplata islandica (Grunow) Kuntze
- Nematoplata japonica (Castracane) Kuntze
- Nematoplata jutlandica Kuntze
- Nematoplata kavnensis (Pantocsek) Kuntze
- Nematoplata laevigata (Ehrenberg) Kuntze
- Nematoplata laevis (Ehrenberg) Kuntze
- Nematoplata lamella (Ehrenberg) Kuntze
- Nematoplata lanceolata (Ehrenberg) Kuntze
- Nematoplata lancettula (Schumann) Kuntze
- Nematoplata lapponica (Grunow) Kuntze
- Nematoplata legumen (Ehrenberg) Kuntze
- Nematoplata leptoceros (Ehrenberg) Kuntze
- Nematoplata linearis (Grunow) Kuntze
- Nematoplata lorenziana (Grunow) Kuntze
- Nematoplata lumen (Brun) Kuntze
- Nematoplata lusitanica (Rabenhorst) Kuntze
- Nematoplata maculata (Cleve) Kuntze
- Nematoplata mammalis (Castracane) Kuntze
- Nematoplata marina (Grunow) Kuntze
- Nematoplata maxima (O'Meara) Kuntze
- Nematoplata mediterranea (Grunow) Kuntze
- Nematoplata mesogongyla (Ehrenberg) Kuntze
- Nematoplata mesotyla_('mesostyla') (Ehrenberg) Kuntze \{pcs\}
- Nematoplata mexicana (Ehrenberg) Kuntze
- Nematoplata microcephala (Pantocsek) Kuntze
- Nematoplata minuta (Pantocsek) Kuntze
- Nematoplata minutissima (Grunow) Kuntze
- Nematoplata moluccensis (Ehrenberg) Kuntze
- Nematoplata mormonorum (Grunow) Kuntze
- Nematoplata morsiana (Grunow) Kuntze
- Nematoplata mutabilis (Grunow) Kuntze
- Nematoplata nana (Ehrenberg) Kuntze
- Nematoplata nankoorensis_('nankorensis') (Grunow) Kuntze \{pcs\}
- Nematoplata navicula (Ehrenberg) Kuntze
- Nematoplata newberryi (Ehrenberg) Kuntze
- Nematoplata nitida (Gregory) Kuntze
- Nematoplata nitzschioides_('nitzschiodes') (Grunow) Kuntze
- Nematoplata nodulosa (Ehrenberg) Kuntze
- Nematoplata northumbrica (Grunow) Kuntze
- Nematoplata oceanica (Cleve) Kuntze
- Nematoplata oregonica (Ehrenberg) Kuntze
- Nematoplata oxyptera (Ehrenberg) Kuntze
- Nematoplata oxyrhombus (Ehrenberg) Kuntze
- Nematoplata parasitica (W. Smith) Kuntze
- Nematoplata patagonica (Cleve) Kuntze
- Nematoplata pectinalis (Lyngbye) Kuntze
- Nematoplata pelagica (Ehrenberg) Kuntze
- Nematoplata petropolitana (Grunow) Kuntze
- Nematoplata pinnata (Ehrenberg) Kuntze
- Nematoplata pinnularia (Tempère & Brun) Kuntze
- Nematoplata pinnulata (Ehrenberg) Kuntze
- Nematoplata pliocena (Brun) Kuntze
- Nematoplata polyedra (Ehrenberg) Kuntze
- Nematoplata pomeroonii (Ehrenberg) Kuntze
- Nematoplata pretiosa (Ehrenberg) Kuntze
- Nematoplata producta (Lagerstedt) Kuntze
- Nematoplata punctata (Brightwell) Kuntze
- Nematoplata quarnerensis (Grunow) Kuntze
- Nematoplata raphoneis Kuntze
- Nematoplata rhomboides_('rhombodes') (Ehrenberg) Kuntze \{pcs\}
- Nematoplata rhombus (Ehrenberg) Kuntze
- Nematoplata richmondensis Kuntze
- Nematoplata rostrata (Ehrenberg) Kuntze
- Nematoplata rotundata (Ehrenberg) Kuntze
- Nematoplata scalaris (Ehrenberg) Kuntze
- Nematoplata schumannii Kuntze
- Nematoplata scutelloides_('scutellodes') (Grunow) Kuntze \{pcs\}
- Nematoplata seminuda (Ehrenberg) Kuntze
- Nematoplata seminulum (Ehrenberg) Kuntze
- Nematoplata setacea (Ehrenberg) Kuntze
- Nematoplata simbirskiana (Grunow & Pantocsek) Kuntze
- Nematoplata smithiana (Grunow) Kuntze
- Nematoplata smithii Kuntze
- Nematoplata speciosa (Brightwell) Kuntze
- Nematoplata stauroneidea (Schumann) Kuntze
- Nematoplata striata Kuntze
- Nematoplata striatula (Lyngbye) Kuntze
- Nematoplata stylidium (Ehrenberg) Kuntze
- Nematoplata stylus (Ehrenberg) Kuntze
- Nematoplata subquadrata Bory
- Nematoplata subtilissima (Pantocsek) Kuntze
- Nematoplata superba (Janisch) Kuntze
- Nematoplata synedra (Ehrenberg) Kuntze
- Nematoplata syriaca (Ehrenberg) Kuntze
- Nematoplata szakalensis (Pantocsek) Kuntze
- Nematoplata tabellaria (O'Meara) Kuntze
- Nematoplata taenia (Ehrenberg) Kuntze
- Nematoplata tenuicollis (Heiberg) Kuntze
- Nematoplata tessella (Ehrenberg) Kuntze
- Nematoplata thermalis (Ehrenberg) Kuntze
- Nematoplata trachea (Ehrenberg) Kuntze
- Nematoplata tricarinata (Ehrenberg) Kuntze
- Nematoplata trigongyla (Ehrenberg) Kuntze
- Nematoplata trinodis (Ehrenberg) Kuntze
- Nematoplata undulata (Ehrenberg) Kuntze
- Nematoplata ungeriana (Grunow) Kuntze
- Nematoplata venter (Ehrenberg) Kuntze
- Nematoplata ventralis (Ehrenberg) Kuntze
- Nematoplata ventricosa (Ehrenberg) Kuntze
- Nematoplata virescens (Ralfs) Kuntze
- Nematoplata virginica Kuntze
- Nematoplata vulgaris (Ehrenberg) Kuntze
- NEMATOPLEXUS A.G. Lyon
- Nematoplexus rhyniensis A. G. Lyon
- NEMATOPSIDES Greuet
- Nematopsides tentaculoides Greuet
- Nematopsides vigilans (Marshall) Greuet
- NEMATOPSIS Greuet
- NEMATORADAISIA Geitler
- Nematoradaisia gasteropodum González Guerrero
- Nematoradaisia laminariae (Setchell & Gardner) Geitler
- NEMATOSPHAEROPSIS Deflandre & Cookson
- NEMATOSPHAEROPSIS Deflandre & Cookson
- Nematosphaeropsis balcombiana Deflandre & Cookson
- Nematosphaeropsis densiradiata (Cookson & Eisenack) Stover & Evitt
- Nematosphaeropsis elegantula (Drugg) Stover & Williams
- Nematosphaeropsis labyrinthea (Ostenfeld) Reid
- Nematosphaeropsis lemniscata J.P. Bujak
- Nematosphaeropsis philippoti (Deflandre) De Coninck
- Nematosphaeropsis pusulosa (Morgenroth) Stover & Evitt
- Nematosphaeropsis singularis R.J. Davey
- Nematosphaeropsis velata Clarke & Verdier
- NEMATOXYLON J. W. Dawson
- Nematoxylon crassum J. W. Dawson
- Nematoxylon tenue J. W. Dawson
- NEMEGTICHARA Karczewska & Ziembinska-Tworzydlo
- Nemegtichara brevicylindrica G.D. Yang
- Nemegtichara brevis G.D. Yang
- Nemegtichara latiovalis X.G. Zhou
- Nemegtichara microcylindrica Zhen Wang
- Nemegtichara prima Karczewska & Ziembinska-Tworzydlo
- Nemegtichara quarta Karczewska & Ziembinska-Tworzydlo
- Nemegtichara sadleri (F. Unger) Zhen Wang
- Nemegtichara secunda Karczewska & Ziembinska-Tworzydlo
- Nemegtichara tertia Karczewska & Ziembinska-Tworzydlo
- NEMODERMA Schousboe
- Nemoderma tingitanum_('tingitana') Schousboe
- NEMOSTOMA {see Nemastoma}
- NEOABBOTTIELLA L.P. Perestenko
- Neoabbottiella araneosa (L. P. Perestenko) S. C. Lindstrom
- NEOADELIA Bompard
- NEOAGARDHIELLA Wynne & W. R. Taylor
- Neoagardhiella baileyi (Harvey ex Kützing) Wynne & W. R. Taylor
- Neoagardhiella coulteri (W. H. Harvey) P. C. Silva
- Neoagardhiella ramosissima (Harvey) Wynne & W. R. Taylor
- Neoagardhiella ramosissima var. dilatata (J. Agardh) Wynne & W. R. Taylor
- Neoagardhiella ramosissima var. harveyana (J. Agardh) Wynne & W. R. Taylor
- NEOANCHICODIUM R. Endo
- Neoanchicodium catenoides R. Endo
- NEOARDISSONIA Kylin
- Neoardissonia naccarioides (J. Agardh) Kylin
- NEOARESCHOUGIA Kylin
- Neoareschougia australis Kylin
- Neoareschougia ligulata (Harvey ex J. Agardh) Kylin invalid
- NEOBRUNIA Kuntze
- Neobrunia japonica (Tempère) Kuntze
- Neobrunia mirabilis (Brun) Kuntze
- NEOCALYPTRELLA D.U. Hernández-Becerril & M.E. Meave del Castillo
- Neocalyptrella robusta (Norman ex Ralfs) D.U. Hernández-Becerril & M.E. Meave del Castillo
- NEOCHARA Zhen Wang & Lin
- Neochara dangyangica Zhen Wang
- Neochara gaochunensis Zhen Wang & Lin
- Neochara huananensis Zhen Wang & Lin
- NEOCHIASTOZYGUS Perch-Nielsen
- Neochiastozygus cearae K. Perch-Nielsen
- Neochiastozygus chiastus (Bramlette & Sullivan) Perch-Nielsen
- Neochiastozygus concinnus (Martini) Perch-Nielsen
- Neochiastozygus denticulatus (Perch-Nielsen) Perch-Nielsen
- Neochiastozygus digitosus Perch-Nielsen
- Neochiastozygus distentus (Bramlette & Sullivan) Perch-Nielsen
- Neochiastozygus junctus (Bramlette & Sullivan) Perch-Nielsen
- Neochiastozygus modestus Perch-Nielsen
- Neochiastozygus perfectus Perch-Nielsen
- Neochiastozygus saepes Perch-Nielsen
- NEOCHLORIS Starr
- Neochloris alveolaris H.C. Bold
- Neochloris aquatica Starr
- Neochloris bilobata G. Vinatzer
- Neochloris cohaerens R.D. Groover & H.C. Bold
- Neochloris conjuncta Archibald
- Neochloris fusispora Arce nom. prov.
- Neochloris fusispora G. Arce & H.C. Bold
- Neochloris gelatinosa Herndon nom. prov.
- Neochloris gelatinosa Herndon
- Neochloris minuta Arce nom. prov.
- Neochloris minuta G. Arce & H.C. Bold
- Neochloris oleoabundans S. Chantanachat & H.C. Bold
- Neochloris pseudoalveolaris T. R. Deason & H. C. Bold
- Neochloris pseudostigmatica Bischoff & Bold
- Neochloris pyrenoidosa Arce nom. prov.
- Neochloris pyrenoidosa Arce & Bold
- Neochloris terrestris W. Herndon
- Neochloris texensis P. A. Archibald
- Neochloris vigenis Archibald
- Neochloris wimmeri (Hilse) Archibald & Bold invalid
- NEOCHLOROSARCINA S. Watanabe
- Neochlorosarcina auxotrophica (R.D. Groover & H.C. Bold) S. Watanabe
- Neochlorosarcina deficiens (R.D. Groover & H.C. Bold) S. Watanabe
- Neochlorosarcina minuta (R.D. Groover & H.C. Bold) S. Watanabe
- Neochlorosarcina negevensis (I. Friedmann & R. Ocampo-Paus) S. Watanabe
- Neochlorosarcina negevensis f. ferruginea (I. Friedmann & R. Ocampo-Paus) S. Watanabe
- Neochlorosarcina pseudominor (R.D. Groover & H.C. Bold) S. Watanabe
- Neochlorosarcina sempervirens (R.D. Groover & H.C. Bold) S. Watanabe
- NEOCHONDRITES Saporta
- NEOCOCCOLITHES Sujkowski
- Neococcolithes concinnus (Martini) Ramsay invalid
- Neococcolithes cruciatus Gardet n. cent.
- Neococcolithes distentus (Bramlette & Sullivan) Ramsay invalid
- Neococcolithes dubius (Deflandre) M. Black
- Neococcolithes geometricus (Gorka) N. Hoffmann
- Neococcolithes lososnensis Sujkowski
- Neococcolithes minutus (Perch-Nielsen) Perch-Nielsen
- Neococcolithes nudus Perch-Nielsen
- Neococcolithes pediculatus (Perch-Nielsen) Perch-Nielsen
- Neococcolithes protenus (Bramlette & Sullivan) M. Black
- Neococcolithes protenus (Bramlette & Sullivan) Hay & Mohler
- Neococcolithes pyramidus (Perch-Nielsen) Perch-Nielsen
- NEOCONTARINIA 0. Kuntze
- NEOCREPIDOLITHUS A.J.T. Romein
- Neocrepidolithus watkinsii J.J. Pospichal & S.W. Wise, Jr.
- NEOCYSTIS Hindák
- Neocystis diplococca (Hindák) Hindák
- Neocystis lacustris (Chodat) Hindák
- Neocystis ovalis (Korshikov) Hindák
- Neocystis subcylindrica (Korshikov) Hindák
- Neocystis subglobosa (Pascher) Hindák
- NEODASYPORELLA R. Endo
- Neodasyporella innerannulata R. Endo
- Neodelphineis indica (F.J.R. Taylor) Y. Tanimura
- Scanning error
- NEODENTICULA F. Akiba & Y. Yanagisawa
- Neodenticula kamtschatica (M.M. Zabelina) F. Akiba & Y. Yanagisawa
- Neodenticula koizumii F. Akiba & Y. Yanagisawa
- Neodenticula seminae (R. Simonsen & T. Kanaya) F. Akiba & Y. Yanagisawa
- NEODESMUS Hindák
- Neodesmus danubialis Hindák
- NEODIATOMA Kanitz
- Neodiatoma anceps (Ehrenberg) Kuntze
- Neodiatoma elongata_('elongatum') (Lyngbye) Kuntze
- Neodiatoma exigua_('exiguum') (Grunow) Kuntze
- Neodiatoma hyemalis_('hiemale') (Roth) Kuntze \{pcs\}
- Neodiatoma obtusa_('obtusum') (Kützing) Kuntze
- Neodiatoma rhombica_('rhombicum') (O'Meara) Kuntze
- Neodiatoma vulgaris (Bory de Saint-Vincent) Kuntze
- NEODILSEA Tokida
- Neodilsea americana I. A. Abbott
- Neodilsea araneosa (L. P. Perestenko) I. A. Abbott
- Neodilsea borealis (I. A. Abbott) S. C. Lindstrom
- Neodilsea crispata M. Masuda
- Neodilsea integra (Kjellman) A. Zinova
- Neodilsea integra var. longissima M. Masuda
- Neodilsea longissima (M. Masuda) S. C. Lindstrom
- Neodilsea natashae Lindstrom
- Neodilsea tenuipes Yamada & Mikami
- Neodilsea yendoana Tokida
- NEOFRAGILARIA T.V. Desikachary, A.K.S.K. Prasad & P. Prema
- Neofragilaria nicobarica Desikachary, Prasad, & Prema
- NEOFRAGILARIA Williams & Round
- Neofragilaria constricta (Ehrenberg) Williams & Round
- Neofragilaria lata (Cleve-Euler) Williams & Round
- Neofragilaria strangulata (Zanon) Williams & Round
- Neofragilaria virescens (Ralfs) Williams & Round
- NEOGONIOLITHON Setchell & Mason
- Neogoniolithon absimile (Foslie & Howe) Cabioch invalid
- Neogoniolithon acanthinum (Foslie) Adey
- Neogoniolithon accretum (Foslie & Howe) Setchell & Mason
- Neogoniolithon acropetum (Foslie & Howe) Adey
- Neogoniolithon affine (Foslie & Howe) Setchell & Mason
- Neogoniolithon assitum (Foslie) Setchell & Mason
- Neogoniolithon caribaeum (Foslie) Adey
- Neogoniolithon ceylonense (Foslie) Adey
- Neogoniolithon clavacymosum Adey, Townsend, & Boykins
- Neogoniolithon conicum (Dawson) Gordon, Masaki, & Akioka
- Neogoniolithon crassifructum Krishnamurthy & Jayagopal
- Neogoniolithon desikacharyi Krishnamurthy & Jayagopal
- Neogoniolithon dispalatum (Foslie & Howe) Adey
- Neogoniolithon erosum (Foslie) Adey
- Neogoniolithon finitimum (Foslie) Setchell & Mason
- Neogoniolithon fosliei (Heydrich) Setchell & Mason
- Neogoniolithon frutescens (Foslie) Setchell & Mason
- Neogoniolithon brassica-florida (Harvey) Setchell & Mason
- Neogoniolithon frutescens f. flabelliforme ('flabelliformis') (Foslie) R. K. S. Lee
- Neogoniolithon frutescens var. galapagense (Foslie) P. C. Silva
- Neogoniolithon frutescens f. subtile ('subtilis') (Foslie) Me. Lemoine
- Neogoniolithon ganesanii ('ganesani') Krishnamurthy & Jayagopal
- Neogoniolithon hariotii (Foslie) Setchell & Mason
- Neogoniolithon imbricatum Adey
- Neogoniolithon krusadiense V. Krishnamurthy & K. Jayagopal
- Neogoniolithon krusadii V. Krishnamurthy & K. Jayagopal
- Neogoniolithon laccadivicum (Foslie) Setchell & Mason
- Neogoniolithon mamillosum (Hauck) Setchell & Mason
- Neogoniolithon mamillare (Harvey) Setchell & Mason
- Neogoniolithon martellii (Sams.) Setchell & Mason
- Neogoniolithon megacarpum Adey
- Neogoniolithon megalocystum (Foslie) Setchell & Mason
- Neogoniolithon misakiense (Foslie) Setchell & Mason
- Neogoniolithon munitum (Foslie & M. Howe) Adey
- Neogoniolithon myriocarpum f. confragosum ('confragosa') (Foslie) Me. Lemoine
- Neogoniolithon notarisii (Dufour) Me. Lemoine
- Neogoniolithon notarisii f. chalonii (Heydrich) Me. Lemoine
- Neogoniolithon notarisii f. ptychoides (Foslie) Me. Lemoine
- Neogoniolithon oblimans (Heydrich) P.C. Silva
- Neogoniolithon orotavicum (Foslie) Me. Lemoine
- Neogoniolithon orthoblastum (Heydrich) Setchell & Mason
- Neogoniolithon pacificum (Foslie) Setchell & Mason
- Neogoniolithon palkense ('palkensis') V. Krishnamurthy & K. Jayagopal
- Neogoniolithon propinquum (Foslie) Me. Lemoine
- Neogoniolithon propinquum f. imbicillum ('imbicilla') (Foslie) Me. Lemoine
- Neogoniolithon pudumadamense ('pudumadamensis') V. Krishnamurthy & K. Jayagopal
- Neogoniolithon raripunctatum Mastrorilli
- Neogoniolithon rhizophorae (Foslie & Howe) Setchell & Mason
- Neogoniolithon rufum Adey, Townsend, & Boykins
- Neogoniolithon rugulosum Adey, Townsend, & Boykins
- Neogoniolithon scabridum (Foslie) Me. Lemoine
- Neogoniolithon setchellii (Foslie) Adey
- Neogoniolithon solubile (Foslie & Howe) Setchell & Mason
- Neogoniolithon spectabile (Foslie) Setchell & Mason
- Neogoniolithon strictum (Foslie) Setchell & Mason
- Neogoniolithon tenuicrustaceum Y. Iryu & S. Matsuda
- Neogoniolithon tiruchendurense ('tiruchendurensis') V. Krishnamurthy & K. Jayagopal
- Neogoniolithon trichotomum (Heydrich) Setchell & Mason
- Neogoniolithon variabile Zhang Derui & Zhou Jinhua
- Neogoniolithon verrucosum (Foslie) Adey
- Neogoniolithon westindianum Adey
- NEOGRAYA Kuntze
- Neograya argonauta (Grove & Brun) Kuntze
- NEOGYROPORELLA Yabe & Toyama
- Neogyroporella elegans Yabe & Toyama
- NEOHALOSACCIOCOLAX I. K. Lee & Kurogi
- Neohalosacciocolax aleuticus_('aleutica') I.K. Lee & Kurogi
- NEOHAPLOSPORA Kuntze
- Neohaplospora globosa (Kjellman) Kuntze
- Neohaplospora vidovichii (Meneghini) Kuntze
- NEOHOLMESIA Mikami
- Neoholmesia japonica (Okamura) Mikami
- Neogoniolithon versabile (Foslie) Setchell & Mason
- Neoholmesia natalensis Wynne
- Neoholmesia neurymenioides (Okamura) Wynne
- Neoholmesia triangulata (A. Zinova) A. Zinova
- NEOHUTTONIA Kuntze
- Neohuttonia alternans (E. Grove & Sturt) Kuntze
- Neohuttonia labuani (Cleve) Kuntze
- Neohuttonia reichardtii (Grunow) Kuntze
- Neohuttonia virgata (E. Grove & Sturt) Kuntze
- NEOHYPOPHYLLUM Wynne
- Neohypophyllum middendorffii (Ruprecht) Wynne
- NEOMACROPORELLA U. Crescenti
- NEOMARTENSIA T. Yoshida & H. Mikami
- Neomartensia flabelliformis (Harvey ex J. Agardh) T. Yoshida & H. Mikami
- NEOMERIS Lamouroux
- NEOMERIS \{also on card: sections by Steinmann\}
- NEOMERIS \{also on card: sections by L. Morellet & J. Morellet\}
- NEOMERIS \{also on card: subgenus Drimella Radoicic\}
- Neomeris alternans L. Morellet & J. Morellet
- Neomeris ambigua L. Morellet & J. Morellet
- Neomeris annulata G. Dickie
- Neomeris annulata f. protecta Børgesen
- Neomeris arenularia Munier-Chalmas
- Neomeris bilimbata Koster
- Neomeris biscutata (Gümbel) L. Morellet & J. Morellet
- Neomeris bowdenensis Rácz
- Neomeris budaensis ('budaense') Johnson
- Neomeris capitata Harvey
- Neomeris capitata Harvey ex Wright
- Neomeris cokeri M.A. Howe
- Neomeris courtyi L. Morellet & J. Morellet
- Neomeris cretacea Steinmann
- Neomeris cretacea var. ondulata Raineri
- Neomeris drimi Radoicic
- Neomeris dumetosa Lamouroux
- Neomeris eruca (Parker & Jones) Farlow mscr.
- Neomeris fragilis (Defrance) L. Morellet & J. Morellet
- Neomeris herouvalensis Munier-Chalmas ex Steinman
- Neomeris ignota L. Morellet & J. Morellet
- Neomeris jerinae Radoicic
- Neomeris kelleri Cramer
- Neomeris mucosa Howe
- Neomeris nitida Harvey
- Neomeris oligospora L. Morellet & J. Morellet
- Neomeris pfenderae Konishi & Epis
- Neomeris pseudoeruca ('pseudo-eruca') Munier-Chalmas ex L. Morellet & J. Morellet mss
- Neomeris pustulosa L. Morellet & J. Morellet
- Neomeris radiata Munier-Chalmas ex L. Morellet & J. Morellet
- Neomeris scrobiculata (Gümbel) L. Morellet & J. Morellet
- Neomeris scrobiculata f. biscutata (Gümbel) L. Morellet & J. Morellet
- Neomeris sphaerica Zanardini
- Neomeris stipitata Howe
- Neomeris van-bosseae ('van Bosseae') Howe
- Neomeris venezuelensis Weisbord
- NEOMIZZIA J. Lévy
- Neomizzia elongata J. Lévy
- NEOMONAS Penso
- Neomonas vivax Penso
- NEOMONOSPORA Setchell & Gardner
- Neomonospora arachnoidea (Harvey) G. Feldmann-Mazoyer & R. Meslin
- Neomonospora arachnoidea (W. H. Harvey) May
- Neomonospora australis (Harvey) G. Feldmann-Mazoyer & R. Meslin
- Neomonospora australis (W. H. Harvey) May
- Neomonospora elongata (Harvey) Womersley
- Neomonospora flabelligera (W. H. Harvey) May
- Neomonospora furcellata (J. Agardh) G. Feldmann-Mazoyer & R. Meslin
- Neomonospora gracilis (W. H. Harvey) May
- Neomonospora griffithsioides (Sonder) Womersley
- Neomonospora licmophora (Harvey) Womersley
- Neomonospora multiramosa Setchell & Gardner
- Neomonospora pedicellata (Smith) G. Feldmann-Mazoyer & R. Meslin
- Neomonospora pedicellata var. comosa (Holmes & Batters) J. Feldmann
- Neomonospora pedicellata var. tenuis Feldmann-Mazoyer
- Neomonospora sericata Segawa
- Neomonospora yagii (Okamura) Yamada
- NEONAVICULOPSIS S. Locker & E. Martini
- Neonaviculopsis danica (K. Perch-Nielsen) T.V. Desikachary & P. Prema
- Neonaviculopsis eobiapiculata (D. Bukry) T.V. Desikachary & P. Prema
- Neonaviculopsis lata (Deflandre) T. V. Desikachary & S. Gowthaman
- Neonaviculopsis lata var. obliqua (D. Bukry) T.V. Desikachary & P. Prema
- Neonaviculopsis neonautica (D. Bukry) S. Locker & E. Martini
- Neonaviculopsis neonautica var. cocosensis (D. Bukry) P. Prema & T. V. Desikachary
- Neonaviculopsis neonautica subsp. praenautica S. Locker & E. Martini
- Neonaviculopsis punctilia (K. Perch-Nielsen) T.V. Desikachary & P. Prema
- Neonaviculopsis robusta (Deflandre) T. V. Desikachary & S. Gowthaman
- Neonaviculopsis spinosa (D. Bukry) P. Prema & T.V. Desikachary
- NEONEMA Pascher
- NEONEMA Pascher
- Neonema pumilum (W. West & G. S. West) Pascher
- Neonema quadratum Pascher
- Neonema quadratum Pascher
- NEOPHORMIDIUM P.K. Misra & P.K. Maithy
- Neophormidium indicum P.K. Misra & P.K. Maithy
- NEOPLATYLOBIUM O.C. Schmidt
- Neoplatylobium mertensii (Kützing) O.C. Schmidt
- NEOPOLYPOROLITHON Adey & Johansen
- NEOPOLYPOROLITHON Adey & Johansen
- Neopolyporolithon reclinatum (Foslie) Adey & Johansen
- NEOPTILOTA Kylin
- Neoptilota asplenioides (Esper) Kylin
- Neoptilota californica (Ruprecht ex Harvey) Kylin
- Neoptilota densa (C. Agardh) Kylin
- Neoptilota hypnoides (Harvey) Kylin
- NEORHODOMELA Masuda
- Neorhodomela aculeata (Perestenko) Masuda
- Neorhodomela irtugoi Perestenko
- Neorhodomela larix (Turner) Masuda
- Neorhodomela larix subsp. aculeata (Perestenko) Perestenko
- Neorhodomela munita (Perestenko) Masuda
- Neorhodomela oregona (Doty) Masuda
- Neorhodomela sachalinensis (Masuda) Perestenko
- Neorhodomela teres (Perestenko) Perestenko
- Neosolenopora armoricana Elliott
- NEOSPHAERA Lecal-Schlauder
- Neosphaera coccolithomorpha Lecal-Schlauder
- Neosphaera coccolithomorpha var. nishidae A. Kleijne
- Neosphaera coccolithomorpha var. striata Bernard & Lecal
- NEOSPHAEROCHLORIS F. Hindák
- Neosphaerochloris asymmetrica (F. Hindák) F. Hindák
- NEOSPONGIOCOCCUM Deason
- NEOSPONGIOCOCCUM Deason
- Neospongiococcum alabamense (Deason) Deason
- Neospongiococcum alabamense (Deason) Deason
- Neospongiococcum bisporum Deason
- Neospongiococcum butyrosum Deason & Cox
- Neospongiococcum cohaerens Deason
- Neospongiococcum commatiforme Deason
- Neospongiococcum concentricum (Anderson & Nichols) Deason
- Neospongiococcum excentricum (Deason & Bold) Deason & Cox
- Neospongiococcum gelatinosum (Archibald & Bold) Ettl & Gärtner
- Neospongiococcum giganticum Deason
- Neospongiococcum granatum Deason
- Neospongiococcum irregulare Deason
- Neospongiococcum longisporum Deason
- Neospongiococcum macropyrenoidosum Deason & Cox
- Neospongiococcum mahleri Deason
- Neospongiococcum mobile Deason & Cox
- Neospongiococcum multinucleatum (Deason & Bold) Deason
- Neospongiococcum ovatum Deason
- Neospongiococcum perforatum Deason & Cox
- Neospongiococcum polymorphum (Anderson & Nichols) Deason
- Neospongiococcum proliferum Deason
- Neospongiococcum punctatum (Acre & Bold) Deason
- Neospongiococcum rugosum Deason
- Neospongiococcum saccatum Deason
- Neospongiococcum solitarium Deason
- Neospongiococcum sphericum Deason
- Neospongiococcum vacuolatam Deason & Cox
- Neospongiococcum variabile Deason
- NEOSPONGIOSTROMA R. Endo
- Neospongiostroma tosensis R. Endo
- NEOSTREPTOTHECA von Stosch
- Neostreptotheca subindica von Stosch
- Neostreptotheca torta von Stosch
- Neostreptotheca torta f. triangularis von Stosch
- NEOSTREPTOTHEKA Simonsen
- NEOSYNEDRA D. Williams & Round
- Neosynedra provincialis (Grunow) D. Williams & Round
- Neosynedra tortosa (Grunow) D. Williams & Round
- NEOVERYRHACHIUM F. Cramer
- Neoveryhachium carminae (F. Cramer) F. Cramer
- NEOZYGNEMA Yamagishi
- Neozygnema laevisporum (Jao) Yamagishi
- NEPHELOSTROMA L. Dangeard & F. Doré
- NEPHRIDIUM W. B. Turner \{also on card: suggenus of Cosmarium\}
- NEPHROCHLAMYS Korshikov
- Nephrochlamys allanthoidea Korshikov
- Nephrochlamys danica Komárek
- Nephrochlamys javorkae (Hortobágyi) Fott
- Nephrochlamys rostrata G. Nygaard, J. Komárek, J. Kristiansen, & O. M. Skulberg
- Nephrochlamys rotunda Korshikov
- Nephrochlamys subsolitaria (West) Korshikov
- Nephrochlamys willeana (Printz) Korshikov
- NEPHROCHLORIS Geitler & Gimesi
- Nephrochloris incerta Geitler & Gimesi
- Nephrochloris lotharingica Bourrelly
- Nephrochloris nudum Valkanov
- Nephrochloris salina N. Carter
- Nephrochloris salina var. pontica Rouchijainen
- Nephrochloris salina f. crimica Roukhiyajnen [Roukhiyajnen]
- NEPHROCOCCUS Y. Y. Li
- Nephrococcus confertus Y. Y. Li
- Nephrocytium agardhianum var. hydrophilum (W. Turner) Ergashev tech. invalid
- NEPHROCYTIUM Nägeli
- Nephrocytium agardhianum var. majus Nägeli
- Nephrocytium agardhianum var. minus Nägeli
- Nephrocytium agardhianum var. minus W. B. Turner
- Nephrocytium agardhianum var. szolnokiense Uherkovich
- Nephrocytium allantoideum Bohlin
- Nephrocytium closterioides Bohlin
- Nephrocytium ecdysiscepanum W. West & G. S. West
- Nephrocytium ecdysiscepanum f. majus ('major') Jao
- Nephrocytium ecdysiscepanum f. minus ('minor') Hortobágyi
- Nephrocytium limneticum (G. M. Smith) G. M. Smith
- Nephrocytium lunatum W. West
- Nephrocytium lunatum var. schilleri Kammerer
- Nephrocytium minus (Nägeli) Archer
- Nephrocytium naegelii Grunow in litt.
- Nephrocytium obesum West & West
- Nephrocytium obesum var. symmetricum ('symmetrica') Printz
- Nephrocytium perseverans Printz
- Nephrocytium rehmanii (Woloszynska) Fott
- Nephrocytium schilleri (Kammerer) Comas González
- Nephrocytium spirale Beck-Mannagetta
- Nephrocytium varium Hortobágyi
- Nephrocytium ecdysiscepanum f. minus ('minor') Jao
- Nephrocytium willeanum Printz
- NEPHRODIELLA Pascher
- Nephrodiella acuta Pascher
- Nephrodiella brevis Vischer
- Nephrodiella lunaris Pascher
- Nephrodiella minor Pascher
- Nephrodiella nana Ettl
- Nephrodiella phaseolus Pascher
- Nephrodiella semilunaris Pascher
- Nephrodiella tingitana Gayral & Mazancourt
- NEPHRODINIUM Meunier
- Nephrodinium attenuatum Cleve-Euler
- Nephrodinium karianum Meunier
- Nephrodinium nivale Meunier
- NEPHROLITHUS Górka
- Nephrolithus barbarae Górka
- Nephrolithus brevis Lyul'eva
- Nephrolithus frequens Górka
- Nephrolithus frequens var. miniporus (P. Reinhardt & H. Górka) J.J. Pospichal & S.W. Wise, Jr.
- Nephrolithus furcatus Górka
- Nephrolithus gorkae Aberg
- Nephrolithus miniporus P. Reinhardt & H. Górka
- Nephrolithus multicavatus Lyul'eva
- Nephrolithus trientis Górka
- NEPHROMONAS M. Droop
- Nephromonas hyalina Droop
- NEPHRONEIS M.C. Amspoker
- Nephroneis macintirei M.C. Amspoker
- NEPHROSELMIS Stein
- Nephroselmis angulata (Korshikov) Skuja
- Nephroselmis astigmatica Inouye & Pienaar
- Nephroselmis discoidea Skuja
- Nephroselmis discoidea f. astigmata Preisig invalid
- Nephroselmis fissa (Lackey) Inouye & Pienaar
- Nephroselmis gilva Parke & Rayns
- Nephroselmis longifilis (Butcher) R.E. Norris
- Nephroselmis marina Schiller
- Nephroselmis minuta (N. Carter) Butcher
- Nephroselmis minuta (N. Carter) Huber-Pestalozzi
- Nephroselmis olivacea Stein
- Nephroselmis pyriformis (N. Carter) Ettl
- Nephroselmis pyriformis (N. Carter) Moestrup
- Nephroselmis rotunda (N. Carter) Fott
- Nephroselmis violacea Kufferath
- NEPLECTOS Targioni-Tozzetti
- NEREIA Zanardini
- NEREIA Zanardini
- Nereia australis (Harvey) Harvey
- Nereia filiformis (J. Agardh) Zanardini
- Nereia filiformis (J. Agardh) Zanardini
- Nereia filiformis Zanardini in sched.
- Nereia intricata Yamada
- Nereia lophocladia J. Agardh ms
- Nereia lophocladia J. Agardh
- Nereia montagnei Derb. & Sol.
- Nereia tropica (Taylor) Taylor
- NEREIDEA Stackhouse
- NEREIDEA Stackhouse
- NEREIDEA Ruprecht \{also on card: Subgenus of Ciliaria\}
- NEREIDEA J. Agardh \{also on card: section or Subgenus of Euthora\}
- Nereidea abnormis (J. Hooker & Harvey) Kuntze
- Nereidea angusta (J. Agardh) Kuntze
- Nereidea angustata (J. Hooker ex Kützing) Kuntze
- Nereidea australis (J. Agardh) Kuntze
- Nereidea botryoides ('botryodes') (Kützing) Kuntze
- Nereidea brachiocarpa (Kützing) Kuntze
- Nereidea brasiliensis (Greville) Kuntze
- Nereidea coccinea (Hudson) Stackhouse
- Nereidea concinna (J. Areschoug) Kuntze
- Nereidea corallorhiza (Turner) Kuntze
- Nereidea cornea (Hudson) Stackhouse
- Nereidea cornuta (Turner) Kuntze
- Nereidea costata (C. Agardh) Kuntze
- Nereidea cristata (Turner) Ruprecht
- Nereidea cristata var. angustata (Lyngbye) Ruprecht
- Nereidea crucifera (Harvey) Kuntze
- Nereidea dilatata (J. Agardh) Kuntze
- Nereidea disperma (Harvey) Kuntze
- Nereidea fabriciana (Lyngbye) Ruprecht
- Nereidea filicina (Hudson) Stackhouse
- Nereidea flexuosa (J. Hooker & Harvey) Kuntze
- Nereidea fruticulosa Ruprecht
- Nereidea glomerata (J. Agardh) Kuntze
- Nereidea hamata (J. Agardh) Kuntze
- Nereidea hookeri (Harvey) Kuntze
- Nereidea intermedia Ruprecht
- Nereidea membranacea (Suhr) Kuntze
- Nereidea mertensii (Greville) Kuntze
- Nereidea nidifica (Harvey) Kuntze
- Nereidea patens (Martens) Kuntze
- Nereidea plocamium (Gmelin) Stackhouse
- Nereidea procera (C. Agardh) Kuntze
- Nereidea preissiana (Sonder) Kuntze
- Nereidea rigida (Bory de Saint-Vincent) Kuntze
- Nereidea suhrii (Kützing) Kuntze
- Nereidea telfairiae (Harvey) Kuntze
- Nereidea uniformis (Good. & Woodw.) Stackhouse
- NEREOCYSTIS Postels & Ruprecht
- Nereocystis gigantea J. E. Areschoug
- Nereocystis luetkeana ('Lütkeana') (Mertens f.) Postels & Ruprecht
- Nereocystis priapus (Gmelin) Saunders
- NEREODICTYON Gerloff
- Nereodictyon imitans Gerloff
- NEREOGINKGO Kylin
- Nereoginkgo adiantifolia Kylin
- NERESHEIMERIA Uebel
- Neresheimeria catenata (Neresheimer) Chatton
- Neresheimeria paradoxa (Neresheimer) Chatton
- NERUSIANDELLA Vologdin
- Nerusiandella faveolata Vologdin
- NESAEA Commerson ex Jussieu
- NESAEA Lamouroux
- NESEA 'Lamouroux'
- Nesaea annulata (Lamarck) Lamouroux
- Nesaea dumetosa Lamouroux
- Nesaea eriophora Lamouroux
- Nesaea granulosa Lamouroux mss
- Nesaea nodulosa Lamouroux
- Nesaea penicillus (L.) Lamouroux
- Nesaea phoenix (Ellis & Solander) Lamouroux
- Nesaea pyramidalis Lamouroux
- NESOPHILA W.A. Nelson & N.M. Adams
- Nesophila hoggardii W.A. Nelson & N.M. Adams
- NETRELYTRON Sarjeant
- Netrelytron jurassicum (Alberti) Sarjeant
- Netrelytron parum Gitmez
- Netrelytron stegastum Sarjeant
- Netrelytron trinetron Sarjeant
- NETRIUM Nägeli \{also on card: subgenus of Closterium\}
- NETRIUM (Nägeli) Itzigsohn & Rothe
- NETRIUM \{also on card: sect. Planotaenium S. Ohtani\}
- Netrium brebissonii (Ralfs) Gaidukov
- Netrium carinthiacum Beck-Mannagetta nom. prov.
- Netrium digitus (Brébisson ex Ralfs) Itzigsohn & Rothe
- Netrium digitus (Ehrenberg) Lütkemüller
- Netrium digitus var. bulgaricum Roubal
- Netrium digitus var. constrictum (West) West & West
- Netrium digitus f. minus Petkov
- Netrium digitus f. elegans Kossinskaja
- Netrium digitus var. elegans (Kossinskaja) S. Ohtani
- Netrium digitus f. ellipticum ('elliptica') Irénée-Marie
- Netrium digitus var. lamellosum (Brébisson) Grönblad
- Netrium digitus f. minus ('minor') Roubal
- Netrium digitus f. rostratum ('rostrata') Schulz
- Netrium digitus f. latum_('lata') Ducellier
- Netrium digitus var. latum Hustedt
- Netrium digitus f. maius ('maior') [Hustedt]
- Netrium digitus var. minus ('minor') Roll
- Netrium digitus f. ellipticum Woodhead & Tweed
- Netrium digitus f. minus ('minor') Wailes
- Netrium digitus f. minus Prescott, Croasdale, & Vinyard
- Netrium digitus f. minus Prescott, Croasdale, & Vinyard
- Netrium digitus f. minus Prescott
- Netrium digitus var. scottii Prescott, Croasdale, & Vinyard
- Netrium digitus var. ventriosum (Lagerheim) Lagerheim
- Netrium elongatum S. Ohtani
- Netrium interruptum (Brébisson) Lütkemüller
- Netrium interruptum var. digitiforme Ruzicka
- Netrium interruptum var. giganteum ('gigantea') Krieger & Bourrelly
- Netrium interruptum var. minus Ducellier
- Netrium interruptum var. minus ('minor') Petkov
- Netrium interruptum f. minus G.H. Tomaszewicz
- Netrium interruptum var. scottii (Prescott, Croasdale, & Vinyard) G. H. Tomaszewicz
- Netrium digitus f. ovale Kaiser
- Netrium digitus var. rhomboideum Grönblad
- Netrium interruptum var. sectum (West) West & West
- Netrium lamellosum (Brébisson) Lütkemüller
- Netrium lanceolatum S. Ohtani
- Netrium minus Prescott
- Netrium minutum S. Ohtani
- Netrium naegelii f. crassum ('crassa') Viret
- Netrium naegelii f. elongatum A.I. Lobik
- Netrium nepalense S. Ohtani
- Netrium oblongum (de Bary) Lütkemüller
- Netrium oblongum var. acuminatum Irénée-Marie
- Netrium oblongum var. angustatum W. West
- Netrium oblongum var. brevius W. West
- Netrium oblongum f. elongatum Strøm
- Netrium oblongum var. cylindricum W. West & G. S. West
- Netrium oblongum f. curvatum ('curvata') Fritsch
- Netrium oblongum f. longius ('longior') Cedergren
- Netrium oblongum f. minus Kaiser
- Netrium oblongum f. minus ('minor') Förster
- Netrium scottii (Prescott, Croasdale, & Vinyard) S. Ohtani
- Netrococcus convergens Nägeli ined.
- NEUROCARPUS J. Agardh \{also on card: subgenus of Dictyota\}
- Neurocarpus acrostichoides ('acrostichodes') (J. Agardh) Kuntze
- Scanning error
- Neurocarpus angustifolius Schousboe \{also on card: (or tenuifolius)\}
- Neurocarpus annularis Schousboe
- Neurocarpus appendiculatus Schousboe
- Neurocarpus areolatus Schousboe
- Neurocarpus areschougia_('areschougii') (J. Agardh) Kuntze \{pcs\}
- Neurocarpus australis (Sonder) Kuntze
- Neurocarpus cokeri Howe
- Neurocarpus complanatus Schousboe
- Neurocarpus crassinervius (Zanardini) Kuntze
- Neurocarpus crispatus Schousboe
- Neurocarpus delicatulus (Lamouroux) Kuntze
- Neurocarpus divaricatus (Okamura) Howe
- Neurocarpus dichotomus Kuntze
- Neurocarpus fasciatus f. angustus ('angusta') Schousboe
- Neurocarpus hauckianus (Möbius) Kuntze
- Neurocarpus justii (Lamouroux) Kuntze
- Neurocarpus laciniatus Schousboe
- Neurocarpus latifolius Schousboe
- Neurocarpus latifolius Schousboe
- Neurocarpus latiusculus (Okamura) Okamura
- Neurocarpus ligulatus (Suhr) Kuntze
- Neurocarpus macrocarpus (J. Areschoug) Kuntze
- Neurocarpus muelleri (Sonder) Kuntze
- Neurocarpus pardalis (Harvey) Kuntze
- Neurocarpus plagiogrammus (Montagne) Kuntze
- Neurocarpus polypodioides Schousboe
- Neurocarpus prolifer (Okamura) Kuntze
- Neurocarpus repens (Okamura) Okamura
- Neurocarpus serratus (J. Areschoug) Kuntze
- Neurocarpus spiralis Schousboe
- Neurocarpus tenuifolius Schousboe
- Neurocarpus tenuissimus Schousboe
- Neurocarpus undulatus (Holmes) Okamura
- Neurocarpus undulatus f. planus ('plana') Okamura
- Neurocarpus woodwardia_('woodwardii') (Brown ex Turner) Kuntze \{pcs\}
- Neurocarpus zonarioides (Farlow) Howe
- NEUROCAULON Zanardini
- Neurocaulon foliosum (Meneghini) Zanardini
- Neurocaulon grandifolium Rodrígues & Femenías
- Neurocaulon japonicum Segawa
- Neurocaulon reniforme (Turner) Zanardini
- Neurocaulon rosa-marina ('Rosa marina') (Gmelin) Kützing
- Neurocaulon sitchense (Postels & Ruprecht) Kützing
- NEUROGLOSSUM Kützing
- NEUROGLOSSUM J. Agardh {also on card: Section of Delesseria}
- Neuroglossum andersonianum J. Agardh
- Neuroglossum binderianum Kützing
- Neuroglossum crispatum (Hooker f. ex Harvey) J. Agardh
- Neuroglossum delesseriae (Reinsch) M. J. Wynne
- Neuroglossum ligulatum (Reinsch) Skottsberg
- Neuroglossum lobuliferum J. Agardh
- Neuroglossum multilobum Baardseth
- Neurophora agarum De la Pylaie Herb. mss.
- Neurophora musifolia ('musaefolia') De la Pylaie
- NEUROPHYLLIS {see Nevrophyllis}
- NEUROSPORANGIUM Debey & Ettingshausen
- Neurosporangium foliaceum Debey & Ettingshausen
- Neurosporangium undulatum Debey & Ettingshausen
- NEUROTHALIA Sonder
- Neurothalia mertensii (Kützing) Sonder
- NEUROTITANOPHYTON Micheli ex G. Targioni-Tozzetti
- NEURYMENIA J. Agardh
- Neurymenia fraxinifolia (Turner) J. Agardh
- Neurymenia fraxinifolia f. australis J. Agardh \{also on card: or var.\}
- Neurymenia fraxinifolia f. indica J. Agardh \{also on card: or var.\}
- Neurymenia fraxinifolia f. madagascariensis J. Agardh \{also on card: or var.\}
- Neurymenia nigricans Tanaka & Itono
- NEVIDIA Vavrdová
- Nevidia multicellaria Vavrdová
- Nevidia sphaerocellaria Vavrdová
- NEVROPHYLLIS Zanardini
- Nevrophyllis australis Zanardini
- NEWLANDIA Walcott
- Newlandia concentrica Walcott
- Newlandia frondosa Walcott
- Newlandia lamellosa Walcott
- Newlandia major Walcott
- Newlandia sarcinula C.L. Fenton & M. A. Fenton
- NEXOSISPINUM R.J. Davey
- Nexosispinum hesperum R.J. Davey
- Nexosispinum vetusculum (R.J. Davey) R.J. Davey
- NICHOLSONIA Korde
- Nicholsonia composita Korde
- Nicholsonia glomerata Korde
- Nicholsonia grandis Korde
- Nicholsonia involutans Korde
- NIDULARIA Link
- NIDULITES J. W. Salter
- NIENBURGIA Kylin
- Nienburgia andersoniana (J. Agardh) Kylin
- Nienburgia angusta A. Zinova
- Nienburgia borealis (Kylin) Kylin
- Nienburgia japonica (Yamada) Kylin
- Nienburgia pinnatifida (Suhr) Papenfuss
- Nienburgia prolifera Wynne
- Nienburgia serrata (Suhr) Papenfuss
- NILZAMONAS Skvortsov
- Nilzamonas saprophyticum Skvortsov
- Nilzamonas vitalii Skvortsov
- NIPPONOPHYCUS Yabe & Toyama
- Nipponophycus kanmerae_('kanmerai') R. Endo & Horiguchi
- Nipponophycus ramosus Yabe & Toyama
- Nipponophycus ramosus f. tenuis Yabe & Toyama
- NIPPONOPHYSOPORELLA R. Endo
- Nipponophysoporella elegans R. Endo