Silva Center for Phycological Documentation: Index Nominum Algarum


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

Results from INA database

NameAuthorSourceCitationYear
ALTERASYNEDRALange-Bertalot Biblioth. Diatomol. 27: 52 1993
Asterionella synedraeformisR.K. Greville image
Asterionella synedriformis_(`synedraeformis')Greville Ann. & Mag. Nat. Hist., ser. 3, 16: 4, pl. V: figs. 5, 6 1865
Eunotia synedra - - image
Eunotia synedraeformisF. Hustedt image
Eunotia synedraeformis var. angustaF. Hustedt image
Eunotia synedriformis_('synedraeformis')Hustedt Ber. Deutsch. Bot. Ges. 65: 137, pl. V: fig. 8 1952
Eunotioforma synedriformis_('synedraeformis')(Hustedt) J.P. Kociolek & A.L. Burliga in A.L. Burliga et al. Phytotaxa 72: 53 2013
EUSYNEDRAFrenguelli image
EUSYNEDRASchütt image
EUSYNEDRAVan Heurck image
FRAGILARIA subg. ALTERASYNEDRALange-Bertalot Biblioth. Diatomol. 27: 52 1993
Fragilaria synedraC.G. Ehrenberg image
HYALOSYNEDRAD. Williams & F.E. Round image
Hyalosynedra al-shareefiiJ.S.M. Sabir & E.C. Theriot in Sabir et al. Phytotaxa 347: 16, figs. 33-36 2018
Hyalosynedra al-turkiiJ.S.M. Sabir & E.C. Theriot in Sabir et al. Phytotaxa 347: 16, figs. 27-32 2018
Hyalosynedra hyalina(Grunow) I. Álvarez-Blanco & S. Blanco Biblioth. Diatomol. 60: 105 2014
Hyalosynedra laevigata(Grunow) Williams & Round image
Hyalosynedra lanceolataM.D. Belando, J.F. Jiménez & M. Aboal in Belando et al. European J. Phycol. 53: 210, figs. 1-25 2018
Hyalosynedra prasadiiE.C. Theriot & M.A. Ashworth in Sabir et al. Phytotaxa 347: 18, figs. 37-43 2018
Hyalosynedra sublaevigataI. Álvarez-Blanco & S. Blanco Biblioth. Diatomol. 60: 105, pl. 9: figs. 31-33; pl. 54 2014
Hyalosynedra toxoneides(Castracane) J.J. Perez Coca, Y.T. Chang, W.L. Wang & M.Y. Wang in Perez Coca et al. Nova Hedwigia 104: 514 2016
Nematoplata synedra(Ehrenberg) Kuntze image
NEOSYNEDRAD. Williams & Round image
Neosynedra delicatissima(Proshkina-Lavrenko) L.N. Bukhtiyarova in Bukhtiyarova & Compère Algologia 16: 281 2006
Neosynedra provincialis(Grunow) D. Williams & Round image
Neosynedra tortosa(Grunow) D. Williams & Round image
PSAMMOSYNEDRAF.E. Round Diatom Res. 8: 211 1993
Psammosynedra closterioides(Grunow) F.E. Round Diatom Res. 8: 211 1993
PSEUDO-SYNEDRALeuduger-Fortmorel Bacillariophyta Ann. Jard. Bot. Buitenzorg 11: 31
Pseudo-synedra debyiLeuduger-Fortmorel image
Pseudo-synedra debyiLeuduger-Fortmorel Ann. Jard. Bot. Buitenzorg 11: 32, pl. V: fig. 3 1892
Pseudo-synedra peragalliLeuduger-Fortmorel Ann. Jard. Bot. Buitenzorg 11: 31, pl. V: fig. 2 1892
Pseudo-synedra peragalloi_('peragalli')Leuduger-Fortmorel image
PSEUDOSYNEDRAC.S. Boyer Syn. N. Amer. Diat.: 212 1927
Pseudosynedra peragalloi_('peragalli')C.S. Boyer Syn. N. Amer. Diat.: 212, pl. V: fig. 2 in Leuduger-Fortmorel 1892 1927
Pseudosynedra sceptroidesJ. Brun image
SYNEDRA "Gruppe" ULNARIAGrunow Verh. K.K. Zool.-Bot. Ges. Wien 12: 386 1862
SYNEDRA [unranked] ULNARIAKützing Bacillarien: 65 1844
SYNEDRAC.G. Ehrenberg image
SYNEDRAGruppe AFFINES A. Grunow image
SYNEDRAGruppe PSEUDO-EUNOTIA A. Grunow image
SYNEDRA sect.EUSYNEDRA F. Schütt, H.G.A. Engler & K.A.E. Prantl image
SYNEDRA subg. ULNARIA(Kützing) Frenguelli Boll. Soc. Geol. Ital. 47: 234 1929
SYNEDRA subgeneraCTENOPHORA J. Frenguelli image
SYNEDRA subgeneraEUSYNEDRA H.F. Van Heurck image
SYNEDRA subgenusRIMARIA F.T. Kützing image
Synedra [affinis var.?] biharensisJ. Pantocsek image
Synedra [affinis var.?] grandisK.S. Mereschkowsky image
Synedra [affinis var.] dubiaA. Grunow image
Synedra [affinis var.] intermediaA. Grunow image
Synedra [amphicephala var. ?] fallaxA. Grunow image
Synedra [amphicephala var. ?] imperfectaA. Cleve-Euler image
Synedra [crystallina var.] decipiensP.T. Celve & A. Grunow image
Synedra [famelica var. ?] minusculaA. Grunow image
Synedra [parva var.?] bremianaJ. Pantocsek image
Synedra [ulna var.] spathuliferaA. Grunow image
Synedra [ulna var.] subaequalisA. Grunow image
Synedra [vaucheriae var. ?] perminutaA. Grunow image
Synedra [vaucheriae var.?] capitellataA. Grunow image
Synedra [vaucheriae var.?] gloiophilaA. Grunow image
Synedra acicularisF.T. Kützing image
Synedra acicularisW. Smith image
Synedra actinastroides(E.J. Lemmermann) E.J. Lemmermann image
Synedra actinastroides var. curvataE.J. Lemmermann image
Synedra actinastroides var. lataE.J. Lemmermann image
Synedra actinastroides var. opoliensisE.J. Lemmermann image
Synedra aculaF.T. Kützing image
Synedra acula var. tenuissima(F.T. Kützing) E. O'Meara image
Synedra acus f. angustissima(A. Grunow) Willi Krieger image
Synedra acus f. anomalaM. Peragallo image
Synedra acus f. delicatissima(W. Smith) Willi Krieger image
Synedra acus f. mesoleia(A. Grunow) A. Cleve-Euler image
Synedra acus f. mesoleia(A. Grunow) O. Müller image
Synedra acusF.T. Kützing 1844 image
Synedra acusKützing Kieselschal. Bacill.: 68, pl. 15: fig. VII 1844
Synedra acus subsp. ostenfeldii(Willi Krieger) Skabichevskii Fauny Flory SSSR Otdel Bot., N.S., Vyp. 11: 253 1960
Synedra acus var. acula(F.T. Kützing) A. Cleve-Euler image
Synedra acus var. angustissima(A. Grunow) H.F. Van Heurck image
Synedra acus var. apiculata(G.L. Rabenhorst) G.L. Rabenhorst image
Synedra acus var. aprilina - - image
Synedra acus var. delicatissima(W. Smith) G.L. Rabenhorst image
Synedra acus var. elongataA. Grunow image
Synedra acus var. fossilisA. Grunow image
Synedra acus var. genuinaAnt. Mayer image
Synedra acus var. gracillima(G.L. Rabenhorst) G.L. Rabenhorst image
Synedra acus var. mesoleptaE.V. Østrup image
Synedra acus var. ostenfeldiiWilli Krieger Pflanzenforschung 10: 36, pl. III: fig. 29 1927
Synedra acus var. radians(F.T. Kützing) F. Hustedt image
Synedra acus var. tenuis(F.T. Kützing) J. Schumann image
Synedra acus var. tenuissima(Kützing) G.L. Rabenhorst image
Synedra acus var. varipunctataJ. John Cryptog.: Algol. 2: 132, pl. I: figs. 1-3; pl. II: figs. 4-6 1981
Synedra acus var. ventricosaJ.-J. Brun & J. Heribaud image
Synedra acutaC.G. Ehrenberg image
Synedra acuta var. amphicephala(A. Grunow) G.L. Rabenhorst image
Synedra acuta var. oxyrhynchus(F.T. Kützing) G.L. Rabenhorst image
Synedra acuta var. undulata(A. Grunow) G.L. Rabenhorst image
Synedra adeliaeE.E. Manguin image
Synedra aequalis(F.T. Kützing) F.T. Kützing image
Synedra aequalis(Kützing) Kützing Kieselschal. Bacill.: 66 1844
Synedra affinis f. anomalaE.V. Østrup image
Synedra affinis f. constrictaB. Liebetanz image
Synedra affinis f. curta - - image
Synedra affinis f. elongataH.F. Van Heurck image
Synedra affinis f. graciliorH.F. Van Heurck image
Synedra affinis f. minorJ. Frenguelli image
Synedra affinis f. minorJ. Frenguelli image
Synedra affinis f. nudaJ. Pantocsek image
Synedra affinis f. opephoroidesJ. Frenguelli image
Synedra affinis f. parvaH.F. Van Heurck image
Synedra affinisF.T. Kützing image
Synedra affinisKützing Bacillarien: 68, pl. 15: figs. VI, XI; pl. 24: fig. I.5 1844
Synedra affinis var. acuminataA. Grunow image
Synedra affinis var. acuminataGrunow in Van Heurck Syn. Diat. Belgique: pl. XLI: fig. 14 1881
Synedra affinis var. angustata - - image
Synedra affinis var. baileyanaH.H. Chase image
Synedra affinis var. biharensisJ. Pantocsek image
Synedra affinis var. curtaA. Grunow image
Synedra affinis var. delicatulaA. Grunow image
Synedra affinis var. fasciculata(C.A. Agardh) H.F. Van Heurck image
Synedra affinis var. genuinaH.F. Van Heurck image
Synedra affinis var. grandisK.S. Mereschkowsky image
Synedra affinis var. hybridaA. Grunow image
Synedra affinis var. lanceolataE.V. Østrup image
Synedra affinis var. lancettulaA. Grunow image
Synedra affinis var. lepidaA. Grunow image
Synedra affinis var. nudaJ. Pantocsek image
Synedra affinis var. obtusaArnott ex Grunow image
Synedra affinis var. obtusaF. Hustedt image
Synedra affinis var. parva(F.T. Kützing) H.F. Van Heurck image
Synedra affinis var. platensisJ. Frenguelli image
Synedra affinis var. rostrataH.J.B. Juhlin-Dannfelt image
Synedra affinis var. rupicolaA. Grunow image
Synedra affinis var. sinicaSkvortzov Publ. Mus. Hoangho Paiho Tien Tsin 36: 7, pl. 1: fig. 13 1935
Synedra affinis var. subtilis(F.T. Kützing) A. Grunow image
Synedra affinis var. tabulata(F.T. Kützing) H.F. Van Heurck image
Synedra affinis var. tenuis(F.T. Kützing) A. Grunow image
Synedra affinis var. tenuissimaA. Grunow image
Synedra affinis var. thermalisM. Peragallo image
Synedra affinis var. travertinorumE.V. Østrup image
Synedra affinis var. tristaniA. Cleve-Euler image
Synedra aggregataBrébisson in Rabenhorst Alg. Sachs. Dec. 69/70: no. 687 1858 (May)
Synedra alaskanaR.M. Patrick & L.R. Freese image
Synedra allansoniiB.J. Cholnoky image
Synedra allorgeiE.E. Manguin image
Synedra alpinaC.W. Nägeli ex F.T. Kützing image
Synedra alpinaNägeli ex Kützing Sp. Alg.: 43 1849
Synedra alpina var. subarcuata(C.W. Nägeli) G.L. Rabenhorst image
Synedra amphicephala f. mesoleiaA. Cleve-Euler image
Synedra amphicephala f. mesoleptaA. Cleve-Euler image
Synedra amphicephalaF.T. Kützing image
Synedra amphicephalaKützing Bacillarien: 64, pl. 3: fig. XII 1844
Synedra amphicephala var. asiaticaSkvortzov Publ. Mus. Hoangho Paiho Tien Tsin 36: 6, pl. 1: fig. 10 1935
Synedra amphicephala var. balatonisJ. Pantocsek image
Synedra amphicephala var. densestriataC.W. Fontell image
Synedra amphicephala var. fallax(Grunow) Fontell Ark. Bot. 14{21}: 60 1917
Synedra amphicephala var. imperfectaA. Cleve-Euler image
Synedra amphicephala var. intermediaE.E. Manguin image
Synedra amphicephala var. minorA. Grunow image
Synedra amphicephala var. pusillaA. Cleve image
Synedra amphicephala var. sigmoideaJ. Schaarschmidt image
Synedra amphicephala var. striis-tenuioribusA. Grunow image
Synedra amphicephala var. tenuicapitataE.E. Manguin image
Synedra amphicorynaC.G. Ehrenberg image
Synedra amphileptaC.G. Ehrenberg image
Synedra amphioxysC.G. Ehrenberg image
Synedra amphirhynchusC.G. Ehrenberg image
Synedra amphirhynchusEhrenberg Abh. K. Akad. Wiss. Berlin, Phys. Kl. 1841: 425, pl. III: fig. I.25 1843
Synedra amphirhynchus var. fragilariaeformisF.E. Fritsch & M.F. Rich image
Synedra amphirhynchus var. fragilariiformis_('fragilariaeformis')F.E. Fritsch & M.F. Rich Trans. Roy. Soc. S. Afr. 11: 379, fig. 30A-C 1924
Synedra amphirhynchus var. undulataG.L. Rabenhorst image
Synedra amphirhynchus var. undulataRabenhorst Fl. Eur. Alg.: 1323 1862
Synedra anguineaC.S. Boyer image
Synedra angustaE.V. Østrup image
Synedra angustataF.T. Kützing image
Synedra antarcticaH. Heiden image
Synedra antarcticaM. Peragallo image
Synedra apiculataG.L. Rabenhorst image
Synedra arcticaA. Grunow image
Synedra arcticaE. O'Meara image
Synedra arcticaGrunow Verh. K.K. Zool.-Bot. Ges. Wien 12: 401, pl. V: fig. 3 1862
Synedra arcticaO'Meara Quart. J. Microscop. Sci., ser. 2, 14: 260, pl. VIII: fig. 11 1874
Synedra arcuataA. Wigand image
Synedra arcuataC.W. Nägeli ex F.T. Kützing image
Synedra arcuataNägeli ex Kützing Sp. Alg.: 890 1849
Synedra arcuataWigand Hedwigia 2: 44, pl. VII: fig. 15 1860
Synedra arcus f. minorA. Piccone image
Synedra arcusF.T. Kützing image
Synedra arcusKützing Bacillarien 68, pl. 30: fig. 50 1844
Synedra arcusKützing image
Synedra arcus var. delicatissimaA. Grunow image
Synedra arcus var. genuinaA. Grunow image
Synedra arcus var. minorA. Grunow image
Synedra armoricanaF.T. Kützing image
Synedra articulataP.L. Crouan & H.M. Crouan image
Synedra asterionelloidesO. Müller image
Synedra atlanticaF.S. Castracane degli Antelminelli image
Synedra atomus(Kützing) Nägeli ex Kützing image
Synedra auriculataG.H.H. Karsten image
Synedra australisC.G. Ehrenberg image
Synedra australisC.G. Ehrenberg image
Synedra austriacaA. Grunow image
Synedra austriacaGrunow in Van Heurck Syn. Diat. Belgique: pl. XXXIX: fig. 16 A,B 1881
Synedra bacillaris(Grunow) Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 230 1932
Synedra baculus var. minorA. Grunow image
Synedra baculusW. Gregory image
Synedra balatonis f. staurophoraJ. Pantocsek image
Synedra balatonisJ. Pantocsek image
Synedra balthicaC.G. Ehrenberg image
Synedra bananaensisKufferath Bulletin de l'Institut Royal des Sciences Naturelles de Belgique 32{34}: 49, pl. 3: fig. 8 1956
Synedra barbatulaF.T. Kützing image
Synedra barbatulaKützing Bacillarien: 68, pl. 15: fig. X.4 1844
Synedra barrowianaR.M. Patrick & L.R. Freese image
Synedra berolinensisE.J. Lemmermann image
Synedra berolinensisLemmermann Ber. Deutsch. Bot. Ges. 18: 31 1900
Synedra berolinensis var. gracilisE.J. Lemmermann image
Synedra biasolettianaF.T. Kützing image
Synedra biasolettianaKützing Bacillarien: 63, pl. 3: fig. XXII 1844
Synedra bicepsF.T. Kützing image
Synedra bicepsKützing Bacillarien: 66, pl. 14: figs. XVIII, XXI.1 1844
Synedra biceps var. arcusF.T. Kützing image
Synedra biceps var. distentaF.E. Fritsch & M.F. Rich image
Synedra biceps var. rectaF.T. Kützing image
Synedra bicepsW. Smith image
Synedra bicurvataBiene in Rabenhorst Fl. Eur. Alg. 1: 129 1864
Synedra bilunarisC.G. Ehrenberg image
Synedra bilunarisEhrenberg Abh. Königl. Akad. Wiss. Berlin, Phys. Kl. 1831: 87 1832
Synedra bilunaris var. elongataC.M. Sande Lacoste & W.F.R. Suringar image
Synedra bilunaris var. elongataSande Lacoste & Suringar Ned. Kruidk. Arch. 5: 287 1861
Synedra binodis(C.G. Ehrenberg) T.-P. Chang & C. Steinberg image
Synedra brebissoniiCastracane Atti dell'Accademia Pontificia De' Nuovi Lincei 24: 28 1871
Synedra brebissonii_('brebissonii')(F.T. Kützing) G.L. Rabenhorst image
Synedra brevisC.G. Ehrenberg image
Synedra brevis var. graciliorC.G. Ehrenberg image
Synedra brevis var. turgidaC.G. Ehrenberg image
Synedra brockmannii_('brockmanni')Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 228, fig. 716 1932
Synedra calvaCastracane Atti dell'Accademia Pontificia de'Nuovi Lincei 33: 105 1880
Synedra campylaF.W. Hilse image
Synedra campylaF.W. Hilse image
Synedra camtschaticaA. Grunow image
Synedra camtschaticaGrunow Verh. K.K. Zool.-Bot. Ges. Wien 12: 404, pl. V: fig. 6 [miscited fig. b] 1862
Synedra camtschatica var. finnmarchicaCleve & Grunow in Grunow Kongl. Svenska Vetensk.-Akad. Handl., ser. 4, 17{2}: 106, pl. VI: fig. 113 1880
Synedra capensisA. Grunow image
Synedra capillaJ.R. Carter & P. Denny Nova Hedwigia 54: 204 1992
Synedra capillarisA. Grunow image
Synedra capillarisGrunow Monthly Micr. J. 18: 168, pl. CXCIV: fig. 2 1877
Synedra capitataC.G. Ehrenberg image
Synedra capitataEhrenberg Ber. K. Akad. Wiss. Berlin 1836: 53 1836
Synedra capitataEhrenberg Mitt. Ges. Naturf. Freunde Berlin 1836: 50 1837
Synedra capitataEhrenberg Ann. Phys. u. Chem. 38: 221, pl. III: figs. III-1 1836
Synedra capitata var. cuneataV.S. Poretzkiy in Proshkina-Lavrenko & V.S. Seshukova (eds.) Diatomovyi Sbornik: 31, fig. 4 1953
Synedra capitata var. curtaF. Meister image
Synedra capitata var. genuinaF. Meister image
Synedra capitata var. longiceps(C.G. Ehrenberg) E. O'Meara image
Synedra capitata var. typicaR. Gutwinski image
Synedra capitellataGrunow in Van Heurck Syn. Diat. Belg. Pl. XL: fig. 26 1881
Synedra capitellata var. cymbelloidesA. Grunow image
Synedra capitellata var. cymbelloidesGrunow in Van Heurck Syn. Diat. Belg.: Pl. XL: figs. 24, 25 1881
Synedra capitulataCastracane Challenger Exped., Bot. 2: 52, pl. XXV: fig. 13 1886
Synedra capitulataF.S. Castracane degli Antelminelli image
Synedra caroli-principisJ. Schaarschmidt image
Synedra chandolensisH.P. Gandhi Nova Hedwigia 8: 357, pl. 62(1): fig. 28 1964
Synedra chandolensis var. capitataH.P. Gandhi Fresh-water Diatoms Central Gujarat: 80, pl. IV: figs. 196-199 1998
Synedra charcotiiM. Peragallo image
Synedra clavaO. Witt J. Mus. Godeffroy [Hamburg] 1: 70, pl. 8: fig. 14 1873
Synedra clavaO.N. Witt image
Synedra clavataR.K. Greville image
Synedra closterioidesA. Grunow image
Synedra closterioidesGrunow in Van Heurck Syn. Diat. Belg.: pl. LXX: figs. 10, 11 1881
Synedra closterioides var. fossilisM. Peragallo & J. Heribaud image
Synedra closterioides var. jaernefeltiiK. Mölder image
Synedra commutataA. Grunow image
Synedra commutata var. productaH.F. Van Heurck image
Synedra commutata var. septentrionalisA. Grunow image
Synedra constrictaC.G. Ehrenberg image
Synedra constrictaF.T. Kützing image
Synedra constrictaKützing Bacillarien: 64, pl. 3: fig. LXX 1844
Synedra cornigeraA. Grunow image
Synedra crotonensis(F. Kitton) A. Grunow image
Synedra crotonensis f. belgicaA. Grunow image
Synedra crotonensis var. constrictaC.H. Kain image
Synedra crotonensis var. prolongataA. Grunow image
Synedra crystallina(C.A. Agardh) F.T. Kützing image
Synedra crystallina f. gibbaJ. Pantocsek image
Synedra crystallina var. bacillarisA. Grunow image
Synedra crystallina var. bacillarisGrunow Month. Micr. J. 18: 167, pl. CXCIII: fig. 12 1877
Synedra crystallina var. decipiensP.T. Cleve & A. Grunow image
Synedra crystallina var. fossilisJ. Pantocsek image
Synedra crystallina var. insignisA. Grunow image
Synedra crystallina var. insignisGrunow Monthly Microscop. J. 18: 167, pl. CXCIII: fig. 11 1877
Synedra crystallina var. longissimaA. Grunow image
Synedra crystallina var. maeoticaJ. Pantocsek image
Synedra crystallina var. smithiiA. Grunow image
Synedra cuneata(H.C. Lyngbye) C.G. Ehrenberg image
Synedra cuneata(Lyngbye) Ehrenberg Abh. Königl. Akad. Wiss. Berlin, Phys. Kl. 1833: 272 1834
Synedra cuneataA. Grunow image
Synedra cuneataH.P. Gandhi Fresh-water Diatoms Central Gujarat: 81, pl. IV: fig. 200 1998
Synedra cunningtoniiG.S. West image
Synedra curvataA.I. Proshkina-Lavrenko image
Synedra curvataC.G. Ehrenberg image
Synedra curvataE.V. Østrup image
Synedra curvataF.T. Kützing image
Synedra curvulaF.T. Kützing image
Synedra curvula var. punctataF.T. Kützing image
Synedra cyclopumA. Brutschy image
Synedra cyclopum var. gibbosaF. Moghadam Proc. Acad. Nat. Sci. Philadelphia 121: 178, pl. 1: fig. b 1969
Synedra cyclopum var. incisaG.A. Cunningham J. Phycol. 14: 528, fig. 1 1978
Synedra cyclopum var. nipponicaB.V. Skvortzov image
Synedra cymbelliformisA. Schmidt image
Synedra dalmaticaF.T. Kützing image
Synedra danicaF.T. Kützing image
Synedra danicaKützing Bacillarien: 66, pl. 14: fig. XIII 1844
Synedra debilisF.T. Kützing image
Synedra decloitreiA. Amosse image
Synedra deformis f. perminutaG.A.W. Arnott image
Synedra deformisW. Smith Syn. Brit. Diat. II: 98 1856
Synedra delicatissima(Proshkina-Lavrenko) Gusliakov in Gusliakov et al. Atlas of diatoms of benthos of the northwestern Black Sea: 23 1992
Synedra delicatissima f. brevisH.F. Van Heurck image
Synedra delicatissima var. amphicephalaH.F. Van Heurck image
Synedra delicatissima var. angustissimaA. Grunow image
Synedra delicatissima var. angustissimaGrunow in Van Heurck Syn. Diat. Belgique: pl. XXXIX: fig. 10 1881
Synedra delicatissima var. mesoleiaA. Grunow image
Synedra delicatissimaW. Smith Syn. Brit. Diat. 1: 72, pl. XII: fig. 94 1853
Synedra delicatulaAnt. Mayer Krypt. Forsch. 1: 197, 212, no fig. 1919
Synedra demeraraeA. Grunow image
Synedra dissipataF.T. Kützing image
Synedra dissipata var. fasciculataF.T. Kützing image
Synedra dissipata var. sparsaF.T. Kützing image
Synedra distinguendaHustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 214, fig. 707 1932
Synedra distinguenda var. curtaM.H. Giffen image
Synedra doliolusG.C. Wallich image
Synedra doliolusWallich Trans. Microscop. Soc. London, ser. 2, 8: 48, pl. II: fig. 19 1860
Synedra dorsiventralis f. biconstrictaE.E. Manguin image
Synedra dorsiventralis f. symetricaE.E. Manguin image
Synedra dorsiventralisO. Müller image
Synedra dorsiventralis var. cymbelliformisO. Müller image
Synedra dorsiventralis var. sinuataO. Müller image
Synedra dorsiventralis var. subundulataO. Müller image
Synedra dorsiventralis var. undulataO. Müller image
Synedra dubiaW. Carruthers image
Synedra dubravicensisJ. Pantocsek image
Synedra duhemiG.D. Hanna & W.M. Grant image
Synedra ehrenbergiiF.T. Kützing image
Synedra elegansC.G. Ehrenberg image
Synedra entomonC.G. Ehrenberg image
Synedra exilisF.T. Kützing image
Synedra falcataF.T. Kützing & L.A. Brebisson ex F.T. Kützing image
Synedra falcataKützing & Brébisson in Kützing Sp. Alg.: 43 1849
Synedra fallaxGrunow in Van Heurck Syn. Diat. Belg.: pl. XXXIX: fig. 16C 1881
Synedra famelicaF.T. Kützing image
Synedra famelica var. capitataC.W. Nägeli ex F.T. Kützing image
Synedra famelica var. enflataV. Zanon image
Synedra familiaris f. majorA. Grunow image
Synedra familiaris f. neogenaGrunow Beitr. Paläont. Österr.-Ung. 2: 139, pl. XXIX: fig. 15 1882
Synedra familiaris f. parvaH.F. Van Heurck image
Synedra familiarisF.T. Kützing image
Synedra familiarisKützing Kieselschal. Bacill.: 68, pl. 15: fig. XII 1844
Synedra familiaris var. neogenaA. Grunow image
Synedra fasciculata(C.A. Agardh) Kützing image
Synedra fasciculataC.G. Ehrenberg image
Synedra fasciculata f. undulataA. Grunow image
Synedra fasciculata var. obtusaJ. Pantocsek image
Synedra fasciculata var. obtusaPantocsek Beitr. Kenntn. Foss. Bacill. Ungarns 2: 64, pl. 26: figs. 377, 380 1889
Synedra fasciculata var. parva(Kützing) T.V. Desikachary & V.T. Sridharan in T.V. Desikachary Atlas Diat. 6: 9 1989
Synedra fasciculata var. subarcuataA. Grunow image
Synedra fasciculata var. truncata(R.K. Greville) R.M. Patrick image
Synedra fasciolarisK.E. Eichwald image
Synedra fastuosa var. japonicaB.V. Skvortzov image
Synedra fibulaJ.-J. Brun image
Synedra fibulaW. Smith image
Synedra filiformisA. Grunow image
Synedra filiformisJ.R. Carter & P. Denny image
Synedra filiformisJ.R. Carter & P. Denny Nova Hedwigia 44: 270, pl. 9: fig. 32 1987
Synedra filiformis var. exilisA. Cleve-Euler image
Synedra filiformis var. majorA. Cleve-Euler image
Synedra fimbriataF.S. Castracane degli Antelminelli image
Synedra fisherensisT.A. Bond image
Synedra flexuosaBrébisson ex Kützing Bot. Zeit. 4: 248 1846
Synedra flexuosaC.G. Ehrenberg image
Synedra flexuosaL.A. Brebisson image
Synedra flexuosa var. angustaBrébisson ex Kützing Sp. Alg.: 6 1849
Synedra flexuosa var. angustaBrébisson ex Rabenhorst Fl. Eur. Alg. 1: 129 1864
Synedra flexuosa var. angustaL.A. Brebisson image
Synedra flexuosa var. angustaL.A. Brebisson ex G.L. Rabenhorst image
Synedra flexuosa var. biceps(C.G. Ehrenberg) A. Grunow image
Synedra fluviatilisE.J. Lemmermann image
Synedra fluviatilis var. czerlanensisJ. Woloszynska image
Synedra fontinalisW. Smith image
Synedra formosaC.A. Hantzsch image
Synedra formosa var. amphipachyaA. Grunow image
Synedra fortaL.A. Brebisson ex W. Smith image
Synedra fragilarioidesP.E. Hargraves & R.R.L. Guillard image
Synedra fragilisE. Manguin Rev. Algol., ser. 2, 3: 123, pl. V: fig. 22 1957
Synedra fragilisE.E. Manguin image
Synedra frauenfeldiiA. Grunow image
Synedra frauenfeldii var. doljensisJ. Pantocsek image
Synedra frustulumF.T. Kützing image
Synedra fuchsi(J. Pantocsek) H.-J. Schrader image
Synedra fulgens(R.K. Greville) W. Smith image
Synedra fulgens f. gigantea(H.S. Lobarzewski) G.L. Rabenhorst image
Synedra fulgens f. minorG.L. Rabenhorst image
Synedra fulgens var. conspicuaGrunow ex Gemeinhardt Pflanzenforschung 6: 32 1926
Synedra fulgens var. dalmaticaA. Grunow image
Synedra fulgens var. eximiaA. Grunow image
Synedra fulgens var. fenestrataV. Zanon Bollettino di pesca, piscicoltura e idrobiologia 3: 210, fig. 8 1948
Synedra fulgens var. maeoticaJ. Pantocsek image
Synedra fulgens var. mediterraneaA. Grunow image
Synedra fusidioidesG.L. Rabenhorst image
Synedra fusidiumF.T. Kützing image
Synedra gaillonii(J.B.G.G.M. Bory) C.G. Ehrenberg image
Synedra gaillonii f. constrictaS.P. Petkoff image
Synedra gaillonii f. longiorS.P. Petkoff image
Synedra gaillonii f. minorM. Peragallo image
Synedra gaillonii var. crystallina(C.A. Agardh) G.L. Rabenhorst image
Synedra gaillonii var. elongataH. Peragallo & M. Peragallo Diatomées Marines de France: pl. LXXX: fig. 7 (desc. on p. 315, 1901) 1900
Synedra gaillonii var. longipesC.S. Singh image
Synedra gaillonii var. macilentaA. Grunow image
Synedra gaillonii var. majorB. Komarovsky & T. Edelstein image
Synedra gaillonii var. minorF.T. Kützing image
Synedra gaillonii var. minorKützing Bacillarien: 68, pl. 30: fig. 41 1844
Synedra gaillonii var. minorW. Carruthers image
Synedra gandhiiGuiry & Karthick in Guiry et al. Notulae algarum 133: 8, description and illustration in Gandhi (1998: 81, pl. IV: fig. 200) 2020
Synedra gaussiiH. Heiden image
Synedra gaussii var. trigibbaH. Heiden image
Synedra gelida(M. Peragallo) A. Mann image
Synedra gelidaJ. Frenguelli image
Synedra gibbaC.G. Ehrenberg image
Synedra gibbosaJ. Ralfs image
Synedra gibbosaRalfs in Pritchard Hist. Inf. ed. 4: 786 1861
Synedra giganteaC.G. Ehrenberg image
Synedra giganteaH.S. Lobarzewski image
Synedra gloiophilaGrunow in Van Heurck Syn. Diat. Belg.: Pl. XL: fig. 21 1881
Synedra gomphonemaC. Janisch & G.L. Rabenhorst image
Synedra goulardii var. acusJ. Frenguelli image
Synedra goulardii var. fluviatilis(E.J. Lemmermann) J. Frenguelli image
Synedra goulardii var. jeniseyensisB.V. Skvortzov image
Synedra goulardii var. mongolica(B.V. Skvortzov) B.V. Skvortzov image
Synedra goulardii var. teletzkensisV.S. Poretzky in Proshkina-Lavrenko & Sheshukova (eds.) Diatomovyi Sbornik: 146, fig. 5, text-fig. 2 1953
Synedra goulardii_('goulardi')L.A. Brebisson image
Synedra gracilisF.T. Kützing image
Synedra gracilis var. barbatulaA. Grunow image
Synedra gracilis var. italicaG.L. Rabenhorst image
Synedra gracilis var. septentrionalisA. Grunow image
Synedra gracillimaG.L. Rabenhorst image
Synedra gracillimaG.L. Rabenhorst image
Synedra grandisK.S. Mereschkowsky image
Synedra grandisMereschkowsky Zap. Novorossijsk. Obshch. Estestvoisp. 24{2}: 46, 66, figs. 4-8 1902
Synedra grandisMereschkowsky Ann. & Mag. Nat. Hist., ser. 7, 7: 513, no fig. 1901
Synedra grandis var. rostrataK.S. Mereschkowsky image
Synedra groveiA. Grunow image
Synedra hamataW. Smith image
Synedra hantzschianaA. Sournia image
Synedra hartiiB.J. Cholnoky image
Synedra hastataG.L. Rabenhorst image
Synedra helveticaA. Brutschy image
Synedra hemicyclusC.G. Ehrenberg image
Synedra hemicyclusC.G. Ehrenberg image
Synedra hemicyclusEhrenberg Ber. K. Akad. Wiss. Berlin 1838: 6 1838
Synedra hemicyclusEhrenberg Ber. K. Akad. Wiss. Berlin 1837: 45 1837
Synedra hemicyclusEhrenberg Ber. K. Akad. Wiss. Berlin 1840: 217 1840
Synedra hennedyana f. longissimaA. Grunow image
Synedra hennedyanaGregory Trans. Roy. Soc, Edinburgh 21: 532, pl. XIV: fig. 108 1857
Synedra hennedyana var. capillarisF. Meister image
Synedra hennedyana var. insignis(Grunow) Gemeinhardt Pflanzenforschung 6: 33 1926
Synedra hennedyana var. undulata(Bailey) Schwarz image
Synedra hennedyanaW. Gregory image
Synedra holsatiaeV. Hensen image
Synedra homostriataM.H. Hohn image
Synedra hyalinaS. Prowazek image
Synedra hyperboreaA. Grunow image
Synedra hyperboreaGrunow in Cleve Vega-Exped. Vet. Iaktt. 3: 482 1883
Synedra hyperboreaGrunow Denkschr. Kaiserlich. Akad. Wiss. [Wien], Math.-Naturwiss. Cl. 48{2}: 106. pl. II(B): fig. 4 1884
Synedra hyperborea var. brevisA. Grunow image
Synedra hyperborea var. flexuosaA. Grunow image
Synedra hyperborea var. parvulaA.A. Aleem image
Synedra hyperborea var. rostellataA. Grunow image
Synedra inaequalisH. Kobayasi in H. Kobayasi et al. Diatom 3: 9, pl. 1: figs. 2-7; pl. 2: figs. 8-13 1987
Synedra inaequalis var. jumlensisI. Jüttner & E.J. Cox in I. Jüttner, E.J. Cox, & S.J. Ormerod Diatom Research 15: 249, figs. 26-37 2000
Synedra incertaK.S. Mereschkowsky image
Synedra incisaC.S. Boyer image
Synedra incisaG.L. Rabenhorst image
Synedra incurvaC.G. Ehrenberg image
Synedra indicaF.J.R. Taylor Nova Hedwigia 12: 440, pl. 90(3): figs. 22-24 1967
Synedra inflataHeiden Mitth. Mecklenb. Geol. Landesanst. 10{21}: 14, fig. 19 1900
Synedra inflexaK.E. Eichwald image
Synedra interruptaB. Auerswald image
Synedra investiens f. rhomboideaF. Hustedt image
Synedra investiens var. capensisA. Grunow image
Synedra investiens var. fragilarioidesA. Grunow image
Synedra investiens var. genuinaA. Grunow image
Synedra investiens var. gomphonemaceaA. Grunow image
Synedra investiens var. hyperboreaA. Grunow image
Synedra investiens var. hyperboreaGrunow in Cleve & Möller Diatoms: no. 314 1882
Synedra investiensW. Smith image
Synedra isabelaeR.M. Patrick image
Synedra isabelae var. minorR.M. Patrick image
Synedra italicaG.L. Rabenhorst image
Synedra japonicaB.V. Skvortzov image
Synedra japonicaF. Meister Arch. Hydrobiol. 8: 307, 312, pl. IV: figs. 5, 6 1913
Synedra jogensisH.P. Gandhi image
Synedra joursacensisHeribaud image
Synedra jouseana f. linearisV.S. Sheshukova-Poretskaya image
Synedra jouseanaV.S. Sheshukova-Poretskaya Uchen. Zap. Leningradsk. Univ. 313(=Biol. Nauk 49): 208, fig. 4 1962
Synedra julianaG. De Notaris image
Synedra juranyi_('jurányi')J. Pantocsek image
Synedra kamtschaticaA. Grunow image
Synedra kamtschatica var. connectensA. Grunow image
Synedra kamtschatica var. finnmarchicaP.T. Cleve & A. Grunow image
Synedra kamtschatica var. intermediaA. Grunow image
Synedra kamtschatica var. kjellmaniP.T. Cleve & A. Grunow image
Synedra kamtschatica var. minorA. Grunow image
Synedra karcheriT. Nemoto image
Synedra karsteniiMigula Krypt.-Fl. Deutschl., Alg. 1: 196, pl. VII.C: fig. 16 1905
Synedra kashyapiensJ.N. Misra image
Synedra kerguelensisH. Heiden image
Synedra kerguelensis var. antarcticaJ. Frenguelli & H.A. Orlando Publ. Inst. Antárt. Argent. 5: 110, pl. IV: figs. 9-16 1958
Synedra kinkerii(J. Pantocsek) A. Jurilj image
Synedra koganiiV.I. Mikhailov Bot. Zhurn. 71: 1398, pls. I, II 1986
Synedra koreanaB.V. Skvortzov image
Synedra laevigataA. Grunow image
Synedra laevigata var. angustataA. Grunow image
Synedra laevigata var. hyalinaA. Grunow image
Synedra laevigata var. hyalinaGrunow Month. Micr. J. 18: 166, pl. CXCIII: fig. 5 1877
Synedra laevigata var. obtusiusculaA. Grunow image
Synedra laevigata var. thauensisM. Peragallo image
Synedra laevisC.G. Ehrenberg image
Synedra laevissima var. fossilisA. Grunow image
Synedra lanceolata f. brevisH.F. Van Heurck image
Synedra lanceolata f. longiorH.F. Van Heurck image
Synedra lanceolataF.S. Castracane degli Antelminelli image
Synedra lanceolataF.T. Kützing image
Synedra lanceolataKützing Bacillarien: 66, pl. 30: fig. 31 1844
Synedra lanceolata var. abreviataPantocsek Pozsyonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 23: 29, pl. II: fig. 47 1913
Synedra lanceolata var. thaitiensisF.S. Castracane degli Antelminelli image
Synedra lancettula(A. Grunow) A. Cleve-Euler image
Synedra lata(Giffen) A. Witkowski in A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 81 2000
Synedra lemmermannii_('lemmermanni')West & G.S. West image
Synedra lenziG. Krasske image
Synedra lenzii_('lenzi')G. Krasske Arch. Hydrobiol. 35: 554, pl. XIX: fig3. 3-7 1939
Synedra libycaF.T. Kützing image
Synedra licentii_('Licenti')Skvortzov Publ. Mus. Hoangho Paiho Tien Tsin 36: 6, pl. 1: fig. 9 1935
Synedra limneticaE.J. Lemmermann image
Synedra lineaC.G. Ehrenberg image
Synedra linearisC.G. Ehrenberg image
Synedra lineataC.G. Ehrenberg image
Synedra lismorensisG.I. Playfair image
Synedra longicepsC.G. Ehrenberg image
Synedra longissima var. acicularisF. Meister image
Synedra longissima var. vulgarisF. Meister image
Synedra longissimaW. Smith image
Synedra lunarisC.G. Ehrenberg image
Synedra lunarisEhrenberg Abh. Königl. Akad. Wiss. Berlin, Phys. Kl. 1831: 87 1832
Synedra lunaris var. bilunaris(C.G. Ehrenberg) J.-J. Brun image
Synedra lunaris var. campyla(F.W. Hilse) O. Kirchner image
Synedra lunaris var. capitataA. Grunow image
Synedra lunaris var. capitataGrunow Verh. K.K. Zool.-Bot. Ges. Wien 12: 389 1862
Synedra lunaris var. genuinaA. Grunow image
Synedra lunaris var. genuinaA. Grunow image
Synedra lunaris var. genuinaGrunow Verh. K.K. Zool.-Bot. Ges. Wien 12: 389 1862
Synedra lunaris var. undulataG.L. Rabenhorst image
Synedra lunulaC.G. Ehrenberg image
Synedra macropteraC.G. Ehrenberg image
Synedra maeoticaJ. Pantocsek image
Synedra maeotica var. minorJ. Pantocsek image
Synedra magnaA.M. Edwards image
Synedra martensianaF.T. Kützing image
Synedra mauritianaA. Grunow image
Synedra mazamaensisH.E. Sovereign image
Synedra mazamaensisH.E. Sovereign ex Reimer in Patrick & Reimer Trans. Amer. Microscop. Soc. 79: 345 1960
Synedra mazamaensisH.E. Sovereign Trans. Amer. Microscop. Soc. 77: 111, pl. II: figs. 10-15 1958
Synedra mazamaensis var. changbaiensisW.M. Bao & C. Reimer Bulletin of Botanical Research [Harbin] 12: 357, pl. 1: fig. 2 1992
Synedra mesocampaL.A. Brebisson ex F.T. Kützing image
Synedra mesoleptaF.T. Kützing image
Synedra microcrepisG. Nygaard image
Synedra minuscula var. capitataB.V. Skvortzov image
Synedra minuscula var. latestriataE.V. Østrup image
Synedra minuscula var. undulataM. Peragallo image
Synedra minutaK.S. Mereschkowsky image
Synedra minutissimaF.T. Kützing image
Synedra minutissimaKützing Bacillarien: 63: pl. 3: fig. XXX 1844
Synedra minutissima var. pelliculosaF.T. Kützing image
Synedra minutissima var. pelliculosaKützing Sp. Alg.: 40 1849
Synedra miocenicaH.-J. Schrader image
Synedra monodii_('monodi')Guermeur Cat. Inst. Franc\*,. Afrique Noire 12: 27, pl. II: fig. 1 1954
Synedra montanaG. Krasske image
Synedra mucicolaF.T. Kützing image
Synedra multifasciataF.T. Kützing image
Synedra multifasicata(F.T. Kützing) F.T. Kützing image
Synedra mysticaR.E.M. Archibald image
Synedra nana f. capitataE.E. Manguin image
Synedra nanaMeister Kieselalg. Schweiz: 76, 233, pl. VIII: fig. 9 1912
Synedra nana var. nipponicaB.V. Skvortzov image
Synedra neapolitana(G.L. Rabenhorst) G.L. Rabenhorst image
Synedra netronoidesM.H. Hohn & J. Hellerman image
Synedra nipponicaB.V. Skvortzov image
Synedra nitzschii(F.T. Kützing) G.L. Rabenhorst image
Synedra nitzschiiRabenhorst Süssw.-Diat.: expl. pl. IV: fig. 1 1853
Synedra nitzschioides var. acuminataA. Grunow image
Synedra nitzschioides var. minorP.T. Cleve image
Synedra nitzschioides var. minutaA. Grunow image
Synedra nitzschioides_('nitschioides')A. Grunow image
Synedra normanianaGreville Quart. J. Micr. Sci., ser. 2, 2: 231, pl. X: figs. 1-3 1862
Synedra normanianaR.K. Greville image
Synedra notarisiiF.S. Castracane degli Antelminelli image
Synedra notataF.T. Kützing image
Synedra notataKützing Kieselschal. Bacill.: 65, pl. 3: fig. XXXIII 1844
Synedra nyansaeG.S. West J. Linn. Soc., London. Botany 38: 149, pl. 8: fig. 3 1907
Synedra oamaruensisH.-J. Schrader image
Synedra obtusaW. Smith image
Synedra ossiformisF.J.R. Taylor image
Synedra ostenfeldii(Willi Krieger) A. Cleve ex Stålberg Internationale Vereinigung für theoretische und angewandte Limnologie: Verhandlungen 9: 194, 196, 197 1940
Synedra oxyrhynchos var. amphicephalaA. Grunow image
Synedra oxyrhynchos var. genuinaA. Grunow image
Synedra oxyrhynchos var. undulataA. Grunow image
Synedra oxyrhynchusF.T. Kützing image
Synedra oxyrhynchusKützing Kieselschal. Bacill.: 66: pl. 14: figs. VIII.2, IX-XI 1844
Synedra oxyrhynchus var. acus(F.T. Kützing) O. Kirchner image
Synedra oxyrhynchus var. contracta(J. Schumann) F. Hustedt image
Synedra oxyrhynchus var. elongata(A. Grunow) O. Kirchner image
Synedra oxyrhynchus var. medioconstrictaA.I. Forti image
Synedra pachycephalaBrébisson & Kützing in Kützing Bot. Zeit. 4: 249 1846
Synedra pachycephalaL.A. Brebisson & F.T. Kützing image
Synedra pacificaA.M. Edwards image
Synedra paleaF.T. Kützing image
Synedra paleaceaC.G. Ehrenberg image
Synedra paleaceaC.G. Ehrenberg image
Synedra paludosaF. Meister image
Synedra paludosaMeister Kieselalg. Schweiz: 76, 233, pl. VII: fig. 8 1912
Synedra parasitica(W. Smith) F. Hustedt 1930 image
Synedra parasitica(W. Smith) Hustedt in Pascher Süssw.-Fl. 10: 161 1930
Synedra parasitica f. lataA. Cleve-Euler image
Synedra parasitica f. lataCleve-Euler K. Svenska Vet.-Akad. Handl., ser. 4, 4{1}: 56, fig. 372a,e 1953
Synedra parasitica var. subconstricta(Grunow) Hustedt in Pascher Süssw.-Fl. 10: 161 1930
Synedra parvaF.T. Kützing image
Synedra parvaKützing Bacillarien: 67, pl. 15: fig. IX (as Synedra parvula, corrected to parva in index, p. 152) 1844
Synedra parva var. bremianaJ. Pantocsek image
Synedra parva var. brevistriataA. Cleve-Euler image
Synedra parva var. chilensisA. Grunow image
Synedra parva var. majorA. Grunow image
Synedra parva var. sandvicensisA. Grunow image
Synedra parvula(F.T. Kützing) F.T. Kützing image
Synedra parvulaF.T. Kützing image
Synedra pelagicaA. Cleve-Euler image
Synedra pelagicaCleve-Euler Acta Univ. Lund. N.F. [Lunds Univ. A\*orsskr., ser. 2], Avd. 2, 33{9}: 45, fig. 16 1937 (after 2.vi)
Synedra pelagicaN.I. Hendey image
Synedra perexiguaA. Cleve-Euler Kongl. Svenska Vet. Akad. Handl., ser. 4, 4{1}: 60, fig. 380c 1953
Synedra perminutaGrunow in Van Heurck Syn. Diat. Belg.: Pl. XL: fig. 23 1881
Synedra perpusillaF.T. Kützing image
Synedra phantasmaM.H. Hohn image
Synedra philippinarumF.S. Castracane degli Antelminelli image
Synedra philippinarum var. gallicaK.S. Mereschkowsky image
Synedra planktonicaJ.J. Hains & M.M. Sebring Trans. Amer. Microscop. Soc. 100: 160, figs. 2-9 1981
Synedra platensis var. obtusaJ. Frenguelli image
Synedra pliocenicaJ. Heribaud & M. Peragallo image
Synedra polymorpha(J. Pantocsek & A. Grunow) H.-J. Schrader image
Synedra porrectaG.L. Rabenhorst image
Synedra praemorsaC.G. Ehrenberg image
Synedra provincialisA. Grunow image
Synedra provincialis var. tortuosaA. Grunow image
Synedra pseudogoulardiiE.E. Manguin image
Synedra puellarisE. Messikommer image
Synedra pulchella f. constrictaB. Liebetanz image
Synedra pulchella f. constrictaF. Hustedt image
Synedra pulchella f. constrictaLiebetanz Bull. Int. Acad. Polon., Sc. et Lett., Cl. Sc. Math. et Nat., ser. B, 1925: 110, pl. 4: figs. 1, 2 1925
Synedra pulchella f. majorA. Grunow image
Synedra pulchella f. majorH.F. Van Heurck image
Synedra pulchella f. obtusaE.V. Østrup image
Synedra pulchella f. subconstrictaP. Schulz-Danzig image
Synedra pulchellaF.T. Kützing image
Synedra pulchella var. acicularis(W. Smith) E. O'Meara image
Synedra pulchella var. capitataJ. Pantocsek image
Synedra pulchella var. fasciculata(C.A. Agardh) G.L. Rabenhorst image
Synedra pulchella var. flexellaC.S. Boyer image
Synedra pulchella var. genuinaF.T. Kützing image
Synedra pulchella var. gracilisE. O'Meara image
Synedra pulchella var. grunowiiJ. Frenguelli image
Synedra pulchella var. kitaibeliiG. Istvanfy de Csík de Madefalva image
Synedra pulchella var. lacerataF. Hustedt image
Synedra pulchella var. lanceolataE. O'Meara image
Synedra pulchella var. lanceolataO'Meara Proc. Roy. Irish Acad., ser. 2, 2(Sci.): 304, pl. 28: fig. 20 1875
Synedra pulchella var. linearisE. O'Meara image
Synedra pulchella var. macrocephalaA. Grunow image
Synedra pulchella var. macrocephalaGrunow Kongl. Svenska Vetensk.-Akad. Handl., ser. 4, 17{2}: 107 1880
Synedra pulchella var. minutaF. Hustedt image
Synedra pulchella var. minutissima(F.T. Kützing) G.S. West image
Synedra pulchella var. minutissimaA. Grunow image
Synedra pulchella var. naviculaceaA. Grunow image
Synedra pulchella var. oblongaT. Marsson Zeitschrift für angewandte Mikroskopie und klinische Chemie 6: 227 1900
Synedra pulchella var. saxonica(F.T. Kützing) A. Grunow image
Synedra pulchella var. smithii(J. Ralfs) H.F. Van Heurck image
Synedra pulchella var. socialis(G.L. Rabenhorst) G.L. Rabenhorst image
Synedra pulchella var. subcapitataJ. Pantocsek image
Synedra pulchella var. tenuistriataA. Grunow image
Synedra pulcherrimaC.A. Hantzsch image
Synedra punctataE.V. Østrup image
Synedra pusillaF.T. Kützing image
Synedra putealisE. O'Meara image
Synedra putridaF.J. Cohn image
Synedra quadrangulaF.T. Kützing image
Synedra radiansF.T. Kützing image
Synedra radiansKützing Bacillarien: p. 64, pl. 14: fig. VII: 1-4. 1844
Synedra radians var. debilis(F.T. Kützing) G.L. Rabenhorst image
Synedra radians var. tenuissimaRabenhorst image
Synedra ramesiJ. Heribaud image
Synedra recavaM.H. Hohn image
Synedra regalisF.J.R. Taylor Nova Hedwigia 12: 441, pl. 91(4): figs. 31-33 1967
Synedra reinboldiiH.F. Van Heurck image
Synedra rennellensisN. Foged image
Synedra revaliensisE.J. Lemmermann image
Synedra revaliensisE.J. Lemmermann image
Synedra ridicaM.H. Hohn & J. Hellerman image
Synedra robusta f. mediocrisG.L. Rabenhorst image
Synedra robusta f. vittataG.L. Rabenhorst image
Synedra robustaJ. Ralfs image
Synedra robusta var. sinicaB.V. Skvortzov image
Synedra romana(G.L. Rabenhorst) G.L. Rabenhorst image
Synedra rosenkrantziiN. Foged image
Synedra rostrata(C.A. Hantzsch) G.L. Rabenhorst image
Synedra rostrataC.G. Ehrenberg image
Synedra rostrataF. Meister image
Synedra rostrata F. Meister Arch. Hydrobiol. 8: 307, 312, pl. IV: fig. 7 1913
Synedra rostrataJ. Pantocsek & P. Greguss image
Synedra rostrataJ. Pantocsek image
Synedra rumpens f. constrictaF. Hustedt image
Synedra rumpens f. curtaA. Mayer Denkschr. K. Bayer. Bot. Ges. 13: 22, pl. I: fig. 31 1917
Synedra rumpens f. majorE.V. Østrup image
Synedra rumpens f. nipponicaB.V. Skvortzov image
Synedra rumpensF.T. Kützing image
Synedra rumpensKützing Bacillarien: 69, pl. 16: fig. VI.4,5 1844
Synedra rumpens var. familiaris(F.T. Kützing) V.S. Poretzky image
Synedra rumpens var. familiaris(Kützing) Gemeinhardt Pflanzenforschung 6: 18 1926
Synedra rumpens var. fragilarioidesA. Grunow image
Synedra rumpens var. fusaR.M. Patrick Proc. Acad. Nat. Sci. Philadelphia 92: 218, pl. 8: figs 6-8 1940
Synedra rumpens var. genuinaA. Grunow image
Synedra rumpens var. islandicaE.V. Østrup image
Synedra rumpens var. meneghinianaA. Grunow image
Synedra rumpens var. meneghinianaGrunow in Van Heurck Syn. Diat. Belg.: pl. XL: fig. 13 1881
Synedra rumpens var. nipponicaB.V. Skvortzov image
Synedra rumpens var. okamuraeB.V. Skvortzov image
Synedra rumpens var. robustaE.E. Manguin image
Synedra rumpens var. scoticaA. Grunow image
Synedra rumpens var. scoticaGrunow in Van Heurck Syn. Diat. Belg.: pl. XL: fig. 11 1881
Synedra rumpens var. sinicaB.V. Skvortzov image
Synedra salinaW. Smith image
Synedra salinarumJ. Pantocsek image
Synedra sauvinetiP.C.M. Petit image
Synedra saxonicaF.T. Kützing image
Synedra scalarisC.G. Ehrenberg image
Synedra scalarisC.G. Ehrenberg image
Synedra scalarisEhrenberg Abh. K. Akad. Wiss. Berlin, Physik. Kl. 1841: 425, pl. II: fig. II.18 1843
Synedra sceptrum f. fossilisR. Gutwinski image
Synedra sceptrumR. Gutwinski image
Synedra sceptrum var. mesoleptaR. Gutwinski image
Synedra sceptrum var. mesoleptaR. Gutwinski image
Synedra schaarschmidtiiA. Kanitz image
Synedra schaarschmidtii var. alessianaJ. Schaarschmidt image
Synedra schroeteriF. Meister image
Synedra schroeteri_('Schröteri')Meister Kieselalg. Schweiz: 76, 233, pl. IX: fig. 1 1912
Synedra schumanniG.L. Rabenhorst image
Synedra schumannii_(`schumanni')Rabenhorst Fl. Eur. Alg. 1: 129 1864
Synedra scinaM.H. Hohn & J. Hellerman image
Synedra scotica(Grunow) A. Mayer Denkschr. K. Bayer. Bot. Ges. 13: 22 1917
Synedra scotica var. undulataA. Mayer Denkschr. K. Bayer. Bot. Ges. 13: 23, pl. I: fig. 33 1917
Synedra septataP.L. Crouan & H.M. Crouan image
Synedra siculaCastracane Atti dell'Accademia Pontificia de'Nuovi Lincei 28: 396, fig. 7 1875
Synedra sigmaF.T. Kützing image
Synedra sigmoidea(Nitzsch) Kützing image
Synedra sigmoideaC.G. Ehrenberg image
Synedra simbirskiana(A. Grunow & J. Pantocsek) H.-J. Schrader image
Synedra simbirskianaA. Grunow image
Synedra smithiiE. O'Meara image
Synedra smithiiJ. Ralfs image
Synedra sociaJ.H. Wallace Not. Nat. Acad. Nat. Sci. Philadelphia 331: 1, pl. 1: fig. 1 1881
Synedra socialisG.L. Rabenhorst image
Synedra spathulataA.F.W. Schimper image
Synedra spathulataE. O'Meara image
Synedra spathuliferaGrunow in Van Heurck Syn. Diat. Belgique: pl. XXXVIII: fig. 4 1881
Synedra spectabilisC.G. Ehrenberg image
Synedra sphaerophoraF. Meister image
Synedra spinulaeformisW. Smith image
Synedra splendens(F.T. Kützing) F.T. Kützing image
Synedra splendens(Kützing) Kützing Kieselschal. Bacill.: 66 1844
Synedra splendens var. aequalis(F.T. Kützing) A. Grunow image
Synedra splendens var. danica(F.T. Kützing) A. Grunow image
Synedra splendens var. debilisG.L. Rabenhorst image
Synedra splendens var. interrupta(B. Auerswald) Rabenhorst image
Synedra splendens var. longissima(W. Smith) A. Grunow image
Synedra splendens var. obtusa(W. Smith) Grunow image
Synedra splendens var. radians(F.T. Kützing) E. O'Meara image
Synedra splendens var. vitrea(F.T. Kützing) G.L. Rabenhorst image
Synedra splendidaC.G. Ehrenberg image
Synedra stauroneisC.G. Ehrenberg image
Synedra stelaM.H. Hohn & J. Hellerman image
Synedra strangulataV. Zanon image
Synedra striataC.G. Ehrenberg image
Synedra strictaG.H.H. Karsten image
Synedra striolataC.G. Ehrenberg image
Synedra subaequalis f. curvataJ. Pantocsek image
Synedra subaequalisGrunow in Van Heurck Syn. Diat. Belgique: pl. XXXVIII: fig. 13 1881
Synedra subarcuataC.W. Nägeli ex F.T. Kützing image
Synedra subarcuataNägeli ex Kützing Sp. Alg.: 43 1849
Synedra subtilis(F.T. Kützing) F.T. Kützing image
Synedra subulaC.M. Sande Lacoste & W.F.R. Suringar image
Synedra subulaSande Lacoste & Suringar Ned. Kruidk. Arch. 5: 289 1861
Synedra subulataC.G. Ehrenberg image
Synedra superbaF.T. Kützing image
Synedra superba var. genuinaA. Grunow image
Synedra superba var. minorA. Grunow image
Synedra superba var. robusta(J. Ralfs) A. Grunow image
Synedra surianaJ. Pantocsek & P. Gregus image
Synedra szurdokpuespoekiensisM. Hajós image
Synedra tabulata(C.A. Agardh) Kützing image
Synedra tabulata f. angustaJ. Thomas & E.A. Gonzalves image
Synedra tabulata f. curtaH.F. Van Heurck image
Synedra tabulata f. densestriataM.E.K. Møller image
Synedra tabulata f. punctataM. Hajós image
Synedra tabulata var. acuminata(Grunow) Grunow ex Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 219 1932
Synedra tabulata var. affinis(Kützing) T. Marsson Zeitschrift für angewandte Mikroskopie und klinische Chemie 6: 229 1900
Synedra tabulata var. australisE.E. Manguin image
Synedra tabulata var. delicatula(A. Grunow) R. Ross image
Synedra tabulata var. fasciculata(C. Agardh) Grunow ex Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 218 1932
Synedra tabulata var. grandis(Mereschkowsky) Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 219 1932
Synedra tabulata var. jeniseyensisB.V. Skvortzov image
Synedra tabulata var. lataGiffen Bacillaria 3: 153, pl. 2: figs. 40, 41 1980
Synedra tabulata var. lataM.H. Giffen image
Synedra tabulata var. obtusa(Arnott ex Grunow) R. Ross Natl. Mus. Canada, Bull. 97: 185 1947
Synedra tabulata var. obtusa(Pantocsek) Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 219 1932
Synedra tabulata var. parva(Kützing) Grunow ex Hustedt Rabenhorst's Krypt.-Fl., ed. 2, 7{2}: 219 1932
Synedra tabulata var. tenuistriataF. Meister image
Synedra tabulata var. thalassotrix(P.T. Cleve) A.F. Schwarz image
Synedra taeniataJ. Pantocsek image
Synedra tenellaA. Grunow image
Synedra tenella var. brevisA. Grunow image
Synedra tenera f. acicularisA. Cleve-Euler image
Synedra tenera var. hinganicaB.V. Skvortzov image
Synedra tenera var. lanceolataE.V. Østrup image
Synedra tenera var. sinicaSkvortzov Publ. Mus. Hoangho Paiho Tien Tsin 36: 18, pl. 4: fig. 8 1935
Synedra teneraW. Smith image
Synedra tenuisF.T. Kützing image
Synedra tenuis var. subtilis(F.T. Kützing) J.-J. Brun image
Synedra tenuissima(F.T. Kützing) F.T. Kützing image
Synedra tenuistriataF. Meister image
Synedra tergestina(F.T. Kützing) F.T. Kützing image
Synedra thalassotrixP.T. Cleve image
Synedra thermalisF.T. Kützing image
Synedra tibialisJ.A. Tempère & J.-J. Brun image
Synedra tibialisTempère & J. Brun in Brun & Tempère Mém. Soc. Phys. et Hist. Nat. Genève 30{9}: 58, pl. VII: fig. 12 1889
Synedra tortuosaD.M. Williams & D. Metzeltin Diatom 20: 58, figs. 1-16 2004
Synedra toxoneidesCastracane Atti dell'Accademia Pontificia de'Nuovi Lincei 33: 105 1880
Synedra toxoneidesF.S. Castracane degli Antelminelli image
Synedra transylvanicaJ. Pantocsek image
Synedra tropicaA. Grunow image
Synedra truncata(Greville) Ralfs image
Synedra ulna(Nitzsch) Ehrenberg image
Synedra ulna f. arcuataE.V. Østrup image
Synedra ulna f. balatonis(J. Pantocsek) A. Cleve-Euler image
Synedra ulna f. biwensisB.V. Skvortzov & M. Noda image
Synedra ulna f. clavata Å.Berg image
Synedra ulna f. communisB.V. Skvortzov image
Synedra ulna f. constrictaAnt. Mayer image
Synedra ulna f. constrictaB.V. Skvortzov image
Synedra ulna f. continuaA. Cleve-Euler image
Synedra ulna f. contractaF. Hustedt image
Synedra ulna f. curta(B.V. Skvortzov) B.V. Skvortzov image
Synedra ulna f. curtaB.V. Skvortzov image
Synedra ulna f. inflataR. Maillard image
Synedra ulna f. latestriataE.V. Østrup image
Synedra ulna f. marinaG.L. Rabenhorst image
Synedra ulna f. mesocampa(L.A. Brebisson) G.L. Rabenhorst image
Synedra ulna f. pygmaeaAnt. Mayer image
Synedra ulna f. rostrata(J. Pantocsek) A. Cleve-Euler image
Synedra ulna f. rostrataAnt. Mayer image
Synedra ulna f. salina(W. Smith) West & G.S. West image
Synedra ulna f. staurodestituta_('stauro destituta')Pantocsek image
Synedra ulna f. strumosaO. Müller image
Synedra ulna f. subconstrictaAnt. Mayer image
Synedra ulna f. typicaAnt. Mayer image
Synedra ulna f. undulataH. Limanowska image
Synedra ulna f. undulataLimanowska Arch. Hydrobiol. 7: 364, fig. 1 1912
Synedra ulna f. vitrea(F.T. Kützing) A. Kurz image
Synedra ulna subsp. danica(Kützing) Skabichewski image
Synedra ulna var. actinastroidesE.J. Lemmermann image
Synedra ulna var. acuminataW. Carruthers image
Synedra ulna var. acus - - image
Synedra ulna var. acutissimaB.V. Skvortzov image
Synedra ulna var. aequalis(F.T. Kützing) F. Hustedt image
Synedra ulna var. aequalis(F.T. Kützing) J.-J. Brun image
Synedra ulna var. africanaF. Meister image
Synedra ulna var. amphirhynchus(C.G. Ehrenberg) A. Grunow image
Synedra ulna var. andinaE.E. Manguin image
Synedra ulna var. anhuiensisJ.G. Yang Bulletin of Botanical Research [Harbin] 10: 11, fig. 1 1990
Synedra ulna var. biceps(F.T. Kützing) O. Kirchner image
Synedra ulna var. bicurvata(Biene) A. Grunow image
Synedra ulna var. calcareaR. d'Aubert image
Synedra ulna var. chaseanaB.W. Thomas image
Synedra ulna var. clavicepsF. Hustedt image
Synedra ulna var. constrictaG.S. Venkataraman image
Synedra ulna var. constrictaVenkataraman Proc. Indian Acad. Sci., sect. B 10: 308, text-fig. 36 1939
Synedra ulna var. contracta Østrup Bot. Faeröes: 281, fig. 47 1901
Synedra ulna var. contractaE.V. Østrup image
Synedra ulna var. crassaØstrup Danske Diat.: 183, pl. V: fig. 111 1910
Synedra ulna var. crassaE.V. Østrup image
Synedra ulna var. crassaG.S. Venkataraman Proc. Natl. Inst. Sci. India, Biol. Sci. 23: 80, fig. 13 1957
Synedra ulna var. crassaG.S. Venkataraman, illeg. image
Synedra ulna var. crassaPantocsek Pozsyonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei 23: 29, pl. II: fig. 48 1913
Synedra ulna var. curtaAnt. Mayer image
Synedra ulna var. curtaM. Peragallo image
Synedra ulna var. danica(Kützing) Van Heurck image
Synedra ulna var. delicatula(Ant. Mayer) A.D. Hardy ex R.A. Townsend in Townsend & Guiry Notulae algarum 149: 1 2020
Synedra ulna var. dorsiventralis(O. Müller) B.J. Cholnoky image
Synedra ulna var. fonticolaF. Hustedt image
Synedra ulna var. fossilisJ. Pantocsek image
Synedra ulna var. genuinaA. Grunow image
Synedra ulna var. genuinaO. Kirchner image
Synedra ulna var. impressaF. Hustedt image
Synedra ulna var. intermediaK.S. Mereschkowsky image
Synedra ulna var. jeniseyensisB.V. Skvortzov image
Synedra ulna var. lanceolata(F.T. Kützing) H.F. Van Heurck image
Synedra ulna var. lanceolataA. Grunow image
Synedra ulna var. longirostris(A. Grunow) A. Cleve-Euler image
Synedra ulna var. longissima(W. Smith) J.-J. Brun image
Synedra ulna var. minimaA.M. Muzafarov image
Synedra ulna var. mongolicaB.V. Skvortzov image
Synedra ulna var. obtusa(W. Smith) H.F. Van Heurck image
Synedra ulna var. oxyrhynchus(F.T. Kützing) E. O'Meara image
Synedra ulna var. platycephalaE.E. Manguin image
Synedra ulna var. ramesi(J. Heribaud & Peragallo) F. Hustedt image
Synedra ulna var. recta(F.T. Kützing) R. Ross image
Synedra ulna var. repandaQ.X. Wang & Q.M. You in Q.M. You et al. Chinese Journal of Oceanology and Limnology 26: 419, fig. 1 2008
Synedra ulna var. salina(W. Smith) J. Schaarschmidt image
Synedra ulna var. siamenseM. Hirano image
Synedra ulna var. spathulifera(A. Grunow) H.F. Van Heurck image
Synedra ulna var. splendens(F.T. Kützing) O. Kirchner image
Synedra ulna var. subaequalis(A. Grunow) H.F. Van Heurck image
Synedra ulna var. subaequalisB.V. Skvortzov image
Synedra ulna var. subcontractaÖstrup in Héribaud Ann. Biol. Lacustre 10: 54, pl. VII: fig. 46 1920
Synedra ulna var. subcontractaE.V. Østrup image
Synedra ulna var. tenuirostrisB.V. Skvortzov image
Synedra ulna var. tenuirostrisF. Hustedt image
Synedra ulna var. tergestina(F.T. Kützing) G.L. Rabenhorst image
Synedra ulna var. tergestinaF.T. Kützing image
Synedra ulna var. thalheimiiO. Kirchner image
Synedra ulna var. tolstensisRattray Trans. Royal Soc. Edinburgh 33: 437, pl. XXIX: fig. 12 1888
Synedra ulna var. undulataA. Grunow image
Synedra ulna var. vastaJ. Pantocsek image
Synedra ulna var. vitrea(F.T. Kützing) H.F. Van Heurck image
Synedra undosaA. Grunow image
Synedra undulansW. Gregory image
Synedra undulata(Bailey) W. Smith image
Synedra undulataBailey image
Synedra undulataJ. Schumann image
Synedra undulataSchumann Schr. Königl. Phys.-Ökon. Ges. Königsberg 3(Abh.): 186, pl. VIII: fig. 24 1863
Synedra undulata var. curvataH. Heiden image
Synedra ungeriana(A. Grunow) D.M. Williams image
Synedra utermoehlii("untermöhlii") F. Hustedt image
Synedra utermoehlii_(`utermöhlii')Hustedt Rabenhorst's Krypt.-Fl. 7{2}: 185, fig. 687 1932
Synedra valensC.G. Ehrenberg image
Synedra van-heurckii_('VanHeurcki') J.-J. Brun image
Synedra vaucheriae(F.T. Kützing) F.T. Kützing image
Synedra vaucheriae f. brevisAnt. Mayer image
Synedra vaucheriae f. lanceolataAnt. Mayer image
Synedra vaucheriae f. typicaAnt. Mayer image
Synedra vaucheriae var. capitataB.V. Skvortzov image
Synedra vaucheriae var. capitellata(Grunow) Hustedt image
Synedra vaucheriae var. deformisA. Grunow image
Synedra vaucheriae var. deformisGrunow in Van Heurck Syn. Diat. Belg.: pl. XL: fig. 18 1881
Synedra vaucheriae var. distansA. Grunow image
Synedra vaucheriae var. distansGrunow in Van Heurck Syn. Diat. Belg.: pl. XL: fig. 17 1881
Synedra vaucheriae var. fasciculata(C.A. Agardh) Brun image
Synedra vaucheriae var. genuinaH.F. Van Heurck image
Synedra vaucheriae var. inflataE.E. Manguin image
Synedra vaucheriae var. jeniseyensisB.V. Skvortzov image
Synedra vaucheriae var. minutissima(F.T. Kützing) Brun image
Synedra vaucheriae var. parvula(F.T. Kützing) G.L. Rabenhorst image
Synedra vaucheriae var. perminuta(A. Grunow) H.F. Van Heurck image
Synedra vaucheriae var. rhomboidalisAnt. Mayer image
Synedra vaucheriae var. septentrionalisØstrup Medd. Grønland 43: 250, pl. XIV: fig. 19 1910
Synedra vaucheriae var. septentrionalisE.V. Østrup image
Synedra vaucheriae var. sigmoideaB.V. Skvortzov image
Synedra vaucheriae var. tenuiorA. Grunow image
Synedra vaucheriae var. truncata(R.K. Greville) G.L. Rabenhorst image
Synedra vaucheriae var. undulataAnt. Mayer image
Synedra ventricosaG.L. Rabenhorst image
Synedra vermicularis(F.T. Kützing) F.T. Kützing image
Synedra vermicularis(Kützing) Kützing Bacillarien: 67 1844
Synedra vertebraW. Gregory image
Synedra victoriaeJ. Woloszynska image
Synedra virginalisF.T. Kützing image
Synedra vitrea f. angustiorA. Grunow image
Synedra vitrea f. longirostrisA. Grunow image
Synedra vitreaF.T. Kützing image
Synedra vitrea var. distortaF. Meister image
Synedra wigandiiG.L. Rabenhorst image
Synedra wigandiiRabenhorst Fl. Eur. Alg. 1: 128 1864