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
PLANOTHIDIUMF.E. Round & L. Bukhtiyarova image
PLANOTHIDIUMF.E. Round & L.N. Bukhtiyarova Diatom Research 11: 351 1996
Planothidium abbreviatum(Reimer) M. Potapova Diatom Res. 27: 40 2012
Planothidium africanumB. Van de Vijver, B. Gogne, G. Hoogsteyns, L. Van de Velde, L. Vlaminck, S.A. Kabota, L. Teunen & C.E. Wetzel Phytotaxa 585: 282, figs. 1-35 2023
Planothidium alekseevaeR.M. Gogorev & E.K. Lange Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 49: 15, pl. I: figs. 1-15; pl. II: figs. 3-5 2015
Planothidium amphibiumC.E. Wetzel, L. Ector & L. Pfister in Wetzel et al. Plant Ecology and Evolution 147: 444, figs. 3A-AS, 4 2014
Planothidium angustilanceolatumH. Lange-Bertalot & M. Cantonati in Cantonati et al. Diversity 13, 549: 9, figs. 4, 5 2021
Planothidium apiculatum(R. Patrick) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 274 1999
Planothidium apiculatum(R. Patrick) L.C. Torgan Iheringia 52: 133 1999
Planothidium apiculatum(R. Patrick) R. Lowe in J.R. Johansen et al. Arch. Hydrobiol. Suppl. 150 (Algol. Stud. 111): 24 2004
Planothidium asymmetricumR.M. Gogorev & E.K. Lange Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 49: 15, pl. III: figs. 13, 15 2015
Planothidium aueri(Krasske) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium australe(É. Manguin) R. Le Cohu Arch. Hydrobiol. Suppl. 157 (Algol. Stud. 116): 90 2005
Planothidium australodelicatulumB. Van de Vijver, C.E. Wetzel, & L. Ector Fottea 18: 206, figs. 47-71 2018
Planothidium bagualense_('bagualensis')C.E. Wetzel & L. Ector Phytotaxa 156: 203, figs. 2-19 2014
Planothidium bahlsii(M. Potapova) M.S. Kulikovskiy, A.M. Glushchenko & J.P. Kociolek in Kulikovskiy et al. Fottea, Olomouc 20: 65 2020
Planothidium baicalacutumM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium baicalense_('baicalensis')(Skvortzov & K.I. Meyer) M.B. Edlund in M.B. Edlund, N. Soninkhishig, R.M. Williams, & E.F. Stoermer Nova Hedwigia 72: 87 2001
Planothidium baicalopumilumM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium baicalorhombicumM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium baicalrostratumM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium bilense_('bilensis')L.N. Bukhtiyarova Algologia 27: 7, figs. 5-27 2017
Planothidium biporomum(M.H. Hohn & J. Hellerman) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium borneolanceolatum(H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium brasilienseC.E. Wetzel & S. Blanco in Wetzel et al. Fottea 19: 58, figs. 211-217 2019
Planothidium calcar(Cleve) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 353 1996
Planothidium calcar(Cleve) M.B. Edlund in M.B. Edlund, N. Soninkhishig, R.M. Williams, & E.F. Stoermer Nova Hedwigia 72: 88 2001
Planothidium calcar(Cleve) Round & Bukhtiyarova image
Planothidium campechianum(Hustedt) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 118 2000
Planothidium caputiumJ. Zimmermann & R. Jahn in Zimmermann et al. PLOS One 9: 16, fig. 4.3a-h 2014
Planothidium cavilanceolatumC.E. Wetzel, M.G. Kelly & B. Van de Vijver in Wetzel et al. Fottea 19: 62, figs. 464-521 2019
Planothidium chilense(Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium compereiC.E. Wetzel, K.R. N'Guessan & J. Tison-Rosebery in N'Guessan et al. Plant Ecology and Evolution 147: 456, figs. 1A-M, 2 2014
Planothidium conspicuum(A. Mayer) M. Aboal in A. Witkowski (ed.), Diat. Monogr. 4: 163 2003
Planothidium cryptolanceolatumR. Jahn & N. Abarca in Jahn et al. Diatom Research 32: 100, figs. 59-75 2017
Planothidium curtistriatumC.E. Wetzel, B. Van de Vijver, & L. Ector in Wetzel et al. Fottea 19: 61, figs. 386-414, 444-456 2019
Planothidium cyclophorum(Heiden) B. Van de Vijver in B. Van de Vijver, Y. Frenot, & L. Beyens Biblioth. Diatomol. 46: 99 2002
Planothidium daui(Foged) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium decipiensM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium delicatulum(Kützing) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 353 1996
Planothidium delicatulum(Kützing) Round & Bukhtiyarova image
Planothidium delicatulum f. minus_('minor')R.M. Gogorev & E.K. Lange Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 49: 21-22, pl. VI: figs. 1-8 2015
Planothidium densistriatumB. Van de Vijver & L. Beyens in B. Van de Vijver, Y. Frenot, & L. Beyens Biblioth. Diatomol. 46: 100, pl. 25 2002
Planothidium deperditum(Giffen) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 119 2000
Planothidium diplopunctatum(R. Simonsen) Witkowski & Lange-Bertalot in Kusber et al., Notulae Algarum 287: 2 2023
Planothidium diplopunctatum(Simonsen) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 119 2000
Planothidium dispar(Cleve) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 120 2000
Planothidium distinctum(E. Messikommer) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium dubium(Grunow) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium dubium(Grunow) Round & Bukhtiyarova image
Planothidium ellipticum(Cleve) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium ellipticum(Cleve) M.B. Edlund in M.B. Edlund, N. Soninkhishig, R.M. Williams, & E.F. Stoermer Nova Hedwigia 72: 88 2001
Planothidium ellipticum(Cleve) Round & Bukhtiyarova image
Planothidium engelbrechtii(Cholnoky) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 353 1996
Planothidium engelbrechtii(Cholnoky) Round & Bukhtiyarova image
Planothidium fonticolanceolatum(H. Lange-Bertalot & H. Schimanski) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 275 1999
Planothidium fossile(Tempère & H. Peragallo) R. Lowe in J.R. Johansen et al. Arch. Hydrobiol. Suppl. 150 (Algol. Stud. 111): 24 2004
Planothidium fragilarioides(J.B. Petersen) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium fragilarioides(J.B. Petersen) Round & Bukhtiyarova image
Planothidium frequentissimum(H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium frequentissimum(Lange-Bertalot) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium frequentissimum(Lange-Bertalot) Round & Bukhtiyarova image
Planothidium frequentissimum var. magnum(F. Straub) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium frequentissimum var. minus(P. Schulz) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium galaicumI. Álvarez-Blanco & S. Blanco Phytotaxa 151: 45, figs. 2-25 2013
Planothidium gallicumC.E. Wetzel & L. Ector in Wetzel et al. Fottea 19: 56, figs. 164-185, 224-229 2019
Planothidium granum(M.H. Hohn & J. Hellerman) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium grimmei(Krasske) I.W. Bishop & S.A. Spaulding in Bishop et al. Beih. Nova Hedwigia 147: 272 2018
Planothidium hauckianum(Grunow) F.E. Round & L.N. Bukhtiyarova in Bukhtiyarova International Journal on Algae 10: 67 2008
Planothidium hauckianum(Grunow) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 353 1996
Planothidium hauckianum(Grunow) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters: 44 1999
Planothidium hauckianum var. rhombicum(Zabelina) Gogorev Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] 37: 37 2004
Planothidium hauckianum var. rostratum(Schulz ex Hustedt) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters 44, 94 1999
Planothidium hauckianum var. rostratum(Schulz ex Hustedt) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 415 2000
Planothidium hauckianum var. rostratum_('rostrata')(P. Schulz) L.C. Torgan Iheringia 52: 134 1999
Planothidium haukianum(Grunow) Round & Bukhtiyarova image
Planothidium haynaldii(Schaarschmidt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium heidenii(Schulz) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 120 2000
Planothidium heteromorphum(Grunow) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 276 1999
Planothidium hinzianumC.E. Wetzel, B. Van de Vijver, & L. Ector in Wetzel et al. Fottea 19: 61, figs. 415-439, 457-463 2019
Planothidium holstii(Cleve) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium iberenseL. Rovira & A. Witkowski in Rovira, Witkowski, Trobajo, Ruppel & Ibáñez Diatom Research 26: 100, figs. 2-24 2011
Planothidium incuriatumC.E. Wetzel, B. Van de Vijver & L. Ector in Wetzel et al. Phytotaxa 138: 49, figs. 19-36, 51-89 2013
Planothidium infrequensH. Lange-Bertalot & U. Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 212, pl. 27: figs. 3-9 2000
Planothidium intermediumbaicaleM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium jacobii(Manguin) D. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 11: 56 2003
Planothidium jan-marcinii(A. Witkowski, D. Metzeltin & H. Lange-Bertalot) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 121 2000
Planothidium joursacense(Héribaud) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium juandenovenseC. Riaux-Gobin & A. Witkowski in Riaux-Gobin et al. Fottea 18: 108, figs. 1-20 2018
Planothidium kaetherobertianumB. Van de Vijver & S. Bosak Phytotaxa 425: 106, figs. 1-47 2019
Planothidium lacustreI. Álvarez-Blanco, C. Cejudo-Figueiras & S. Blanco in Blanco et al. Nordic Journal of Botany 31: 491, figs. 13-28 2013
Planothidium lagerheimii(Cleve) C.E. Wetzel & L. Ector Phytotaxa 188: 263 2014
Planothidium lanceolatoides(H.E. Sovereign) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium lanceolatum(Brébisson ex Kützing) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium lanceolatum(Brébisson ex Kützing) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 280 1999
Planothidium lanceolatum(Brébisson ex Kützing) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters 44, 94 1999
Planothidium lanceolatum(Brebisson) Round & Bukhtiyarova image
Planothidium lanceolatum var. bimaculatum(Hustedt) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 415 2000
Planothidium lanceolatum var. ellipticum(Cleve) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters 44, 94 1999
Planothidium lanceolatum var. genuinumN.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 415 2000
Planothidium lanceolatum var. haynaldii(Schaarschmidt) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters 44, 94 1999
Planothidium lanceolatum var. omissum(C.W. Reimer) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 416 2000
Planothidium lanceolatum var. ventricosum(Hustedt) L.N. Bukhtiyarova Diatoms Ukraine Inland Waters 44, 94 1999
Planothidium lanceolatum var. ventricosum_('ventricosa')(Hustedt) P.M. Tsarenko in P.M. Tsarenko et al. (eds.), Algae of Ukraine 2: 147 2009
Planothidium lemmermannii(Hustedt) E.A. Morales Diatom Research 21: 336 2006
Planothidium lilianeanumB. Van de Vijver in Van de Vijver et al. Fottea 18: 203, figs. 29-46 2018
Planothidium lilljeborgii_('lilljeborgei')(Grunow) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 121 2000
Planothidium linkei(Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium longicapitatumM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium looseri(Frenguelli) P. Rivera & F. Cruces Gayana Bot. 66: 94 2009
Planothidium magnificum(Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium makarevichiaeM. Kulikovskiy & H. Lange-Bertalot in Kulikovskiy et al. Iconographia Diatomologica 26: 2015
Planothidium marganaiense_('marganaiensis')G.G. Lai, L. Ector, & C. Wetzel in Lai et al. Phytotaxa 489: 143, figs. 2-57 2021
Planothidium marginostriatumB. Van de Vijver & L. Beyens in B. Van de Vijver, Y. Frenot, & L. Beyens Biblioth. Diatomol. 46: 101, pl. 26 2002
Planothidium marinum(Hustedt ex R. Simonsen) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 277 1999
Planothidium mathurinenseC. Riaux-Gobin & A.Y. Al-Handal in C. Riaux-Gobin et al. Beih. Nova Hedwigia 141: 302, figs. 2-5, 6-8, 26-38 2012
Planothidium meyeri(Skvortzov) Flower & Khursevich in D.M. Williams, G.K. Khursevich, S.A. Fedenya, & R.J. Flower Proc. Int. Diatom Symp. 18: 478 2006
Planothidium minusculum(Hustedt) A. Witkowski, M. Kulikovskiy, & M. Pliński in Pliński & Witkowski Okrzemki-Bacillariophyta (Diatoms): 119 2011
Planothidium minutissimum(Krasske) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 278 1999
Planothidium miotum(J.R. Carter & P. Denny) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 278 1999
Planothidium naradoenseR. Jahn & J. Zimmermann in Jahn et al. Diatom Research 32: 100, figs. 351-375 2017
Planothidium neglectumH. Lange-Bertalot & U. Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 213, pl. 30: figs. 7-10 2000
Planothidium oculatum(Hustedt) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 122 2000
Planothidium oestrupii(Cleve-Euler) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium oestrupii(Cleve-Euler) M.B. Edlund in M.B. Edlund, N. Soninkhishig, R.M. Williams, & E.F. Stoermer Nova Hedwigia 72: 88 2001
Planothidium oestrupii(Cleve-Euler) Round & Bukhtiyarova image
Planothidium peragalloi var. fossilum(Tempère & H. Peragallo) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 416 2000
Planothidium peragalloi var. parvulum(R. Patrick) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 416 2000
Planothidium peragalloi_('peragallii')(Brun & Heribaud) Round & Bukhtiyarova image
Planothidium peragalloi_('peragallii')(J. Brun & Héribaud) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium pericavum(J.R. Carter) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 278 1999
Planothidium piaficum(J.R. Carter & Denny) C.E. Wetzel & L. Ector in N'Guessan et al. Plant Ecology and Evolution 147: 456 2014
Planothidium polare_('polaris')(Østrup) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 123 2000
Planothidium potapovaeC.E. Wetzel & L. Ector in Wetzel et al. Fottea 19: 57, figs. 200-210, 239-246 2019
Planothidium pseudotanense(Cleve-Euler) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 278 1999
Planothidium pumilumM. Bak & H. Lange-Bertalot Oceanological and Hydrobiological Studies 43: 350, figs. 4-6 2015
Planothidium pungens(Cleve-Euler) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 278 1999
Planothidium quadripunctatum(D.R. Oppenheim) K. Sabbe in Sabbe et al. Antarctic Science 15: 241 2003
Planothidium quarnerense f. rhombicum_('rhombica')(Giffen) C. Riaux-Gobin & A. Witkowski in Riaux-Gobin et al. Fottea 18: 117 2018
Planothidium quarnerense_('quarnerensis')(Grunow) A. Witkowski, H. Lange-Bertalot & D. Metzeltin Icon. Diatomol. 7: 123 2000
Planothidium reichardtiiH. Lange-Bertalot & M. Werum in Werum & Lange-Bertalot Iconographia Diatomologica 13: 172, pl. 15: figs. 9-18, pl. 16: figs. 1-5 2004
Planothidium renei(H. Lange-Bertalot & R. Schmidt) B. Van de Vijver in B. Van de Vijver, Y. Frenot, & L. Beyens Biblioth. Diatomol. 46: 102 2002
Planothidium rhombiculumH. Lange-Bertalot, M. Bak & G. Hofmann in Bak & Lange-Bertalot Oceanological and Hydrobiological Studies 43: 353, fig. 7 2015
Planothidium rhombicuneatumH. Lange-Bertalot & U. Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 214, pl. 29 2000
Planothidium robustius(H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 279 1999
Planothidium robustum(Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 279 1999
Planothidium rodriguenseC. Riaux-Gobin & P. Compère in C. Riaux-Gobin et al. Beih. Nova Hedwigia 141: 297, figs. 1, 13-25 2012
Planothidium rostratoholarcticumH. Lange-Bertalot & M. Bak in Bak & Lange-Bertalot Oceanological and Hydrobiological Studies 43: 355 2015
Planothidium rostratum(Østrup) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 279 1999
Planothidium rostratum(ěstrup) Round & Bukhtiyarova image
Planothidium rostratum_('rostatum')(Østrup) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 352 1996
Planothidium rostrolanceolatumB. Van de Vijver, K. Kopalová & R. Zidarova in Van de Vijver et al. Fottea 13: 109, figs. 61-84, 108-114 2013
Planothidium salvadorianum(Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconogr. Diatomol. 6: 279 1999
Planothidium schwabei(Krasske) H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 216 2000
Planothidium scrobiculatumG.C. Marquardt & C.E. Wetzel in Marquardt et al. Fottea 21: 55, figs. 1-48 2021
Planothidium septentrionale_('septentrionalis')(Østrup) F.E. Round & L.N. Bukhtiyarova Diatom Research 11: 353 1996
Planothidium septentrionale_('septentrionalis')(ěstrup) Round & Bukhtiyarova image
Planothidium sheathiiR. Stancheva Phytotaxa 393: 132, figs. 1-29 2019
Planothidium slupskiiD. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 11: 57, pls. 21, 22, 23: figs. 1, 3 2003
Planothidium stauroneiforme_('stauroneiformis')(Skabichevskij) R.J. Flower & Khursevich in D.M. Williams, G.K. Khursevich, S.A. Fedenya, & R.J. Flower Proc. Int. Diatom Symp. 18: 478 2006
Planothidium stewartii(Patrick) Lange-Bertalot in Krammer & Lange-Bertalot Bacillariophyceae 4. Teil: Achnanthaceae ...: 437 2004
Planothidium straubianumC.E. Wetzel, B. Van de Vijver, & L. Ector in Wetzel et al. Fottea 19: 60, figs. 362-385, 440-443 2019
Planothidium subantarcticumB. Van de Vijver & C.E. Wetzel in Van de Vijver et al. Fottea 13: 111, figs. 85-107, 115-121 2013
Planothidium sublitorale_('sublitoralis')(Skabichevskij) Khursevich, R.J. Flower, & D.M. Williams in D.M. Williams, G.K. Khursevich, S.A. Fedenya, & R.J. Flower Proc. Int. Diatom Symp. 18: 478 2006
Planothidium suncheonmanenseR. Jahn & J. Zimmermann in Jahn et al. Diatom Research 32: 101, figs. 376-385 2017
Planothidium taeansaR. Jahn & N. Abarca in Jahn et al. Diatom Research 32: 100, figs. 172-191 2017
Planothidium tujiiC.E. Wetzel & L. Ector in Wetzel et al. Fottea 19: 56, figs. 140-163, 218-223 2019
Planothidium vanheurckii(Grunow) E.W. Thomas, B. Van de Vijver & J.P. Kociolek Diatom Research 30: 339 2015
Planothidium victorii_('victori')P.M. Novis, J. Braidwood & C. Kilroy Phytotaxa 64: 22, figs. 26-41, 161 2012
Planothidium werumianumH. Lange-Bertalot & M. Bak in Bak & Lange-Bertalot Oceanological and Hydrobiological Studies 43: 347, figs. 1-3 2015
Planothidium wetzelectorianumK. Kopalová, R. Zidarova & B. Van de Vijver European Journal of Taxonomy 217: 7, figs. 25-57 2016
Planothidium xinguenseK.S. Morais, C.E. Wetzel & C.E.M. Bicudo in Morais et al. Phytotaxa 477: 197, figs. 2-29 2020