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
| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| Achnanthidium delicatulum | Kützing | Kieselschal. Bacill.: | 75, pl. 3: fig. XXI | 1844 |
| Achnanthidium microcephalum | Kützing | Bacillarien: | 75, pl. 3: figs. XIII, XIX | 1844 |
| Achnanthidium lanceolatum | Brébisson ex Kützing | Bot. Zeitung | 4: 247 | 1846 |
| Achnanthidium coarctatum | Brébisson ex W. Smith | Ann. & Mag. Nat. Hist., ser. 2, | 15: 8, pl. I: fig. 10 | 1855 |
| Achnanthidium lineare | W. Smith | Ann. & Mag. Nat. Hist., | ser. 2, 15: 8, pl. I: fig. 9 | 1855 |
| Achnanthidium jackii | Rabenhorst | Alg. Eur. Dec. 101/102: | 1003 | 1861 |
| Achnanthidium trinode | Ralfs in Pritchard | Hist. Inf. ed. 4: | 872 | 1861 |
| Achnanthidium hungaricum | Grunow | Verh. K.K. Zool.-Bot. Ges. Wien | 13: 146, pl. 13: fig. 8a | 1863 |
| Achnanthidium brevipes | Heiberg | Consp. Crit. Diat. Dan.: | 118 | 1863 |
| Achnanthidium exile | (Kützing) Heiberg | Conspect. Diatom. Dan.: | 119 | 1863 |
| Achnanthidium thermale | Rabenhorst | Fl. Eur. Alg. | I: 107 | 1864 |
| ACHNANTHIDIUM | P.T. Cleve | K. Svenska Vet.-Akad. Handl., ser. 4, | 27{3}: 165 (key), 191 | 1895 |
| Achnanthidium maximum | A. Cleve | Bih. K. Svenska Vet.-Akad. Handl. | 21{Afd. III, 2}: 24, figs. 22, 23 | 1895 |
| Achnanthidium lanceolatum var. genuinum_(`genuina') | Mayer | Ber. Naturw. Ver. Regensburg | 14: 81, pl. III: figs. 42-44, 46, 47 | 1913 |
| ACHNANTHES subg. ACHNANTHIDIUM | Hustedt | Rabenhorst's Krypt.-Fl. | 7{2}: 418 | 1933 |
| ACHNANTHIDIUM | Hustedt | Rabenhorst's Krypt.-Fl. | 7{2}: 418 | 1933 |
| ACHNANTHES subg. ACHNANTHIDIUM | (Kützing) C.W. Reimer in R. Patrick & C.W. Reimer | Monogr. Acad. Nat. Sci. Philadelphia | 13{1}: 247 | 1966 |
| ACHNANTHIDIUM | (Kützing) C.W. Reimer in R. Patrick & C.W. Reimer | Monogr. Acad. Nat. Sci. Philadelphia | 13{1}: 247 | 1966 |
| Achnanthidium affine | (Grunow) D.B. Czarnecki | Proc. Int. Diatom Symp. | 11 [Mem. Calif. Acad. Sci. 17]: 156 | 1994 |
| Achnanthidium exiguum | (Grunow) D.B. Czarnecki | Proc. Int. Diatom Symp. | 11 [Mem. Calif. Acad. Sci. 17]: 157 | 1994 |
| Achnanthidium exiguum var. heterovalvum | (G. Krasske) D.B. Czarnecki | Proc. Int. Diatom Symp. | 11 [Mem. Calif. Acad. Sci. 17]: 157 | 1994 |
| Achnanthidium minutissimum | (Kützing) D.B. Czarnecki | Proc. Int. Diatom Symp. | 11 [Mem. Calif. Acad. Sci. 17]: 157 | 1994 |
| Achnanthidium bioretii | (H. Germain) M.B. Edlund | J. Minnesota Acad. Sci. | 59: 12 | 1994 |
| Achnanthidium clevei var. rostratum | (Hustedt) M.B. Edlund | J. Minnesota Acad. Sci. | 59: 12 | 1994 |
| Achnanthidium duthiei_('duthii') | (M.R. Sreenivasa) M.B. Edlund | J. Minnesota Acad. Sci. | 59: 12 | 1994 |
| Achnanthidium biporomum | (M.H. Hohn & J. Hellerman) D.B. Czarnecki in Czarnecki & Edlund | Diatom Res. | 10: 208 | 1995 |
| Achnanthidium clevei | (Grunow) D.B. Czarnecki in Czarnecki & Edlund | Diatom Res. | 10: 207 | 1995 |
| Achnanthidium clevei var. rostratum | (Hustedt) M.B. Edlund in Czarnecki & Edlund | Diatom Res. | 10: 207 | 1995 |
| Achnanthidium hauckianum | (Grunow) D.B. Czarnecki | J. Iowa Acad. Sci. | 101: 96 | 1995 |
| Achnanthidium levanderi | (Hustedt) D.B. Czarnecki in Czarnecki & Edlund | Diatom Res. | 10: 208 | 1995 |
| Achnanthidium pusillum | (Grunow) D.B. Czarnecki in Czarnecki & Edlund | Diatom Res. | 10: 208 | 1995 |
| Achnanthidium biasolettianum_('biasolettiana') | (Kützing) L.N. Bukhtiyarova | Algologia | 5: 420 | 1995 |
| Achnanthidium kryophilum_('kryophila') | (J.B. Petersen) L.N. Bukhtiyarova | Algologia | 5: 420 | 1995 |
| Achnanthidium minutissimum var. affine_('affinis') | (Grunow) L.N. Bukhtiyarova | Algologia | 5: 420 | 1995 |
| Achnanthidium minutissimum var. gracillimum_('gracillima') | (Meister) L.N. Bukhtiyarova | Algologia | 5: 420 | 1995 |
| Achnanthidium alteragracillimum_('altergracillima') | (Meister) F.E. Round & L.N. Bukhtiyarova | Diatom Research | 11: 349 | 1996 |
| Achnanthidium biasolettianum | (Grunow) F.E. Round & L.N. Bukhtiyarova | Diatom Research | 11: 350 | 1996 |
| Achnanthidium kranzii | (Lange-Bertalot) F.E. Round & L.N. Bukhtiyarova | Diatom Research | 11: 350 | 1996 |
| Achnanthidium macrocephalum | (Hustedt) F.E. Round & L.N. Bukhtiyarova | Diatom Research | 11: 349 | 1996 |
| Achnanthidium saprophilum_(`saprophila') | (H. Kobayasi & S. Mayama) F.E. Round & L.N. Bukhtiyarova | Diatom Research | 11: 349 | 1996 |
| Achnanthidium convergens | (H. Kobayasi) H. Kobayasi | Nova Hedwigia | 65: 159 | 1997 |
| Achnanthidium japonicum | (H. Kobayasi) H. Kobayasi | Nova Hedwigia | 65: 156 | 1997 |
| Achnanthidium latecephalum | H. Kobayasi | Nova Hedwigia | 65: 152, figs. 19-40 | 1997 |
| Achnanthidium pyrenaicum | (Hustedt) H. Kobayasi | Nova Hedwigia | 65: 148 | 1997 |
| Achnanthidium archibaldianum | (H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 270 | 1999 |
| Achnanthidium arcus | (Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 270 | 1999 |
| Achnanthidium biasolettianum | (Grunow) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 270 | 1999 |
| Achnanthidium blancheanum | (R. Maillard ex H. Lange-Bertalot & A. Steindorf) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 270 | 1999 |
| Achnanthidium caledonicum | (H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 271 | 1999 |
| Achnanthidium catenatum | (J. Bílý & Marvan) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 271 | 1999 |
| Achnanthidium contrarea | (H. Lange-Bertalot & A. Steindorf) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 271 | 1999 |
| Achnanthidium eutrophilum | (H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 271 | 1999 |
| Achnanthidium indicatrix | (H. Lange-Bertalot & A. Steindorf) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 272 | 1999 |
| Achnanthidium metaffine | (H. Lange-Bertalot & A. Steindorf) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 272 | 1999 |
| Achnanthidium koghisense | (G. Moser, H. Lange-Bertalot & D. Metzeltin) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium peridotiticum | (G. Moser, H. Lange-Bertalot & D. Metzeltin) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium pirogueanum | (R. Maillard ex H. Lange-Bertalot & A. Steindorf) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium straubianum | (H. Lange-Bertalot) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium subatomus | (Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium woltereckii | (Hustedt) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 274 | 1999 |
| Achnanthidium koghisense f. angustifasciatum | (G. Moser, H. Lange-Bertalot & D. Metzeltin) H. Lange-Bertalot in H. Lange-Bertalot (ed.) | Iconogr. Diatomol. | 6: 273 | 1999 |
| Achnanthidium deflexum | (C.W. Reimer) J.C. Kingston | Diatom Research | 15: 410 | 2000 |
| Achnanthidium exiguum var. constrictum | (Grunow) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. | Diatom Research | 15: 413 | 2000 |
| Achnanthidium semiapertum_(`semiaperta') | (P. Guermeur) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. | Diatom Research | 15: 413 | 2000 |
| Achnanthidium lapidosum | (Krasske) H. Kobayasi in S. Mayama, M. Idei, K. Osada, & T. Nagumo | Diatom | 18: 89 | 2002 |
| Achnanthidium modestiforme | (H. Lange-Bertalot) B. Van de Vijver in B. Van de Vijver, Y. Frenot, & L. Beyens | Biblioth. Diatomol. | 46: 17 | 2002 |
| Achnanthidium fulla | (J.R. Carter) M. Aboal in A. Witkowski (ed.), | Diat. Monogr. | 4: 143 | 2003 |
| Achnanthidium subsalsum | (J.B. Petersen) M. Aboal in A. Witkowski (ed.), | Diat. Monogr. | 4: 147 | 2003 |
| Achnanthidium alpestre | (R. Lowe & J.P. Kociolek) R. Lowe & J.P. Kociolek in J.R. Johansen et al. | Arch. Hydrobiol. Suppl. | 150 (Algol. Stud. 111): 23 | 2004 |
| Achnanthidium rivulare | M.G. Potapova & K.C. Ponader | Diatom Research | 19: 36, figs. 1-18, 28-43 | 2004 |
| Achnanthidium crassum | (Hustedt) M.G. Potapova & K.C. Ponader | Diatom Research | 19: 38 | 2004 |
| Achnanthidium strictum | E. Reichardt | Iconogr. Diatomol. | 13: 426, pl. 3: figs. 1-16 | 2004 |
| Achnanthidium pfisteri | H. Lange-Bertalot in M. Werum & H. Lange-Bertalot | Iconogr. Diatomol. | 13: 126, pl. 20 | 2004 |
| Achnanthidium atomoides | O. Monnier, H. Lange-Bertalot & L. Ector in Monnier et al. | Vie et Milieu | 54: 128, figs. 1-41, 117-123 | 2004 |
| Achnanthidium atomus | (Hustedt) O. Monnier, H. Lange-Bertalot & L. Ector in Monnier et al. | Vie et Milieu | 54: 133 | 2004 |
| Achnanthidium gracillimum | (Meister) Lange-Bertalot | Süsswasserflora Mitteleuropas. Bacillariophyceae | 4: 427 | 2004 |
| Achnanthidium linearioides | H. Lange-Bertalot | Süsswasserflora Mitteleuropas. Bacillariophyceae | 4: 427 | 2004 |
| Achnanthidium rosenstockii | (H. Lange-Bertalot) H. Lange-Bertalot | Süsswasserflora Mitteleuropas. Bacillariophyceae | 4: 427 | 2004 |
| Achnanthidium thienemannii | (Hustedt) H. Lange-Bertalot | Süsswasserflora Mitteleuropas. Bacillariophyceae | 4: 427 | 2004 |
| Achnanthidium dolomiticum | M. Cantonati & H. Lange-Bertalot | J. Phycol. | 42: 1185, figs. 1-3 | 2006 |
| Achnanthidium zhakovschikovae_(`zhakovschikovii') | M. Potapova | Nova Hedwigia | 82: 400, figs. 1-9, 28-33 | 2006 |
| Achnanthidium subhudsonis | (Hustedt) H. Kobayasi in Kobayasi et al. | Atlas Japanese Diatoms | 1: 129 | 2006 |
| Achnanthidium daonense | (H. Lange-Bertalot) H. Lange-Bertalot, O. Monnier, & L. Ector in O. Monnier, H. Lange-Bertalot, L. Hoffmann, & L. Ector | Cryptogamie: Algologie | 28: 155 | 2007 |
| Achnanthidium helveticum | (Hustedt) O. Monnier, H. Lange-Bertalot, & L. Ector in O. Monnier, H. Lange-Bertalot, L. Hoffmann, & L. Ector | Cryptogamie: Algologie | 28: 155 | 2007 |
| Achnanthidium lauenburgianum | (Hustedt) O. Monnier, H. Lange-Bertalot, & L. Ector in O. Monnier, H. Lange-Bertalot, L. Hoffmann, & L. Ector | Cryptogamie: Algologie | 28: 155 | 2007 |
| Achnanthidium subatomoides | (Hustedt) O. Monnier, H. Lange-Bertalot, & L. Ector in O. Monnier, H. Lange-Bertalot, L. Hoffmann, & L. Ector | Cryptogamie: Algologie | 28: 155 | 2007 |
| Achnanthidium cubanense | D. Metzeltin & H. Lange-Bertalot | Iconogr. Diatomol. | 18: 23, pl. 109: figs. 1-10 | 2007 |
| Achnanthidium mangelsdorffii | D. Metzeltin & H. Lange-Bertalot | Iconogr. Diatomol. | 18: 24, pl. 109: figs. 11-23 | 2007 |
| Achnanthidium kenyae | (Cholnoky) C. Cocquyt | Diatom Research | 22: 258 | 2007 |
| Achnanthidium reimeri | (K.E. Camburn) K.C. Ponader & M.G. Potapova | Limnologica | 37: 235 | 2007 |
| Achnanthidium chlidanos | (M.H. Hohn & J. Hellerman) E. Novelo, R. Tavera, & C. Ibarra | Bibliotheca Diatomol. | 54: 28 | 2007 |
| Achnanthidium kriegeri | (G. Krasske) P.B. Hamilton, D. Antoniades, & P.A. Siver in D. Antoniades, P.B. Hamilton, M.S.V. Douglas, & J.P. Smol | Iconogr. Diatomol. | 17: 20 | 2008 |
| Achnanthidium ovatum | T. Watanabe & Tuji in Watanabe et al. | Diatom | 24: 34, figs. 2-25 | 2008 |
| Achnanthidium lailae | B. Van de Vijver in R. Zidarova, B. Van de Vijver, G. Mataloni, K. Kopalová, & L. Nedbalová | Cryptogamie: Algol. | 30: 297, figs. 1-21 | 2009 |
| Achnanthidium sehuencoense_('sehuencoensis') | E. Morales in Morales, Fernández, & Kociolek | Acta Bot. Croat. | 68: 273, figs. 8-14, 21-26 | 2009 |
| Achnanthidium minutissimum f. inconspicuum | (Østrup) Compère & Riaux-Gobin | Syst. Geogr. Pls. | 79: 40 | 2009 |
| Achnanthidium chitrakootense | A. Wojtal, H. Lange-Bertalot, & P. Nautiyal in Wojtal et al. | Polish Bot. J. | 55: 58, figs. 2-32 | 2010 |
| Achnanthidium pseudodelicatissimum | C. Riaux-Gobin, P. Compère, & A. Witkowski | Vie et Milieu | 60: 159, figs. 1-12 | 2010 |
| Achnanthidium flexuistriatum | C. Riaux-Gobin, P. Compère, & A. Witkowski | Vie et Milieu | 60: 161, figs. 13-22 | 2010 |
| Achnanthidium glyphos | C. Riaux-Gobin, P. Compère, & A. Witkowski | Vie et Milieu | 60: 161, figs. 25-37 | 2010 |
| Achnanthidium pseudochamaepinnularia | C. Riaux-Gobin, P. Compère, & A. Witkowski | Vie et Milieu | 60: 166, figs. 38-47 | 2010 |
| Achnanthidium scalariforme | C. Riaux-Gobin, P. Compère, & A. Witkowski | Vie et Milieu | 60: 170, figs. 48-53 | 2010 |
| Achnanthidium druartii | F. Rimet & A. Couté in Rimet et al. | Vie et Milieu | 60: 188, pls. I-III | 2010 |
| Achnanthidium ennediense | (Compère) Compère & Van de Vijver | Algol. Studies | 136/137: 7 | 2011 |
| Achnanthidium rostropyrenaicum | I. Jüttner & E.J. Cox in I. Jüttner, J. Chimonides & E.J. Cox | Algol. Studies | 136/137: 49, figs. 2-13 | 2011 |
| Achnanthidium sibiricum | M. Kulikovskiy, H. Lange-Bertalot, A. Witkowski & G.K. Khursevich | Algol. Studies | 136/137: 79, figs. 1-26 | 2011 |
| Achnanthidium cadimae | E. Morales, E. Fernández & L. Ector in E.A. Morales et al. | Algol. Studies | 136/137: 109, figs. 197-210, 274-284 | 2011 |
| Achnanthidium peruvianum | E. Morales & L. Ector in E.A. Morales et al. | Algol. Studies | 136/137: 121, figs. 211-224, 285-290 | 2011 |
| Achnanthidium caravelense | M.E. Novais & L. Ector in M.E. Novais et al. | Algol. Studies | 136/137: 142, figs. 1-36 | 2011 |
| Achnanthidium standeri | (Cholnoky) J.C. Taylor, E. Morales & L. Ector | Algol. Studies | 136/137: 155 | 2011 |
| Achnanthidium taiaense | (J.R. Carter & Denny) J.C. Taylor, E. Morales & L. Ector | Algol. Studies | 136/137: 160 | 2011 |
| Achnanthidium sublineare | B. Van de Vijver, A. Jarlman & L. Ector in B. Van de Vijver et al. | Algol. Studies | 136/137: 179, figs. 183-207 | 2011 |
| Achnanthidium pseudolineare | B. Van de Vijver, M.E. Novais & L. Ector in B. Van de Vijver et al. | Algol. Studies | 136/137: 186, figs. 208-256 | 2011 |
| Achnanthidium hoffmannii | B. Van de Vijver, L. Ector, A. Mertens & A. Jarlman in B. Van de Vijver et al. | Algol. Studies | 136/137: 195, figs. 1-17 | 2011 |
| Achnanthidium acerosum | B. Van de Vijver, H. Lange-Bertalot & A. Jarlman in B. Van de Vijver et al. | Algol. Studies | 136/137: 198, figs. 18-25 | 2011 |
| Achnanthidium ertzii | B. Van de Vijver, & H. Lange-Bertalot in B. Van de Vijver et al. | Algol. Studies | 136/137: 200, figs. 26-47 | 2011 |
| Achnanthidium tepidaricola | B. Van de Vijver, & M. de Hann in B. Van de Vijver et al. | Algol. Studies | 136/137: 201, figs. 48-66 | 2011 |
| Achnanthidium polonicum | B. Van de Vijver, A. Wojtal, E. Morales & L. Ector in A. Wojtal et al. | Algol. Studies | 136/137: 223, figs. 131-154 | 2011 |
| Achnanthidium acsiae | A. Wojtal, E. Morales, B. Van de Vijver & L. Ector in A. Wojtal et al. | Algol. Studies | 136/137: 226, figs. 155-184 | 2011 |
| Achnanthidium pseudoconspicuum | (Foged) I. Juttner & E.J. Cox | Diatom Research | 26: 22 | 2011 |
| Achnanthidium capitatum | C. Riaux-Gobin, O. Romero, P. Compère, & A. Handal | Biblioth. Diatomol. | 57: 13, pls. 9, 10 | 2011 |
| Achnanthidium sieminskae | A. Witkowski, M. Kulikovskiy & C. Riaux-Gobin in Wołowski et al. (eds) | Current Advances in Algal Taxonomy: | p. 65, figs. 1-40 | 2012 |
| Achnanthidium delmontii | F. Pérès, R. Le Cohu & A. Barthès in Pérès et al. | Fottea | 12: 190, figs. 1-82 | 2012 |
| Achnanthidium exiguum var. elliptica | (Hustedt) M.A. Harper in Harper et al. | Phylum Ochrophyta ...: | 162 | 2012 |
| Achnanthidium palmeti | G. Gassiole, R. Le Cohu & M. Coste | Phytotaxa | 119: 22, figs. 1-27 | 2013 |
| Achnanthidium australexiguum | B. Van de Vijver in Taylor et al. | Fottea | 14: 47, figs. 65-92 | 2014 |
| Achnanthidium barbei | R. Le Cohu & F. Peres in Peres et al. | Diatom Research | 29: 388, figs. 1-40 | 2014 |
| Achnanthidium costei | R. Le Cohu & F. Peres in Peres et al. | Diatom Research | 29: 390, figs. 41-80 | 2014 |
| Achnanthidium indistinctum | B. Van de Vijver & K. Kopalová | European Journal of Taxonomy | 79: 4, figs. 2-28 | 2014 |
| Achnanthidium maritimo-antarcticum | B. Van de Vijver & K. Kopalová | European Journal of Taxonomy | 79: 6, figs. 29-49 | 2014 |
| Achnanthidium duriense | M.H. Novais & L. Ector in Novais et al. | Phytotaxa | 224: 122, figs. 334-379, 395-402 | 2015 |
| Achnanthidium lusitanicum | M.H. Novais & M. Morais in Novais et al. | Phytotaxa | 224: 129, figs. 403-466, 467-477 | 2015 |
| Achnanthidium nanum | (F. Meister) M.H. Novais & I. Jüttner in Novais et al. | Phytotaxa | 224: 121 | 2015 |
| Achnanthidium neocryptocephalum | M.H. Novais & B. Van de Vijver | Phytotaxa | 224: 116 | 2015 |
| PSEUDACHNANTHIDIUM | C. Riaux-Gobin in Riaux-Gobin & Witkowski | Cryptogamie, Algologie | 36: 294 | 2015 |
| Pseudachnanthidium megapteropsis | C. Riaux-Gobin & A. Witkowski | Cryptogamie, Algologie | 36: 294. figs. 2-15 | 2015 |
| Achnanthidium pseudoconspicuum var. yomense_('yomensis') | E. Yana & S. Mayama | Phycol. Research | 63: 240, figs. 1-27 | 2015 |
| Achnanthidium sinense | Bing Liu & S. Blanco in Liu et al. | Phytotaxa | 284: 195, figs. 2-41 | 2016 |
| Achnanthidium digitatum | E. Pinseel, P. Vanormelingen, P.B. Hamilton & B. Van de Vijver in Pinseel et al. | Eur. J. Phycol. | 52: 271, figs. 1-10, 18-27, 38-49 | 2017 |
| Achnanthidium subhudsonis var. kraeuselii | (Cholnoky) M. Cantonati & H. Lange-Bertalot in Kusber et al. | Phytotaxa | 328: 90 | 2017 |
| Achnanthidium tropicocatenatum | G.C. Marquardt, C.E. Wetzel & L. Ector in Marquardt et al. | Plant Ecology and Evolution | 150: 318, figs. 3-5 | 2017 |
| Achnanthidium initium | B. Karthick, J.C. Taylor & P.B. Hamilton | Fottea | 17: 66, figs. 1-46 | 2017 |
| Achnanthidium linannulum | B. Karthick, J.C. Taylor & P.B. Hamilton | Fottea | 17: 66, figs. 47-84 | 2017 |
| Achnanthidium neotropicum | K.J. Krahn & C.E. Wetzel in Krahn et al. | Phytotaxa | 282: 91, figs. 2-88 | 2018 |
| Achnanthidium forte | I.W. Bishop & S.A. Spaulding in Bishop et al. | Beih. Nova Hedwigia | 147: 270, figs. 76-80, 306-308 | 2018 |
| Achnanthidium lacustre | P. Yu, Q.M. You & J.P. Kociolek in Yu et al. | Fottea | 19: 34, figs. 1-20, 90-105 | 2019 |
| Achnanthidium sublanceolatum | P. Yu, Q.M. You & J.P. Kociolek in Yu et al. | Fottea | 19: 34, figs. 21-55, 106-123 | 2019 |
| Achnanthidium taipingense_('taipingensis') | P. Yu, Q.M. You & J.P. Kociolek in Yu et al. | Fottea | 19: 35, figs. 56-89, 124-146 | 2019 |
| Achnanthidium peetersianum | C.E. Wetzel, I. Jüttner & L. Ector in Wetzel et al. | Plant Ecology and Evolution | 152: 345, figs. 1N-AK, 3A-J | 2019 |
| Achnanthidium coxianum | I. Jüttner, L. Ector & C.E. Wetzel in Wetzel et al. | Plant Ecology and Evolution | 152: 347, figs. 1AL-BH, 5A-H | 2019 |
| Achnanthidium mediolanceolatum | P. Yu, Q.-M. You & J.P. Kociolek in Q. You et al. | Fottea | 19: 139, figs. 1-32, 105-116 | 2019 |
| Achnanthidium parvulum | Q.-M. You, P. Yu, & J.P. Kociolek in Q. You et al. | Fottea | 19: 140, figs. 33-74, 117-124 | 2019 |
| Achnanthidium guizhouense_('guizhouensis') | P. Yu, Q.-M. You & J.P. Kociolek in Q. You et al. | Fottea | 19: 142, figs. 75-104, 125-140 | 2019 |
| Achnanthidium longissimum | P. Yu, Q-M. You & J.P. Kociolek in Yu et al. | Diatom Research | 33: 340, figs. 1-40 | 2019 |
| Achnanthidium parallelum | J.R. Carter ex I. Jüttner, D.M. Williams, L. Ector & C.E. Wetzel in Jüttner et al. | Botany Letters | 167: 64, figs. 1-32 | 2019 |
| Achnanthidium petersenii | (Hustedt) C.E. Wetzel, L. Ector, D.M. Williams & I. Jüttner in Jüttner et al. | Botany Letters | 167: 66 | 2019 |
| Achnanthidium jiuzhaiense_('jiuzhaienis') | P. Yu, Q.-M. You & Q.-X. Wang in Yu et al. | Phytotaxa | 405: 149, figs. 2-129 | 2019 |
| Achnanthidium epilithicum_('epilithica') | P. Yu, Q.-M. You & Q.-X. Wang in Yu et al. | Phytotaxa | 405: 154, figs. 130-231 | 2019 |
| Achnanthidium limosum_('limosua') | P. Yu, Q.-M. You & Q.-X. Wang in Yu et al. | Phytotaxa | 405: 158, figs. 232-292 | 2019 |
| Achnanthidium subtilissimum | P. Yu, Q.-M. You & Q.-X. Wang in Yu et al. | Phytotaxa | 405: 161, figs. 293-355 | 2019 |
| Achnanthidium nodosum | (A. Cleve) N.D. Tseplik & D.A. Chudaev | Novosti sistematiki nizshikh rastenii | 54: 46 | 2020 |
| Achnanthidium ovale | M. Miao & B.-H. Kim in Miao et al. | Diversity | 12{285}: 5, figs. 2-4 | 2020 |
| Achnanthidium cavitatum | M. Miao & B.-H. Kim in Miao et al. | Diversity | 12{285}: 7, figs. 5-7 | 2020 |
| Achnanthidium sichuanense | Y.L. Wang & Q.M. You in Q.M. You, K. Zhao, Y.L. Wang, P. Yu, J.P. Kociolek, W.T. Pang, & Q.X. Wang | Phytotaxa | 479: 258, figs. 1-32 | 2021 |
| Achnanthidium tinea | N.D. Tseplik, M.S. Kulikovskiy, J.P. Kociolek & Y.I. Maltsev in Tseplik et al. | PhytoKeys | 174: 151, figs. 1-3 | 2021 |
| Achnanthidium nollii | (O. Bock & W. Bock) Lange-Bertalot in Kusber et al. | Notulae algarum | 209: 1 | 2021 |
| Achnanthidium ampliatum | Y. Liu, M. Kulikovskiy & J.P. Kociolek in Liu et al. | Phytotaxa | 516: 191, figs. 1-26 | 2021 |
| Achnanthidium gladius | N.D. Tseplik, M.S. Kulikovskiy, A.M. Glushchenko & S.I. Genkal in Tseplik et al. | PhytoKeys | 187: 133, figs. 2, 3 | 2021 |
| Achnanthidium tibeticum | Y. Liu & J.P. Kociolek in Ge et al. | Phytotaxa | 538: 271, figs. 1-32 | 2022 |
| Achnanthidium bratanense | D.A. Kapustin, A.M. Glushchenko & M.S. Kulikovskiy | PhytoKeys | 188: 169, figs. 1, 2 | 2022 |
| Achnanthidium anhuense | P. Yu, Q.M. You & Q.X. Wang in Yu et al. | PhytoKeys | 191: 13, figs. 1A-AD, 2-5 | 2022 |
| Achnanthidium qingxiense | Q.M. You, P. Yu, & Q.X. Wang in Yu et al. | PhytoKeys | 191: 18, figs. 1AE-AS, 6-9 | 2022 |
| Achnanthidium kangdingnese | P. Yu, Q.M. You & Q.X. Wang in Yu et al. | PhytoKeys | 204: 99, figs. 1-5 | 2022 |
| Achnanthidium barlasii | C.N. Solak, A.Z. Wojtal, S. Blanco, Ł. Peszek & M. Rybak | Plant Ecology and Evolution | 155: 227, figs. 2-4 | 2022 |
| Achnanthidium dumlupinarii | C.N. Solak, A.Z. Wojtal, S. Blanco, Ł. Peszek & M. Rybak | Plant Ecology and Evolution | 155: 227, figs. 5-7 | 2022 |
| Achnanthidium anatolicum | C.N. Solak, A.Z. Wojtal, S. Blanco, Ł. Peszek & M. Rybak | Plant Ecology and Evolution | 155: 230, figs. 8-10 | 2022 |
| Achnanthidium tirolense | I. Jüttner, P.B. Hamilton, C.E. Wetzel, B. De Vijver, L. King, M.G. Kelly, D.M. Williams, & L. Ector | Cryptogamie, Algologie | 43: 156, figs. 15, 16 | 2022 |
| Achnanthidium lacuslustense | I. Jüttner, P.B. Hamilton, C.E. Wetzel, B. De Vijver, L. King, M.G. Kelly, D.M. Williams, & L. Ector | Cryptogamie, Algologie | 43: 158, figs. 17, 18 | 2022 |
| Achnanthidium acutum | L.F. Costa, C.E. Wetzel, L. Ector in Costa et al., | Phytotaxa | 575: 194, figs. 2-25 | 2022 |
| Achnanthidium brasiliense | L.F. Costa & G.C. Marquardt in Costa et al., | Phytotaxa | 575: 196, 26-44 | 2022 |
| Achnanthidium parvicapitatum | L.F. Costa, L. Ector & C.E. Wetzel in Costa et al., | Phytotaxa | 575: 201, figs. 100-116 | 2022 |
| Achnanthidium paulistanum | L.F. Costa & D. Bicudo in Costa et al., | Phytotaxa | 575: 203, figs. 117-143 | 2022 |
| Achnanthidium ritae | L.F. Costa in Costa et al., | Phytotaxa | 575: 207, figs. 194-214 | 2022 |
| Achnanthidium vandevijveri | L.F. Costa, L. Ector & C.E. Wetzel in Costa et al., | Phytotaxa | 575: 210, figs. 276-316 | 2022 |
| Achnanthidium lucectorii | E. Morales & K. Manoylov | Phytotaxa | 592: 3, figs. 1-42 | 2023 |
| Achnanthidium enigmaticum | E. Morales & K. Manoylov | Phytotaxa | 592: 60, figs. 43-65 | 2023 |
| Achnanthidium amphicephalum | (Hustedt) I. Jüttner, C.E. Wetzel & Z. Levkov in Jüttner et al., | Fottea | 23: 127 | 2023 |
| Achnanthidium ectorianum | G.C. Marquardt & C.E. Wetzel in Marquardt et al., | Cryptogamie, Algologie | 44: 114, figs. 1-4 | 2023 |
| Achnanthidium craterianum | G.C. Marquardt & C.E. Wetzel in Marquardt et al., | Cryptogamie, Algologie | 44: 116, figs. 5-8 | 2023 |
| Achnanthidium pavense | V. Vassal, D. Heudre, C.E. Wetzel & L. Tudesque | Nova Hedwigia | 117: 143 | 2023 |
| Achnanthidium ecrinense | V. Vassal, D. Heudre, C.E. Wetzel & L. Tudesque | Nova Hedwigia | 117: 143 | 2023 |
| ACHNANTHES subg. | ACHNANTHIDIUM (Kützing) C.W. Reimer | image | ||
| ACHNANTHES subg. | ACHNANTHIDIUM (Kützing) C.W. Reimer | image | ||
| ACHNANTHES subg. | ACHNANTHIDIUM Hustedt | image | ||
| ACHNANTHES subg. | ACHNANTHIDIUM Hustedt | image | ||
| ACHNANTHIDIUM | (Kützing) C.W. Reimer | image | ||
| ACHNANTHIDIUM | (Kützing) Schütt | image | ||
| ACHNANTHIDIUM | Brun | image | ||
| ACHNANTHIDIUM | Hustedt illegitimate | image | ||
| ACHNANTHIDIUM | Kützing | image | ||
| ACHNANTHIDIUM | P.T. Cleve invalid | image | ||
| Achnanthidium agardhii | (Kützing) Mereschkowsky | image | ||
| Achnanthidium alteragracillimum_('altergracillima') | (Lange-Bertalot) F.E. Round & L.N. Bukhtiyarova, inval. | image | ||
| Achnanthidium alteragracillimum_('altergracillima') | F.E. Round & L. Bukhtiyarova | image | ||
| Achnanthidium arcticum | Cleve | image | ||
| Achnanthidium baldjikii | Grunow | image | ||
| Achnanthidium biasolettianum | (Grunow) F.E. Round & L. Bukhtiyarova | image | ||
| Achnanthidium brevipes | (C. Agardh) Heiberg | image | ||
| Achnanthidium brevipes var. biareolatum_('biareolata') | Mereschkowsky | image | ||
| Achnanthidium brevipes var. tumidulum | (Grunow) Meister | image | ||
| Achnanthidium coarctatum | Brébisson ex W. Smith | image | ||
| Achnanthidium coarctatum var. elineatum | Lagerstedt | image | ||
| Achnanthidium coarctatum var. otrantinum | (Rabenhorst) Rabenhorst | image | ||
| Achnanthidium cocconeiformis | Mereschkowsky | image | ||
| Achnanthidium contractum | Schumann | image | ||
| Achnanthidium cryptocephalum | Nägeli ex Kützing | image | ||
| Achnanthidium danicum | Flögel | image | ||
| Achnanthidium delicatulum f. angustatum | Gutwinski | image | ||
| Achnanthidium delicatulum | Kützing | image | ||
| Achnanthidium elineatum 'Lagerstedt' | image | |||
| Achnanthidium exile | (Kützing) Heiberg | image | ||
| Achnanthidium flexellum | (Kützing) Brébisson ex Kützing | image | ||
| Achnanthidium flexellum f. minutum_('minuta') | A. Cleve | image | ||
| Achnanthidium groenlandicum | Cleve | image | ||
| Achnanthidium hauckii | (Grunow) Comber | image | ||
| Achnanthidium inflatum_('inflata') | (Kützing) Hutton | image | ||
| Achnanthidium kranzii | (Lange-Bertalot) F.E. Round & L. Bukhtiyarova | image | ||
| Achnanthidium lanceolatum | Brébisson ex Kützing | image | ||
| Achnanthidium lanceolatum f. minutissimum_('minutissima') | (Kützing) Tömösvary | image | ||
| Achnanthidium lanceolatum var. conspicuum_('conspicua') | A. Mayer | image | ||
| Achnanthidium lanceolatum var. dubium | (Grun.) Meister | image | ||
| Achnanthidium lanceolatum var. ellipticum | (Cleve) Meister | image | ||
| Achnanthidium lanceolatum var. genuinum_('genuina') | Mayer | image | ||
| Achnanthidium lanceolatum var. inflatum_('inflata') | Mayer | image | ||
| Achnanthidium lanceolatum var. minimum_('minima') | Mayer | image | ||
| Achnanthidium lanceolatum var. rhomboidale | Mayer | image | ||
| Achnanthidium lanceolatum var. rusticum | Steinecke | image | ||
| Achnanthidium lyra | Schumann | image | ||
| Achnanthidium macrocephalum | (Hustedt) F.E. Round & L. Bukhtiyarova | image | ||
| Achnanthidium microcephalum | Kützing | image | ||
| Achnanthidium minutissimum | (Kützing) D.B. Czarnecki | image | ||
| Achnanthidium minutum | Cleve | image | ||
| Achnanthidium naviculoides | Reinsch | image | ||
| Achnanthidium neglectum | Schumann | image | ||
| Achnanthidium obliquum_('obliqua') | Mereschkowsky | image | ||
| Achnanthidium obtusum | Schumann | image | ||
| Achnanthidium otrantinum | Rabenhorst | image | ||
| Achnanthidium rostratum_('rostrata') "Østrup" | image | |||
| Achnanthidium saprophilum_('saprophila') | (H. Kobayasi & S. Mayama) F.E. Round & L. Bukhtiyarova | image | ||
| Achnanthidium subhungaricum | Gutwinski | image | ||
| Achnanthidium subsessile | (Kützing) Heiberg | image | ||
| Achnanthidium subsessile var. tumidulum 'Grunow' | image | |||
| Achnanthidium undulatum | Schumann | image | ||
| Achnanthidium zelleri | Kirchner | image | ||
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