| Name | Author | Source | Citation | Year |
|---|
| Amphora meridionalis | Z. Levkov | Diatoms of Europe | 5: 81, 289, pl. 55: figs. 18-30; pl. 166: figs. 1-6; pl. 167: figs. 1-5; pl. 196: fig. 5 | 2009 |
| Ancylonema meridionale | Kol | image |
| Caloneis meridionalis | Z. Levkov & S. Krstic in Levkov, Krstic, Metzeltin & Nakov | Icon. Diatomol. | 16: 36, pl. 186: figs. 7-12 | 2007 |
| Chara fragilis var. meridionalis | Braun | image |
| Chara fragilis var. meridionalis | Braun | image |
| Chara meridionalis | (A. Braun) A. Braun ex Kützing | image |
| Chara meridionalis | A. Braun | image |
| Cladophora meridionalis | Sakai & Yoshida | image |
| Cocconeis placentula var. meridionalis | J.-J. Brun | image |
| Cosmarium speciosum subsp. meridionale | Carlson | image |
| Denticulopsis meridionalis | Maruyama | image |
| Denticulopsis meridionalis | T. Maruyama in D.M. Harwood & T. Maruyama | Proc. Ocean Drilling Program, Sci. Results | 120: 702, pl. 7: figs. 1-5, 6-9, 11-13 | 1992 |
| Elachista meridionalis | Skottsberg | Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition 1901-1903 unter Leitung von Dr. Otto Nordenskjöld: | 4{6}: 53, fig. 65 | 1907 |
| EUMERIDION | F.T. Kützing | image |
| Eumeridion constrictum | (J. Ralfs) F.T. Kützing | image |
| Eunotia meridionalis | H. Lange-Bertalot & N. Tagliaventi in H. Lange-Bertalot et al. | Diatoms of Europe | 6: 150, pl. 69; pl. 70: figs. 1-8 | 2011 |
| Fallacia meridionalis | D. Metzeltin, H. Lange-Bertalot, & F. García-Rodríguez | Iconogr. Diatomol. | 15: 62, pl. 61: 30-37 | 2005 |
| Galene meridionalis | R. D'Archino & J. Zuccarello | Botanica Marina | 57: 197, figs. 48-54 | 2014 |
| Gomphonema meridionale_('meridionalum') | J.P. Kociolek & E.W. Thomas in E.W. Thomas, J.P. Kociolek, R.L. Lowe & J.R. Johansen | Beih. Nova Hedwigia | 135: 216, figs. 68-71, 75-82 | 2009 |
| Janczewskia meridionalis | M.T. Martin & Pocock | J. Linn. Soc. London, Bot. | 55: 62, figs. 3a,b | 1953 |
| Janczewskia meridionalis | Martin & Pocock | image |
| Laurencia meridionalis | (M.T. Martin & Pocock) M. Preuss, P. Díaz-Tapia, H. Verbruggen & G.C. Zuccarello | J. Phycol. | 59: 956 | 2023 |
| Maedleriella mangenotii subsp. meridionalis | M. Feist-Castel | Paléobiol. Continentale | 3(1): 7, pl. II: figs. 8-12 | 1972 |
| MERIDION | C. Agardh | image |
| Meridion alansmithii | L.A. Brant | Southeastern Naturalist | 2: 412, figs. 1-8 | 2003 |
| Meridion anceps | (Ehrenberg) D.M. Williams | Biblioth. Diatomol. | 8: 182 | 1985 |
| Meridion circulare | (Greville) C. Agardh | image |
| Meridion circulare f. constrictum_('constricta') | (Ralfs) Cleve-Euler | image |
| Meridion circulare f. elongatum | (Grunow) Hustedt | image |
| Meridion circulare f. gracile_('gracilis') | A. Mayer | image |
| Meridion circulare f. montrosa | Gutwinski | image |
| Meridion circulare f. ovatum_('ovata') | Cleve-Euler | image |
| Meridion circulare subf. curvatum_('curvata') | A. Mayer | image |
| Meridion circulare subf. curvatum_('curvata') | A. Mayer | image |
| Meridion circulare var. constrictum | (Ralfs) Brun | image |
| Meridion circulare var. curvatum | Kützing | image |
| Meridion circulare var. genuinum | Kirchner | image |
| Meridion circulare var. incostata | A. Mayer | Denkschr. K. Bayer. Bot. Ges. | 13: 19, pl. I: fig. 18 | 1917 |
| Meridion circulare var. latum | H. Kufferath | image |
| Meridion circulare var. minus | (Grunow) Carlson | image |
| Meridion circulare var. subcapitatum | Skvortzov | image |
| Meridion circulare var. zinckenii_('zinkenii') | (Kützing) Grunow | image |
| Meridion coccocampyla | Ehrenberg | image |
| Meridion constrictum | Ralfs | image |
| Meridion constrictum var. crenulatum_('crenulata') | Pantocsek & Greguss | image |
| Meridion constrictum var. elongatum | Grunow | image |
| Meridion constrictum var. genuinum | Kirchner | image |
| Meridion constrictum var. grunowii | Kirchner | image |
| Meridion constrictum var. turocense_('turocensis') | Eber | image |
| Meridion constrictum var. zuskenii | Lauby | image |
| Meridion cordatum | Corda | Alman. Carlsbad | 5: 208, pl. IV: figs. 51, 52 | 1835 |
| Meridion flabellum | (Ehrenberg) Ehrenberg | image |
| Meridion heribaudii_('heribaudi') | Peragallo | image |
| Meridion hohii | K.M. Rhode in K.M. Rhode, J.L. Pappas, & E.F. Stoermer | J. Phycol. | 37: 182, fig. 2:m | 2001 |
| Meridion humerosum | A. Neplyukhina & D. Chudaev | Phytotaxa | 587: 26, figs. 4-48 | 2023 |
| Meridion intermedium | H.L. Smith | image |
| Meridion lineare | D.M. Williams | Biblioth. Diatomol. | 8: 189, pl. 4: figs. 45-47 [miscited 42-44]; pl. 26: figs. 175-180; p. 27: figs. 181-186 | 1985 |
| Meridion marinum | Gregory | Trans. Roy. Soc. Edinburgh | 21: 497, pl. X: fig. 41 | 1857 |
| Meridion ovatum | C. Agardh | image |
| Meridion panduriforme | (Ehrenberg) Ehrenberg | Infusionsthierchen: | 208 | 1838 |
| Meridion pupula | Ehrenberg | image |
| Meridion radians | C. Agardh | image |
| Meridion vernale | C. Agardh | image |
| Meridion vernale var. agglutinatum | C. Agardh | image |
| Meridion zinckenii_('Zinckeni') | Kützing | image |
| MERIDIONACEA | Fjerdingstad | image |
| MERIDIONACEAE | Frank | image |
| MERIDIONACEAE | Lemmermann | image |
| MERIDIONEAE | Grunow | image |
| MERIDIONEAE | Grunow | image |
| MERIDIONEAE | Kirchner | image |
| MERIDIONEAE | Schütt | image |
| MERIDIONELLA | G.A. Tonicelli, M.E. Croce & M.H. Hommersand in Tonicelli et al. | J. Phycol. | 57: 801 | 2021 |
| Meridionella antarctica | M.H. Hommersand in Tonicelli et al. | J. Phycol. | 57: 807, fig. 9 | 2021 |
| Meridionella obtusangula | (J. Hooker & Harvey) G.A. Tonicelli, M.E. Croce & M.H. Hommersand in Tonicelli et al. | J. Phycol. | 57: 803 | 2021 |
| MERIDIONINAE | Schoenichen | image |
| MERIDIONOIDEAE | Karsten | image |
| Microcostatus meridionalis | Peszek, M. Rybak & Kochman-Kedziora in Rybak et al. | PhytoKeys | 181: 10, fig. 4 | 2021 |
| Muelleria meridionalis | S.A. Spaulding & E.F. Stoermer | Diatom Research | 12: 102, figs. 6, 7 | 1997 |
| Muelleria meridionalis | Spaulding & Stoermer | image |
| Navicula cruxmeridionalis | D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez | Iconogr. Diatomol. | 15: 126, pl. 46: figs. 30-45; pl. 236: fig. 1 | 2005 |
| Navicula meridionalis | Hustedt | image |
| Neoporphyra meridionalis | (M.M. Reddy, R.J. Anderson & J.J. Bolton) M.M. Reddy | Notulae algarum | 142: 2 | 2020 |
| Oedogonium meridionale | Arnoldi & Roll | image |
| Olokunia meridionalis | (G.J. Hollenberg & I.A. Abbott) E.M.S. Pestana, G.M. Lyra, V. Cassano & J.M.C. Nunes in Pestana et al. | Journal of Phycology | 57: 1792 | 2021 |
| Peyssonnelia meridionalis | G.J. Hollenberg & I.A. Abbott | Can. J. Bot. | 46: 1244, fig. 9 | 1968 |
| Prasiola meridionalis | Setchell & Gardner | image |
| Prasiola meridionalis | Setchell & N.L. Gardner | Univ. Calif. Publ. Bot. | 7: 291, pl. 25: fig. 2 | 1920 |
| Pyropia meridionalis | M.M. Reddy, R.J. Anderson & J.J. Bolton in Reddy et al. | S. African J. Botany | 131: 26, fig. 4 | 2020 |
| Raskyella peckii subsp. meridionalis_('meridionale') | L.J. Grambast | image |
| Sarcodiotheca meridionalis | Setchell & Gardner | image |
| Sarcodiotheca meridionalis | Setchell & N.L. Gardner | Proc. Calif. Acad. Sci., ser. 4, | 22: 79, pl. 13: fig. 33 | 1937 |
| Sellaphora meridionalis | M.G. Potapova & K.C. Ponader | Harvard Papers in Botany | 13: 173, fig. 2 | 2008 |
| Sphacelaria cirrosa f. meridionalis | Sauvageau | J. Bot. [Paris] | 16: 409, 415, fig. 45 | 1902 |
| Sphacelaria pennata f. meridionalis | (Sauvageau) D.E.G. Irvine | Trans. Proc. Bot. Soc. Edinburgh | 37: 32 | 1956 |
| Spirogyra meridionalis | W.J. Zhu & Zhong | image |
| Ulva meridionalis | R. Horimoto & S. Shimada in Horimoto et al. | Bull. Natl. Mus. Nat. Sci., Ser. B, | 37(4): 161, figs. 3-17 | 2011 |