Ardissonea fulgens var. maeotica (Pantocsek) M. Peragallo, 1903 accepted as
Synedra fulgens var. maeotica Pantocsek, 1902 (new combination reference)
Ardissonea fulgens var. minor (Rabenhorst) M. Peragallo, 1903 accepted as
Synedra fulgens f. minor Rabenhorst, 1864 (new combination reference)
Caloneis liber f. tenuistriata (Cleve) M. Peragallo, 1903 accepted as
Caloneis liber f. tenuistriata Cleve, 1894 (new combination reference)
Diploneis oculata var. atomus (Rabenhorst) M. Peragallo, 1903 accepted as
Navicula oculata var. atomus (Kützing) Rabenhorst (new combination reference)
Navicula acrosphaeria var. turgida (Grunow manuscript, Cleve) M.Peragallo, 1903 accepted as
Pinnularia acrosphaeria f. turgidula Grunow ex Cleve, 1895 (new combination reference)
Navicula acrosphaeria var. undulata (Cleve) M. Peragallo, 1903 accepted as
Pinnularia acrosphaeria var. undulata Cleve, 1895 (new combination reference)
Navicula americana var. minor Héribaud & Peragallo (new combination reference)
Navicula amphisbaena var. liburnica (Grunow) M. Peragallo, 1903 (new combination reference)
Navicula amphisbaena var. vukotinowicii (Pantocsek) M. Peragallo, 1903 (new combination reference)
Navicula australis (Petit) M. Peragallo, 1903 accepted as
Stauroneis velata var. australis Petit, 1888 (new combination reference)
Navicula balfouriana (Grunow ms., Cleve) M.Peragallo, 1903 accepted as
Pinnularia balfouriana var. balfouriana Grunow ex Cleve, 1895 (new combination reference)
Navicula biceps var. stauroneiformis M. Peragallo, 1903 (original description)
Navicula biconstricta (Grunow) M.Peragallo, 1903 accepted as
Navicula trochus var. biconstricta Grunow, 1878 (new combination reference)
Navicula bohemica var. tropicalis (Brun) M. Peragallo, 1903 (new combination reference)
Navicula brebissonii var. mormonorum (Grunow) M.Peragallo, 1903 accepted as
Navicula mormonorum Grunow ex A.Schmidt, 1876 (new combination reference)
Navicula brebissonii var. subcapitata (Rabenhorst) M. Peragallo, 1903 accepted as
Pinnularia brebissonii var. subcapitata Rabenhorst, 1864 (new combination reference)
Navicula brevicostata var. demerarae (Cleve) M. Peragallo, 1903 accepted as
Pinnularia brevicostata var. demerarae Cleve, 1895 (new combination reference)
Navicula brevicostata var. plana (Brun) M. Peragallo, 1903 accepted as
Pinnularia brevicostata var. plana Brun, 1901 (new combination reference)
Navicula castracanei var. caledonica (Cleve) M. Peragallo, 1903 accepted as
Caloneis castracanei var. caledonica Cleve, 1894 (new combination reference)
Navicula castracanei var. philippinorum (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula castracanei var. seychellensis (Grunow Ms. Cleve) M. Peragallo, 1903 accepted as
Caloneis castracanei var. seychellensis Grunow ex Cleve, 1894 (new combination reference)
Navicula claviculus var. javanica (Cleve) M. Peragallo, 1903 accepted as
Pinnularia claviculus var. javanica Cleve, 1895 (new combination reference)
Navicula clavigera (Cleve) M. Peragallo, 1903 accepted as
Caloneis clavigera Cleve, 1894 (new combination reference)
Navicula constricta (Cleve) M. Peragallo, 1903 accepted as
Pinnularia constricta Cleve, 1895 (new combination reference)
Navicula cruciformis var. faeroensis (Østrup) M. Peragallo, 1903 (new combination reference)
Navicula dactylus var. gracilis (Heribaud) M. Peragallo, 1903 accepted as
Navicula gigas var. gracilis Héribaud, 1893 (new combination reference)
Navicula decorata (Brun) M. Peragallo, 1903 accepted as
Neidium decoratum var. decoratum Brun, 1901 (new combination reference)
Navicula demerarae Cleve, 1894 accepted as
Stauroneis demerarae Cleve, 1894 (new combination reference)
Navicula divergentissima var. subrostrata (A.Cleve) Peragallo, 1903 accepted as
Pinnularia divergentissima var. subrostrata A.Cleve, 1895 (new combination reference)
Navicula diversa (Østrup) M.Peragallo, 1903 accepted as
Pinnularia diversa Østrup, 1901 (new combination reference)
Navicula dusenii (Cleve) M. Peragallo, 1903 accepted as
Caloneis dusenii Cleve, 1894 (new combination reference)
Navicula elliptica var. minor (Rabenhorst) M. Peragallo, 1903 (new combination reference)
Navicula elliptica var. puella (Schumann) M.Peragallo, 1903 accepted as
Navicula puella Schumann, 1867 (new combination reference)
Navicula episcopalis var. africana (Cleve) M. Peragallo, 1903 accepted as
Pinnularia episcopalis var. africana Cleve, 1895 (new combination reference)
Navicula episcopalis var. brevis (Cleve) M. Peragallo, 1903 accepted as
Pinnularia episcopalis var. brevis Cleve, 1895 (new combination reference)
Navicula episcopalis var. episcopalis (Cleve) M. Peragallo, 1903 accepted as
Pinnularia episcopalis f. episcopalis Cleve, 1891 (new combination reference)
Navicula excellens var. excellens (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula excellens var. interrupta (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula exilis var. gomphonemacea (Grunow in Van Heurck) M. Peragallo, 1903 accepted as
Navicula gomphonemacea Grunow in Van Heurck, 1880 (new combination reference)
Navicula fasciata var. lenticularis (Østrup) M. Peragallo, 1903 accepted as
Caloneis fasciata var. lenticularis Østrup, 1901 (new combination reference)
Navicula fasciculata (Grunow ex Cleve) Hustedt, 1961 accepted as
Navicula scopulorum var. fasciculata Grunow ex Cleve, 1894 accepted as
Climaconeis fasciculata (Grunow ex Cleve) E.J.Cox, 1982 (new combination reference)
Navicula flexuosa var. flexuosa (Cleve) M. Peragallo, 1903 accepted as
Pinnularia flexuosa f. flexuosa Cleve, 1895 (new combination reference)
Navicula floridana Cleve, 1881 (new combination reference)
Navicula foerarmensis M. Peragallo, 1903 (original description)
Navicula forficula (O'Meara) M. Peragallo, 1903 accepted as
Pinnularia forficula O'Meara, 1867 (new combination reference)
Navicula formosa var. interrupta (Cleve) M. Peragallo, 1903 accepted as
Caloneis formosa var. interrupta Cleve, 1894 (new combination reference)
Navicula formosa var. quadrilineata (Grunow in Cleve & Möller) M.Peragallo, 1903 accepted as
Navicula quadrilineata Grunow, 1879 (new combination reference)
Navicula franconiana (Reinsch; Rabenhorst) M. Peragallo, 1903 (new combination reference)
Navicula frater (Cleve) M. Peragallo, 1903 accepted as
Caloneis frater Cleve, 1894 (new combination reference)
Navicula gracilis var. acuminata (Brun) M. Peragallo, 1903 accepted as
Navicula neglecta var. acuminata Brun, 1880 (new combination reference)
Navicula grevillei var. comoides Peragallo (new combination reference)
Navicula groenlandica (Østrup) M. Peragallo, 1903 accepted as
Libellus groenlandica Østrup, 1897 (new combination reference)
Navicula hardmaniana (Cleve) M. Peragallo, 1903 accepted as
Caloneis hardmaniana Cleve, 1894 (new combination reference)
Navicula hemiptera var. interrupta (Cleve) M.Peragallo, 1903 accepted as
Pinnularia hemiptera var. interrupta Cleve, 1895 accepted as
Pinnularia hybrida var. interrupta Cleve-Euler, 1934 (new combination reference)
Navicula iridis var. luminosa (Brun) M. Peragallo, 1903 (new combination reference)
Navicula karelia (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula kariana var. curta (Cleve) R.Ross, 1986 (new combination reference)
Navicula kjellmanii var. cuneata (Østrup) M. Peragallo, 1903 accepted as
Navicula vegae var. cuneata Østrup, 1895 (new combination reference)
Navicula lacuslemanii var. lacuslemanii (Brun) M. Peragallo, 1903 accepted as
Diploneis lacuslemanii Brun, 1895 (new combination reference)
Navicula lagerheimii Cleve, 1894 accepted as
Pinnularia lagerheimii var. lagerheimii A. Cleve, 1895 (new combination reference)
Navicula lanceolata var. minuta (Rabenhorst) M. Peragallo, 1903 (new combination reference)
Navicula latiuscula var. africana (Cleve) M. Peragallo, 1903 accepted as
Caloneis latiuscula var. africana Cleve, 1894 (new combination reference)
Navicula liber f. tenuistriata (Cleve) M. Peragallo, 1903 accepted as
Caloneis liber f. tenuistriata (Cleve) M. Peragallo, 1903 accepted as
Caloneis liber f. tenuistriata Cleve, 1894 (new combination reference)
Navicula liber var. holuboi (Pantocsek) M. Peragallo, 1903 accepted as
Navicula holubyi Pantocsek, 1886 (new combination reference)
Navicula liber var. relegata (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula lignitica (Cleve) M. Peragallo, 1903 accepted as
Pinnularia lignitica Cleve, 1895 (new combination reference)
Navicula limosa var. alpina (Cleve) Peragallo, 1903 accepted as
Caloneis silicula var. alpina Cleve, 1894 (new combination reference)
Navicula limosa var. capitata (Lagerstedt) M. Peragallo, 1903 accepted as
Navicula gibberula var. capitata Lagerstedt, 1873 (new combination reference)
Navicula lyra f. abnormis (Grunow in Schmidt et al.) M. Peragallo, 1903 accepted as
Navicula lyra var. abnormis Grunow in Schmidt et al., 1874 (new combination reference)
Navicula major f. conjugata (Turpin) M. Peragallo, 1903 accepted as
Navicula conjugata Turpin, 1828 (new combination reference)
Navicula major f. linearis (Cleve) M. Peragallo, 1903 accepted as
Pinnularia major f. linearis (Cleve) Dippel, 1905 (new combination reference)
Navicula major var. asymetrica (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula major var. crassa (Rabenhorst; Rabenhorst) M. Peragallo, 1903 accepted as
Pinnularia major var. crassa Rabenhorst, 1864 (new combination reference)
Navicula major var. turgidula (Cleve) M.Peragallo, 1903 accepted as
Pinnularia major var. turgidula Cleve, 1895 (new combination reference)
Navicula mesogongyla var. interrupta (Cleve) M. Peragallo, 1903 accepted as
Pinnularia mesogongyla var. interrupta Cleve, 1891 (new combination reference)
Navicula mesolepta var. tenuis (A. Cleve) M. Peragallo, 1903 accepted as
Pinnularia mesolepta f. tenuis A. Cleve, 1895 (new combination reference)
Navicula musca var. eurynota (Cleve) M. Peragallo, 1903 accepted as
Caloneis musca var. eurynota Cleve, 1894 (new combination reference)
Navicula musca var. marginopunctata (Grove & Sturt) M. Peragallo, 1903 accepted as
Navicula marginopunctata Grove & Sturt, 1887 (new combination reference)
Navicula nodosa var. capitata (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula nodosa var. curta (Rabenhorst) M. Peragallo, 1903 (new combination reference)
Navicula nodosa var. formica (Ehrenberg) Peragallo, 1903 † accepted as
Navicula formica Ehrenberg, 1843 accepted as
Pinnularia formica (Ehrenberg) R.M.Patrick, 1966 † (new combination reference)
Navicula oblonga var. macilenta (Ehrenberg) Peragallo, 1903 accepted as
Navicula macilenta Ehrenberg, 1837 † (new combination reference)
Navicula oregonica var. oregonica (Cleve) M. Peragallo, 1903 accepted as
Pinnularia oregonica Cleve, 1895 (new combination reference)
Navicula parallela (Brun) M.Peragallo, 1903 † accepted as
Pinnularia parallela var. parallela Brun, 1895 (new combination reference)
Navicula patagonica (P.T.Cleve) M.Peragallo accepted as
Caloneis patagonica (Cleve) Cleve, 1894 (new combination reference)
Navicula patagonica var. patagonica (Cleve) M. Peragallo, 1903 accepted as
Navicula viridis var. patagonica Cleve, 1881 accepted as
Caloneis patagonica (Cleve) Cleve, 1894 (new combination reference)
Navicula pinnularia var. fluminensis (Grunow) M. Peragallo, 1903 accepted as
Navicula fluminensis var. fluminensis Grunow, 1860 (new combination reference)
Navicula pinnularia var. kerguelensis (Cleve & Grunow) M. Peragallo, 1903 accepted as
Navicula fluminensis var. kerguelensis Grunow (new combination reference)
Navicula producta var. polygibba (Brun) M. Peragallo, 1903 accepted as
Neidium productum var. polygibba Brun, 1901 (new combination reference)
Navicula quadratarea var. soederlundii (Cleve in Cleve & Grunow) M. Peragallo, 1903 accepted as
Navicula pinnularia var. soederlundii Cleve, 1880 (new combination reference)
Navicula rectangulata var. lumen (H. Peragallo) M. Peragallo, 1903 accepted as
Navicula lumen H. Peragallo, 1888 (new combination reference)
Navicula rectangulata var. stauntonii (Grunow in Cleve & Möller) M. Peragallo, 1903 accepted as
Alloioneis stauntonii Grunow, 1882 (new combination reference)
Navicula rectangulata var. subundulata (Cleve) M. Peragallo, 1903 (new combination reference)
Navicula reichardtii var. tschuktschorum (Cleve; Cleve) M. Peragallo, 1903 accepted as
Navicula tschuktschorum Cleve, 1883 (new combination reference)
Navicula schliephackeana (Grunow in litt., Rabenhorst) M. Peragallo, 1903 accepted as
Nitzschia schliephackeana Grunow ex Rabenhorst, 1864 (new combination reference)
Navicula spectabilis var. moelleriana (Janisch in Schmidt et al.) M. Peragallo, 1903 accepted as
Navicula bullata var. moelleriana Janisch in Schmidt et al., 1881 (new combination reference)
Navicula sphaerophora var. peragalli (Brun & Heribaud in Heribaud) M. Peragallo, 1903 accepted as
Navicula serians var. peragalli Brun & Héribaud in Héribaud, 1893 (new combination reference)
Navicula spitsbergensis var. spitsbergensis (Cleve) M. Peragallo, 1903 accepted as
Pinnularia spitsbergensis f. spitsbergensis Cleve, 1895 (new combination reference)
Navicula spitsbergensis var. stomatophora (Cleve) Peragallo, 1903 accepted as
Pinnularia spitsbergensis var. stomatophora Cleve, 1895 (new combination reference)
Navicula stauroptera var. capitata (A. Cleve) M. Peragallo, 1903 accepted as
Pinnularia stauroptera var. capitata A. Cleve, 1895 (new combination reference)