1. Forma Navicula latissima f. curta (Molder) Cleve-Euler, 1953 (uncertain > unassessed)
2. Forma Navicula latissima f. kamorthensis (Grunow) Hustedt, 1966 accepted as Navicula kamorthensis Grunow, 1863 (uncertain > unassessed)
3. Forma Navicula latissima f. latissima Gregory, 1856 (uncertain > unassessed)
4. Forma Navicula latissima f. rostrata Heiden, 1900 (uncertain > unassessed)
5. Variety Navicula latissima var. demerarae Grunow in Cleve & Möller, 1879 (uncertain > unassessed)

Brockmann, C. (1928). Die Diatomeen in marinen Quartär Hollands. Abhandlugen der Senckenbergischen Naturforschenden Gesellschaft, Frankfurt am Main, 41: 117-187, pls. 1-4.
page(s): p. 182; pl. 4, fig. 19 [details] 

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Navicula latissima sensu Brockmann, 1928. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=962841 on 2025-05-11

Marine Species Traits editorial board (2025). Marine Species Traits. Navicula latissima sensu Brockmann, 1928. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=962841 on 2025-05-11

[taxonomic tree]