(ofAchnanthes lanceolata var. rostrata Hustedt, 1911)Hustedt, F. (1911). Beiträge zur Algenflora von Bremen. IV. Bacillariaceer aus der Wumme. <em>Abhandlungen des Naturwissenschaftlichen Verein zu Bremen.</em> 20(2): 257-315, Tafs 2-3. page(s): p. 279; pl. 3, fig. 34 [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. (2026). DiatomBase. Planothidium rostratoholarcticum Lange-Bertalot & Bak in Bak & Lange-Bertalot, 2014. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=1332905 on 2026-09-10
original description(ofAchnanthes lanceolata var. rostrata Hustedt, 1911)Hustedt, F. (1911). Beiträge zur Algenflora von Bremen. IV. Bacillariaceer aus der Wumme. <em>Abhandlungen des Naturwissenschaftlichen Verein zu Bremen.</em> 20(2): 257-315, Tafs 2-3. page(s): p. 279; pl. 3, fig. 34 [details]
additional sourceWetzel, C. E.; Van de Vijver, B.; Blanco, S.; Ector, L. (2019). On some common and new cavum-bearing Planothidium (Bacillariophyta) species from freshwater. <em>Fottea.</em> , available online athttps://doi.org/10.5507/fot.2018.016 page(s): 54; note: Figs 62–108, LM; 120–139, SEM. [details] Available for editors [request]
status sourceBąk, M.; Lange-Bertalot, H. (2014). Four small-celled Planothidium species from Central Europe proposed as new to science. <em>Oceanological and Hydrobiological Studies.</em> 43(4)., available online athttps://doi.org/10.2478/s13545-014-0152-9 page(s): 354; note: Figs 8: a–s, 9: a–g. [details] Available for editors [request]