(ofSynedra acus var. ostenfeldii Krieger, 1927)Krieger, W. (1927). Zur Biologie des Flussplanktons. Untersuchungen uber das Potamoplankton des Havelgebietes. Pflanzenforschung, 10: 1-61. page(s): p. 36; pl. 3, fig. 29 a [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. Fragilaria ostenfeldii (Willi Krieg.) Van de Vijver, Alexson & Reavie in Van de Vijver et al., 2020. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=1469295 on 2026-09-06
original description(ofSynedra acus var. ostenfeldii Krieger, 1927)Krieger, W. (1927). Zur Biologie des Flussplanktons. Untersuchungen uber das Potamoplankton des Havelgebietes. Pflanzenforschung, 10: 1-61. page(s): p. 36; pl. 3, fig. 29 a [details]
original description(ofSynedra acus subsp. ostenfeldii (Willi Krieg.) Skabichevskii)Skabichevskii, A.P. (1960). Planktonnye diatomovye vodorosli presnykh vod SSSR: sistematika, kologia i rasprostranenie.Izd-vo Miskovskogo Universiteta; Mater. k Poznan. <em>Fauny Flory SSSR Otdel Bot., N.S., Vyp.</em> 11: 1-348. page(s): 253. [details]
new combination referenceVan de Vijver, B.; Alexson, E. E.; Reavie, E. D.; Straub, F.; Jónsson, G. S.; Ector, L. (2020). Analysis of the type of Synedra acus var. ostenfeldii (Bacillariophyta) and its transfer to the genus Fragilaria. <em>Botany Letters.</em> 1-11., available online athttps://doi.org/10.1080/23818107.2020.1845973 page(s): 4; note: This is comb. nov., stat. nov. [details] Available for editors [request]