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. (2024). DiatomBase.
Synedra ulna var. subcontracta Østrup in Héribaud et al., 1920. Accessed through: VLIZ Consortium Scheldt Species Register at: https://scheldemonitor.nl/speciesregister/aphia.php?p=taxdetails&id=978990 on 2024-11-22
VLIZ Consortium. Scheldt Species Register.
Synedra ulna var. subcontracta Østrup in Héribaud et al., 1920. Accessed at: https://scheldemonitor.org/speciesregister/aphia.php?p=taxdetails&id=978990 on 2024-11-22