David M. Williams, Bart Van de Vijver (2021)
Studies on type material from Kützing's diatom collection III: Synedra splendens (Kütz.) Kütz., Synedra aequalis (Kütz.) Kütz. and a note on Synedra obtusa W.Sm..
Fottea21: 164.
DOI: 10.5507/fot.2021.004
David M. Williams, Saúl Blanco (2019)
Studies on type material from Kützing’s diatom collection II: Synedra acus Kützing, Synedra arcus Kützing, their morphology, types and nomenclature.
Diatom Research34: 237.
DOI: 10.1080/0269249X.2020.1711534
Paula C. Furey, Sylvia S. Lee, Daniel L. Clemans (2020)
Substratum‐associated microbiota.
Water Environment Research92: 1629.
DOI: 10.1002/wer.1410
Bing Liu, David M. Williams (2020)
From chaos to order: the life history of Hannaea inaequidentata (Lagerstedt) Genkal and Kharitonov (Bacillariophyta), from initial cells to vegetative cells.
PhytoKeys162: 81.
DOI: 10.3897/phytokeys.162.56136
Bart Van de Vijver, David M. Williams, Wolf-Henning Kusber, Marco Cantonati, Paul B. Hamilton, Carlos E. Wetzel, Luc Ector (2022)
Fragilaria radians (Kützing) D.M.Williams et Round, the correct name for F. gracilis (Fragilariaceae, Bacillariophyta): a critical analysis of this species complex in Europe.
Fottea22: 256.
DOI: 10.5507/fot.2022.006
Bart Van de Vijver, Tanja M. Schuster, Gunnar Steinn Jónsson, Iris Hansen, David M. Williams, Wolf-Henning Kusber, Carlos E. Wetzel, Luc Ector (2023)
A critical analysis of the Fragilaria vaucheriae complex (Bacillariophyta) in Europe.
Fottea23: 62.
DOI: 10.5507/fot.2022.013
David M. Williams (2020)
Modern Trends in Diatom Identification.
Chapter 2: 11.
DOI: 10.1007/978-3-030-39212-3_2