Van de Vijver, B., Goeyers, C., Ector, L. and Kusber, W-H. (2021) On the taxonomic identity of Humidophila contenta (Grunow) R.L.Lowe & al. and H. biceps (Grunow) Furey & al. (Diadesmidaceae, Bacillariophyta) Notulae Algarum 265: (8 November 2022)