VAN DE VIJVER, Bart, Luc ECTOR, & Tanja M. SCHUSTER 2020 (Dec. 23) Observations on and typification of Navicula difficilis Grunow and its transfer to the genus Humidophila R.L.Lowe & al. (Diadesmidaceae, Bacillariophyta) Notulae algarum 173: 1-5, 19 figs. |