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Van de Vijver, B., Ector, L. & Schuster, T.M. (2020). 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.
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Van de Vijver, B., Ector, L. & Schuster, T.M.
2020
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.
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Anomoeoneis zellensis f. difficilis (Grunow in Van Heurck) Hustedt, 1959 accepted as Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster, 2020 (new combination reference)
Brachysira zellensis f. difficilis (Grunow) P.B.Hamilton, 1992 accepted as Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster, 2020 (source of synonymy)
Navicula difficilis Grunow in Van Heurck, 1880 accepted as Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster, 2020 (additional source)
Brachysira zellensis f. difficilis (Grunow) P.B.Hamilton, 1992 accepted as Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster, 2020 (source of synonymy)
Navicula difficilis Grunow in Van Heurck, 1880 accepted as Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster, 2020 (additional source)
