Brachysira zellensis f. difficilis ( ) P.B.Hamilton 1992
Brachysira zellensis f. difficilis (Grunow) P.B.Hamilton 1992: 29 (table 4)
Published in: Hamilton, P.B., Poulin, M., Charles, D.F. & Angell, M. (1992). Americanarum Diatomarum Exsiccata: CANA, Voucher Slides from Eight Acidic Lakes in Northeastern North America. Diatom Research 7(1): 25-36.
Status of name
This name is currently regarded as a synonym of Humidophila difficilis (Grunow) Van de Vijver, Ector & T.M.Schuster
Navicula difficilis Grunow
Type locality: Uncertain, perhaps Central America (Van de Vijver & al. 2020: 2). Lectotype (designated by Van de Vijver, Ector & T.M.Schuster): on liverwort. BR BR-4633, prepared from Grunow sample 1854, original dried material (Van de Vijver & al. 2020: 2). Notes: Isolectotypes: slide W0127019 and slide W0127020, both from Grunow sample 1854 (W).
No synonyms are currently included in AlgaeBase.
This is a freshwater species.
Source of current name
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, 19 figs.
Created: 11 April 2002 by M.D. Guiry
Verified by: 23 December 2020 by M.D. Guiry
Accesses: This record has been accessed by users 261 times since it was created.
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=33218
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 September 2021.