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Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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Neidium iridis var. firma (firmum) (Kützing) Mayer 1913, p. 114; pl. 11, fig. 17
BasionymNavicula firma Kützing 1844
Published inMayer, A. 1913 [ref. 000551]. Die Bacillariaceen der Regensburgen Gewasser. Systematischer Teil. Berichte des naturwissenschaftlichen (fruher zoologisch-mineralogischen) Vereines zu Regensburg 14:364 pp., 30 pls.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsNavicula affinis var. firma (Kützing) Rabenhorst 1864
Navicula firma Kützing 1844
Navicula iridis var. firma (Kützing) Van Heurck 1896
Neidium firma (Kützing) Pfitzer 1871