| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Navicula iridis var. firma (Kützing) Van Heurck 1896, p. 221 | |||
| Basionym | Navicula firma Kützing 1844 | ||
| Status | valid | ||
| Published in | Van Heurck, H. 1896 [ref. 000897]. A Treatise on the Diatomaceae. Translated by W.E. Baxter. William Wesley & Son, London. 558 pp., 35 pls. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Navicula affinis var. firma (Kützing) Rabenhorst 1864 Navicula firma Kützing 1844 Neidium firma (Kützing) Pfitzer 1871 Neidium iridis var. firma (firmum) (Kützing) Mayer 1913 | ||