| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Navicula lundstroemii var. protracta (Grunow in Cleve & Grunow) Kolbe 1927, p. 62 | |||
| Basionym | Navicula crucicula var. protracta Grunow in Cleve & Grunow 1880 | ||
| Status | Valid | ||
| Published in | Kolbe, R.W. 1927 [ref. 001311]. Zur Ökologie, Morphologie und Systematik der Brackwasser-Diatomeen. Die Kieselalgen des Sperenberger Salzgebiets. Pflanzenforschung 7:1-146, 3 pls. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Navicula crucicula var. protracta Grunow in Cleve & Grunow 1880 Navicula protracta (Grunow in Cleve & Grunow) Cleve 1894 Pinnularia protracta (Grunow in Cleve & Grunow) Mayer 1913 Placoneis protracta (Grunow in Cleve & Grunow) Mereschkowsky 1903 | ||