| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Placoneis protracta var. maxima (Cleve) Mereschkowsky 1903, p. 16 | |||
| Basionym | Navicula protracta var. maxima Cleve 1894 | ||
| Status | Valid | ||
| Published in | Mereschkowsky, C. 1903 [ref. 001384]. Uber Placoneis, ein neues Diatomeen-Genus. Beihefte zum Botanischen Centralblatt 15(1):1-30, pl. 1. | ||
| 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 protracta var. maxima Cleve 1894 | ||