| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Gyrosigma intermedium var. nubecula (W. Smith) Griffith & Henfrey 1856, p. 302 | |||
| Basionym | Pleurosigma nubecula W. Smith 1853 | ||
| Published in | Griffith, J.W. and Henfrey, A. 1856 [ref. 001935]. Diatomaceae. In: The Micrographic Dictionary [1st edition]. John Van Boorst, Paternoster Row, London. | ||
| 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 | Pleurosigma intermedium var. nubecula (W. Smith) Van Heurck 1896 Pleurosigma nubecula W. Smith 1853 Scalprum (Scalptrum) nubecula (W. Smith) Kuntze 1891 | ||