| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Pinnularia directa W. Smith 1853, p. 56; pl. 18, fig. 172 b | |||
| Status | Valid | ||
| Published in | Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Type Locality | Language of description | E | |
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Navicula directa (W. Smith) Ralfs in Pritchard 1861 Navicula directa (W. Smith) Brébisson 1854 Schizonema directum (W. Smith) Kuntze 1898 | ||