| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Schizonema directum (W. Smith) Kuntze 1898, p. 552 | |||
| Basionym | Pinnularia directa W. Smith 1853 | ||
| Published in | Kuntze, O. 1898 [ref. 001332]. Revisio Generum Plantarum. Part III. Leipzig. pp. [1]-576. | ||
| 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 directa (W. Smith) Ralfs in Pritchard 1861 Pinnularia directa W. Smith 1853 Navicula directa (W. Smith) Brébisson 1854 | ||