| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Grammonema jurgensii var. alpha Ralfs 1846, p. 171; pl. 19, fig. 5 | |||
| Published in | Ralfs, J. 1846 [ref. 001836]. On some British Diatomaceae. Transactions of the Botanical Society of Edinburgh 2:171-183, pl. 18-19. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |