| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Isthmia enervis var. subcylindrica Ralfs 1846, p. 31; pl. 5, fig. 1b | |||
| Published in | Ralfs, J. 1846 [ref. 001835]. On the Diatomaceae. Transactions of the Botanical Society of Edinburgh 2:13-42, pl. 3-7. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |