| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Pinnularia duplex Spuris 1958 | |||
| Published in | Spuris, Z. 1958 [ref. 002579]. Musu ezeru biologija. Riga LVI:100 pp.,33 ill. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |