| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
| About the On-line Catalogue | Introduction & Acknowledgements | Search the On-line Catalogue | Instructions on Searching for Species | Instructions on Searching for Genera | Instructions on Searching for Publications | Citing the Catalogue of Diatom Names | Contact Us |
| Navicula directa var. gianfranceschii Zanon 1929, p. 442; fig. 3-7 | |||
| Status | Valid | ||
| Published in | Zanon, V. 1929 [ref. 000929]. Diatomee della Baia Del Re (Swalbard). Memorie della Pontificia Accademia delle Scienze, Nuovi Lincei, Serie II, 12:419-464, 1 pl. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |