| 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 crucicula var. protracta Grunow in Cleve & Grunow 1880, p. 35; pl. 2, fig. 38 | |||
| Status | Invalid | ||
| Published in | Cleve, P.T. and Grunow, A. 1880 [ref. 000241]. Beiträge zur Kenntniss der Arctischen Diatomeen. Kongliga Svenska-Vetenskaps Akademiens Handlingar 17(2):121 pp., 7 pls. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |
| List of nomenclatural synonyms | Navicula lundstroemii var. protracta (Grunow in Cleve & Grunow) Kolbe 1927 Navicula protracta (Grunow in Cleve & Grunow) Cleve 1894 Pinnularia protracta (Grunow in Cleve & Grunow) Mayer 1913 Placoneis protracta (Grunow in Cleve & Grunow) Mereschkowsky 1903 | ||