| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Achnanthes kryophila var. protracta Hustedt in Schmidt et al. 1937, pl. 409, fig. 18-19 | |||
| Status | Invalid | ||
| Comments | No description. Validated by Simonsen 1987, p. 227 (ref. 0003164) | ||
| Published in | Schmidt, A. 1937 [ref. 012520]. Atlas der Diatomaceen-kunde. Leipzig. O.R. Reisland Series VIII(Heft 103):pls. 409-412. [F. Hustedt] | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |