| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Synedra ulna f. subconstricta Mayer 1912, p. 4 | |||
| Published in | Mayer, A. 1912 [ref. 002078]. Regensburger Bacillarien (Diatomeen). I. Nachtrag. Denkschriften der Koniglich-Baierischen Botanischen Gesellschaft in Regensburg 11:291-300, 2 pls. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |