Silva Center for Phycological Documentation

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Navicula gemma Ehrenberg

Abh. Königl. Akad. Wiss. Berlin, Physik. Kl. 1839: 156, pl. IV: fig. V. 1840. (L)
Type: BHUPM; specimen of Taxonomic preparations No. 540032-3 (LT fide Jahn & Kusber, 2004)
Type locality: Germany: mouth of Elbe near Cuxhaven

See image Surirella gemma (Ehrenberg) Kützing 1844
See image Novilla gemma (Ehrenberg) Heiberg 1863
See image Suriraya gemma (Ehrenberg) Pfitzer 1871
See Petrodictyon gemma (Ehrenberg) D.G. Mann 1990 (inval.) (T)

Retrieve all Navicula

Get original family assignment from Index Nominum Genericorum

Check for UC specimen record

Problems/comments to rlmoe@berkeley.edu