159,931 species and infraspecific names are in the database, 22,564 images, 61,942 bibliographic items, 469,149 distributional records.

Species References

Synedra ulna (Nitzsch) Ehrenberg

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Fujita, M. & Hashizume, K. (1975). Status of uptake of mercury by the fresh water diatom, Synedra ulna. Water Resources 9: 889-894.
Lange-Bertalot, H. & Compère, P. (2001). Fragilaria subgen. Ulnaria, comb. nov., the correct name of the genus including Synedra ulna, when treated in Fragilaria. Diatom Research 16(1): 103-104.
Le Cohu, R. (1988). Fragilaria alpestris, Opephora naveana nov. sp. et le complexe Synedra ulna (Bacillariophycées, Araphidinées): morphologie et ultrastructure. Cryptogame Algologie 9: 101-116.
Le Cohu, R. (1988). Fragilaria alpestris, Opephora naveana nov. sp. et le complexe Synedra ulna (Bacillariophycées, Araphidinées): morphologie et ultrastructure. Cryptogame Algologie 9: 101-116.
Roessler, P.G. (1988). Characteristics of abrupt size reduction in Synedra ulna (Bacillariophyceae). Phycologia 27: 294-297, 3 figs, 1 table.
You, Q., Liu, Y., Wang,Y. & Wang, Q. (2008). Synedra ulna var. repanda, a new variety of Synedra (Bacillariophyta) from Xinjiang, China. Chinese Journal of Natural Medicines 26(4): 419-420, 1 fig..

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