Traits taxon details
original description
Lange-Bertalot, H.; Ulrich, S. (2014). Contributions to the taxonomy of needle-shaped Fragilaria and Ulnaria species. <em>Lauterbornia.</em> 78: 1-73, 30 pl., 2 tables. [details]
additional source
Van de Vijver, B.; Williams, D. M.; Kusber, W.-H.; Cantonati, M.; Hamilton, P. B.; Wetzel, C. E.; Ector, L. (2022). Fragilaria radians (Kützing) D.M.Williams et Round, the correct name for F. gracilis (Fragilariaceae, Bacillariophyta): a critical analysis of this species complex in Europe. <em>Fottea.</em> 22(2): 256-291., available online at https://doi.org/10.5507/fot.2022.006 page(s): 269; note: Figs 166–215 [details] Available for editors
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