Fragilaria | Genera - Diatoms of North America

Fragilaria Guide

Category

Araphid
Class

Fragilariophyceae
Order

Fragilariales
Family

Fragilariaceae

Type Species

Fragiliaria pectinalis (O. Müller) Lyngbye

Contributor

Sarah Spaulding, Mark Edlund - Dec 2008
Reviewer

Sam Rushforth - May 2010

Species
Citations & Links

Citations & Links

Citations

Alexson, E.E., Reavie, E.D., Van de Vijver, B., Wetzel, C., Ector, L., Wellard Kelly, H.A., Aliff, M.N. and Estepp, L.R. (2022) Revision of the needle-shaped Fragilaria species (Fragilariaceae, Bacillariophyta) in the Laurentian Great Lakes (United States of America, Canada) Journal of Great Lakes Research

Publication Link: 10.1016/j.jglr.2022.04.006
Almeida, P.D., Morales, E.A., Wetzel, C.E., Ector, L. and Bicudo, D.C. (2016) Two new diatoms in the genus Fragilaria Lyngbye (Fragilariophyceae) from tropical reservoirs in Brazil and comparison with type material of F. tenera Phytotaxa 246 (3): 163–183

Publication Link: 10.11646/phytotaxa.246.3.1
Cahoon A.B. and Nienow, J.A. (2025) Fragilaria holstonensis (Bacillariophyceae: Fragilariaceae), a new species of needle-shaped diatom from a pond in the Appalachian Mountains of Virginia. Diatom Research

Publication Link: 10.1080/0269249X.2025.2565003
Heudre, D., Wetzel, C.E., Moreau, L., Van de Vijver, B. and Ector, L. (2019) On the identity of the rare Fragilaria subconstricta (Fragilariaceae), with Fragilaria speciesforming ribbon-like colonies shortly reconsidered. Plant Ecology and Evolution 152: 327–339.

Publication Link: 10.5091/plecevo.2019.1619
Hustedt, F. (1930) Die Kieselalgen Deutschlands, Osterreichs und der Schweiz mit Berucksichtigung der ubrigen Lander Europas sowie der angrenzenden Meersgebiete. In: Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Osterreich und der Schweiz. Leipzig, Akademische Verlagsgesellschaft Geest und Portig K.-G. Vol. 7, Part 3, pp. 557-816.
Krammer, K. and Lange-Bertalot, H. (1991) Bacillariophyceae. 3. Teil: Centrales, Fragilariaceae, Eunotiaceae In Ettl, H., Gerloff, J., Heynig, H. & Mollenhauer, D. (Eds.). Süsswasserflora von Mitteleuropa. 2(3): 1-576. Gustav Fisher Verlag, Stuttgart, Germany.
Lange-Bertalot, H. and Ulrich, S. (2014) Contributions to the taxonomy of needle-shaped Fragilaria and Ulnaria species Lauterbornia 78: 1-73.
Patrick, R.M. and Reimer, C.W. (1966) The Diatoms of the United States exclusive of Alaska and Hawaii, V. 1 Monographs of the Academy of Natural Sciences of Philadelphia 13
Silva, P. and Hasle, G.R. (2006) Taxonomic and nomenclatural history of Fragilaria (Bacillariophyceae). Taxon 55: 200-202.
Tuji, A. (2004) Type examination of the ribbon-forming Fragilaria capucina complex described by Christian Gottfried Ehrenberg In: Poulin, M. (ed.), Proceedings of the Seventeenth International Diatom Symposium. Ottawa, Canada, 25th-31st August 2002, Biopress Limited, Bristol, pp. 411-422.
Tuji, A. (2007) Type examination of Fragilaria gracilis Østrup (Bacillariophyceae). Bulletin of the national museum of nature and science, Series B, Botany 33: 9-12.
Tuji, A. and Williams, D.M. (2006) Examination of the type material of Synedra rumpens-Fragilaria rumpens, Bacillariophyceae. Phycological Research 54: 99-103.
Tuji, A. and Williams, D.M. (2006) Examination of types in the Fragilaria pectinalis-capitellata species comples In: Likhoshway, Y. (ed.) Nineteenth International Diatom Symposium, pp. 125-139, Listvyanka Russia, Biopress Limited.
Tuji, A. and Williams, D.M. (2006) Typification of Conferva pectinalis O. F. Müll. (Bacillariophyceae) and the identity of the type of an alleged synonym, Fragilaria capucina Desm. Taxon 55(1): 193–199
Tuji, A. and Williams, D.M. (2008) Examination of type material of Fragilaria mesolepta Rabenhorst and two similar, but distinct, taxa Diatom Research, 23(2): 503-510.

Publication Link: 10.1080/0269249X.2008.9705772
Tuji, A. and Williams, D.M. (2013) Examination of types in the Fragilaria vaucheriae-intermedia species complex. Bulletin of the national museum of nature and science Series B, Botany, 39: 1-9.
Tuji, A. and Williams, D.M. (2019) Re-typification of Fragilaria subconstricta and F. tenuistriata, and a correction for Tuji & Williams (2008, Diat. Res. 23: 503-510), Diatom Research 34(4): 271-272.

Publication Link: 10.1080/0269249X.2019.1701091
Van de Vijver, B., Williams, D.M., Schuster, T.M., Kusber, W-H, Cantonati, M., Wetzel, C.E. and Ector, L. (2022) Analysis of the Fragilaria rumpens complex (Fragilariaceae, Bacillariophyta) with the description of two new species. Fottea, Olomouc 22(1): 93–121.

Publication Link: 10.5507/fot.2021.018
Wallace, J. (1960) New and variable diatoms. Notulae Naturae 331: 1-8
Wetzel, C.E., Potapova, M. and Williams, D.M. (2022) Synedra phantasma M.H.Hohn (Bacillariophyta, Fragilariaceae) from the Amazon river (South America): its typification and transfer to the genus Fragilaria Notulae Algarum 252: (24 August 2022)

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Cite This Page

Spaulding, S., Edlund, M. (2008). Fragilaria. In Diatoms of North America. Retrieved September 11, 2026, from https://diatoms.org/genera/fragilaria