149,410 species and infraspecific names are in the database, 20,332 images, 57,463 bibliographic items, 379,303 distributional records.

Navicula gracilis Ehrenberg

Publication details
Navicula gracilis Ehrenberg 1832: 64, 69

Published in: Ehrenberg, C.G. (1830). Beiträge zur Kenntnis der Organisation der Infusorien und ihrer geographischen Verbreitung, besonders in Sibirien. Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1830: 1-88, pls I-VIII.
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Type species
The type species (holotype) of the genus Navicula is Navicula tripunctata (O.F.Müller) Bory.

Status of name
This name is currently regarded as a synonym of Navicula tripunctata (O.F.Müller) Bory

Origin of species name
Adjective (Latin), thin, slender (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a freshwater species.

Detailed distribution with sources
(as Navicula gracilis Ehrenberg)
Europe: France (Anon. 2017), Germany (Reichardt 1984), Ireland (Foged 1977, Wolnik & Carter 2014), Netherlands (Veen et al. 2015), Portugal (Moita & Vilarinho 1999), Romania (Caraus 2002, Caraus 2012), Slovakia (Hindák & Hindáková 2016), Spain (Álvarez Cobelas & Estévez García 1982, Aboal & Llimona 1984b).

Atlantic Islands: Iceland (Foged 1974).

North America: Alaska (Foged 1981), Great Lakes (Stoermer, Kreis & Andresen 1999), Northwest Territories (Sheath & Steinman 1982), United States of America (Kociolek 2005, Eberle 2008).

South America: Brazil (Eskinazi-Leça et al. 2010), Colombia (Montoya-Moreno et al. 2013).

Africa: Egypt (Nassar & Khairy 2014, Nassar & Kham 2014).

South-west Asia: Iraq (Maulood et al. 2013).

Asia: China (Hu & Wei 2006, Liu 2008), Taiwan (Shao 2003-2014).

Australia and New Zealand: New South Wales (Day et al. 1995), Queensland (Day et al. 1995), Victoria (Day et al. 1995).

Source of synonymy
Lange-Bertalot, H. (2001). Navicula sensu stricto. 10 Genera separated from Navicula sensu lato. Frustulia. Diatoms of Europe: diatoms of the European inland waters and comparable habitats. Vol. 2 pp. 1-526, 140 pls. Ruggell: A.R.G. Gantner Verlag. K.G.

Key references
Day, S.A., Wickham, R.P., Entwisle, T.J. & Tyler, P.A. (1995). Bibliographic check-list of non-marine algae in Australia. Flora of Australia Supplementary Series 4: i-vii, 1-276.

Ettl, H. & Gärtner, G. (1995). Syllabus der Boden-, Luft- und Flechtenalgen. pp. i-vii, 1-721. Stuttgart: Gustav Fischer.

Hu, H. & Wei, Y. (2006). The freshwater algae of China. Systematics, taxonomy and ecology. pp. [4 pls of 16 figs], [i-iv], i-xv, 1-1023. China: www.sciencep.com.

Hustedt, F. (1930). Bacillariophyta (Diatomeae) Zweite Auflage. In: Die Süsswasser-Flora Mitteleuropas. Heft 10. (Pascher, A. Eds), pp. [i]-vii, [1]-466. Jena: Verlag von Gustav Fischer.

Lange-Bertalot, H. (2001). Navicula sensu stricto. 10 Genera separated from Navicula sensu lato. Frustulia. Diatoms of Europe: diatoms of the European inland waters and comparable habitats. Vol. 2 pp. 1-526, 140 pls. Ruggell: A.R.G. Gantner Verlag. K.G.

Novais, M.H., Blanco, S., Morais, M., Hoffmann, L. & Ector, L. (2015). Catalogue of continental diatoms from Portugal, including the Archipelagos of Azores and Madeira: updated nomenclature, distribution and bibliography. In: Diatom Monographs (Witkowski, A., ed.). Vol. 17B. pp. 1-758. Oberreifenberg: Koeltz Scientific Books.

Created: 23 April 2002 by M.D. Guiry

Verified by: 03 June 2016 by M.D. Guiry

Accesses: This record has been accessed by users 3146 times since it was created.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 17 October 2017.

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