163,329 species and infraspecific names are in the database, 22,769 images, 62,933 bibliographic items, 478,466 distributional records.

Placoneis undulata (Østrup) Lange-Bertalot 2000

Publication details
Placoneis undulata (Østrup) Lange-Bertalot in U.Rumrich, Lange-Bertalot & M.Rumrich 2000: 212

Published in: Rumrich, U., Lange-Bertalot, H. & Rumrich, M. (2000). Diatomeen der Anden von Venezuela bis Patagonien/Feuerland und zwei weitere Beiträge. Diatoms of the Andes from Venezuela to Patagonia/Tierra del Fuego and two additional contributions. Iconographia Diatomologica 9: 1-673, incl. 197 pls.

Type species
The type species (lectotype) of the genus Placoneis is Placoneis gastrum (Ehrenberg) Mereschkowsky.

Status of name
This name is of an entity that is currently accepted taxonomically.

Navicula dicephala var. undulata Østrup

Origin of species name
Adjective (Latin), wavy.

Homotypic Synonym(s)
Navicula dicephala var. undulata Østrup 1918
Placoneis elginensis var. undulata (Østrup) Lange-Bertalot 1996
Placoneis dicephala var. undulata (Østrup) J.Y. Li & Y.Z.Qi 2018

Nomenclatural notes
Name also introduced by T.Ohtsuka & Y.Fujita (2001: 107). - (19 May 2016) - M.D. Guiry

General environment
This is a freshwater species.

Detailed distribution with sources
(as Navicula dicephala var. undulata Østrup)
Atlantic Islands: Iceland (Foged 1974).

Europe: Ireland (Foged 1977, Wolnik & Carter 2014), Slovakia (Hindák & Hindáková 2016), Spain (Álvarez Cobelas & Estévez García 1982), Ukraine (Bukhtiyarova 1999).

North America: Alaska (Foged 1981).

South-west Asia: India (Gupta & Das 2020).

South-east Asia: Thailand (Foged 1972).

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

(as Placoneis elginensis var. undulata (Østrup) Lange-Bertalot)
Europe: Britain (Whitton & al. 2003).

(as Placoneis undulata (Østrup) Lange-Bertalot)
Europe: France (Anon. 2017), Germany (Hofmann & al. 2018), Ireland (Wolnik & Carter 2014), Netherlands (Veen & al. 2015), North Macedonia (Levkov & Williams 2012).

North America: Mexico (Mora & al. 2017).

Australia and New Zealand: New Zealand (Harper & al. 2012).

Key references
Hofmann, G., Werum, M. & Lange-Bertalot, H. (2013). Diatomeen im Süßwasser—Benthos von Mitteleuropa. Bestimmungsflora Kieselalgen für die ökologische Praxis. Über 700 der häufigsten Arten und ihre Ökologie. pp. [1]-908, 133 pls. Königstein: Koeltz Scientific Books.

Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017). Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessments. English edition with updated taxonomy and added species (Cantonati, M. et al. eds). pp. [1]-942, 135 pls. Schmitten-Oberreifenberg: Koeltz Botanical Books.

Ohtsuka, T. & Fujita, Y. (2001). The diatom flora and its seasonal changes in a paddy field in Central Japan. Nova Hedwigia 73(1/2): 97-128, 10 pls., 1 fig., 2 tables.

Created: 18 August 2004 by M.D. Guiry

Verified by: 11 August 2017 by M.D. Guiry

Accesses: This record has been accessed by users 403 times since it was created.

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=64574

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 18 September 2021.

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