163,388 species and infraspecific names are in the database, 22,770 images, 62,957 bibliographic items, 480,243 distributional records.

Placoneis constans var. symmetrica (Hustedt) H.Kobayasi 2002

Publication details
Placoneis constans var. symmetrica (Hustedt) H.Kobayasi in Mayama & al. 2002: 89

Published in: Mayama, S., Idei, M., Osada, K. & Nagumo, T. (2002). Nomenclatural changes for 20 diatom taxa occurring in Japan. Diatom. The Japanese Journal of Diatomology 18: 89-91.
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Type species
The type species (lectotype) of the genus Placoneis is Placoneis gastrum (Ehrenberg) Mereschkowsky.

Status of name
This name is currently regarded as a synonym of Placoneis symmetrica (Hustedt) Lange-Bertalot

Basionym
Navicula constans var. symmetrica Hustedt

Origin of species name
Participle B (Latin), constant, uniform, consistent, consisting of (Stearn 1973).

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

General environment
This is a freshwater species.

Detailed distribution with sources
(as Placoneis constans var. symmetrica (Hustedt) H.Kobayasi)
South America: Brazil (Moresco & Rodrigues 2016).

Africa: Ghana (Smith, Smith & Nii Yemoh Annang 2015).

Source of current name
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.

Created: 22 February 2014 by M.D. Guiry

Verified by: 25 February 2021 by M.D. Guiry

Accesses: This record has been accessed by users 154 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=148583

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 24 September 2021.

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