163,347 species and infraspecific names are in the database, 22,769 images, 62,937 bibliographic items, 479,080 distributional records.

Placoneis placentula f. rostrata (A.Mayer) Bukhtiyarova 1995

Publication details
Placoneis placentula f. rostrata (A.Mayer) Bukhtiyarova 1995: 420

Published in: Bukhtiyarova, L. N. (1995). Novye taksonomischeskie kombinatsii diatomovykh vodoroslei (Bacillariophyta). [New taxonomic combinations of diatoms (Bacillariophyta)]. Algologia 5(4): 417-424. [in Russian]
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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 placentula var. rostrata (Mayer) N.A.Andresen, Stoermer & R.G.Kreis, Jr.

Navicula placentula var. rostrata Mayer

No synonyms are currently included in AlgaeBase.

Nomenclatural notes
Name also introduced by Li & Qi (2018: 73, pl. VIII [8]: fig. 10; pl. XLVIII [48]: fig. 12). - (29 Jan 2019) - M.D. Guiry

General environment
This is a freshwater species.

Detailed distribution with sources
(as Placoneis placentula f. rostrata (A.Mayer) Bukhtiyarova)
Europe: Britain (Whitton & al. 2003), France (Anon. 2017), Ireland (Wolnik & Carter 2014), North Macedonia (Levkov & Williams 2012), Ukraine (Bukhtiyarova 1999).

North America: Laurentian Great Lakes (Stoermer, Kreis & Andresen 1999), United States of America (Kociolek 2005).

Middle East: Turkey (Aysel 2005).

Asia: China (Li & Qi 2018), Russia (Far East) (Medvedeva & Nikulina 2014).

Source of current name
Andresen, N.A., Stoermer, E.F. & Kreis, R.J., Jr. (2000). New nomenclatural combinations referring to diatom taxa which occur in The Laurentian Great Lakes of North America. Diatom Research 15(2): 413-418.

Key references
Li Jiaying & Qi Yuzao [Li, J.Y. & Qi, Y.Z.] (2018). Flora algarum sinicarum aquae dulcis Tomus XXIII Bacillariophyta Naviculaceae (III). pp. [1-8], i-xxiii, 1-214, pls I-XLVIII. Beijing: Science Press.

Created: 11 April 2002 by M.D. Guiry

Verified by: 29 January 2019 by M.D. Guiry

Accesses: This record has been accessed by users 275 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=34265

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 21 September 2021.

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