159,669 species and infraspecific names are in the database, 22,560 images, 62,373 bibliographic items, 465,369 distributional records.

Synedra goulardi var. acus (Kützing) Frenguelli 1925

Publication details
Synedra goulardi var. acus (Kützing) Frenguelli 1925: 168, pl. 2: fig. 18

Published in: Frenguelli, J. (1925). Diatomeas de los arroyos del Durazo y la Brusquitas en los alrededores de Miramar (Provincia de Buenos Aires) (Contr. III). Physis, Revista de la Sociedad Argentina de Ciencias Naturales 8: 129-183, 2 pl.

Type species
The type species (lectotype) of the genus Synedra is Synedra balthica Ehrenberg.

Status of name
This name is currently regarded as a synonym of Ulnaria acus (Kützing) Aboal

Basionym
Synedra acus Kützing

Type information
Type locality: Germany: Hamburger Meer (Index Nominum Algarum). Lectotype: Kützing 1844: 68, pl. 15, fig. 7: Falaise, BM 18305, epitype designated by Williams & Blanco (2019: 242) (epitype) BM 18305 (Williams & Blanco 2019: 242, fig. 2). Notes: Type: slide B.M.18305, collection Kützing no. 401, collected by A. de Brébisson from Falaise, France, marked as Synedra acus Kützing (neotype fide H. Lange-Bertalot & Ulrich 2014); collector: Binder (INA).

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

General environment
This is a freshwater species.

No distributions recorded
No distributional records for this taxon have been recorded by AlgaeBase to date. Generally, recent national lists or extensive regional or state lists have been employed to give a general indication of distribution.

Source of current name
Aboal, M., Álvarez Cobelas, M., Cambra, J. & Ector, L. (2003). Floristic list of non-marine diatoms (Bacillariophyceae) of Iberian Peninsula, Balearic Islands and Canary Islands. Updated taxonomy and bibliography. Diatom Monographs 4: 1-639.

Key references
Aboal, M., Álvarez Cobelas, M., Cambra, J. & Ector, L. (2003). Floristic list of non-marine diatoms (Bacillariophyceae) of Iberian Peninsula, Balearic Islands and Canary Islands. Updated taxonomy and bibliography. Diatom Monographs 4: 1-639.

Williams, D.M. & Blanco, S. (2020). Studies on type material from Kützing's diatom collection II: Synedra acus Kützing, Synedra arcus Kützing, their morphology, types and nomenclature. Diatom Research 34(4): 237-250.

Created: 13 December 2008 by Salvador Valenzuela Miranda

Verified by: 25 March 2020 by Wendy Guiry

Accesses: This record has been accessed by users 470 times since it was created.

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Citing AlgaeBase
Cite this record as:
Wendy Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 30 November 2020.

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