Fragilaria ulna var. acus (Kützing) Lange-Bertalot 1980
Publication Details
Fragilaria ulna var. acus (Kützing) Lange-Bertalot 1980: 745
Published in: Lange-Bertalot, H. (1980). Zur systematischen Bewertung der bandförmigen Kolonien bei Navicula und Fragilaria. Kriterien für die Vereinigung von Synedra (subgen. Synedra) Ehrenberg mit Fragilaria Lyngbye. Nova Hedwigia 33: 723-787, 16 pls.
Type Species
The type species (lectotype) of the genus Fragilaria is Fragilaria pectinalis (O.F.Müller) Lyngbye.
Status of Name
This name is currently regarded as a synonym of Ulnaria acus (Kützing) Aboal.
Source of Synonymy
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.
Basionym
Synedra acus Kützing
Type Information
Type locality: Germany: Hamburger Meer; (INA 1996) 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).
Origin of Species Name
Noun (Latin), elbow, forearm (Brown 1954).
General Environment
This is a freshwater species.
Created: 18 November 2006 by Salvador Valenzuela Miranda.
Last updated: 16 September 2019
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=131664
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 16 September 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 18 May 2025