163,770 species and infraspecific names are in the database, 22,783 images, 63,043 bibliographic items, 481,350 distributional records.

Ulnaria ulna var. acus (Kützing) Compère, nom. inval. 2003

Publication details
Ulnaria ulna var. acus (Kützing) Compère in Metzeltin & García-Rodriíguez 2003: 70, pl. 12: figs 8-10, nom. inval.

Published in: Metzeltin, D. & García-Rodríguez, F. (2003). Las diatomeas Uruguayas. pp. [1]-210, 74 pls. Uruguay: DIRAC Facultad de Ciencias, Universidad de la República.

Type species
The type species (holotype) of the genus Ulnaria is Ulnaria ulna (Nitzsch) Compère.

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

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).

No synonyms are currently included in AlgaeBase.

Nomenclatural notes
Invalid: basionym not indicated. Also attributed to "(Kützing) Lange-Bertalot" but no publication has been traced. See Williams & Ector (2019: 1). - (16 Jan 2019) - M.D. Guiry

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

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
Williams, D.M. & Ector, L. (2019). “Ulnaria ulna var. acus” (Ulnariaceae, Bacillariophyta), an invalid designation. Notulae Algarum 87: 1-2, no figs.

Created: 16 November 2011 by M.D. Guiry

Verified by: 16 September 2019 by M.D. Guiry

Accesses: This record has been accessed by users 633 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Williams, D.M. & Ector, L. (2019). “Ulnaria ulna var. acus” (Ulnariaceae, Bacillariophyta), an invalid designation. Notulae Algarum 87: 1-2, no figs.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=141180

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 16 October 2021.

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