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Staurastrum brachiatum Ralfs ex Ralfs

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Viridiplantae
Infrakingdom Streptophyta infrakingdom
Phylum Charophyta
Class Conjugatophyceae (Zygnematophyceae)
Order Desmidiales
Family Desmidiaceae
Genus Staurastrum

Pictures

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Staurastrum brachiatum Ralfs ex Ralfs
Example with very low torsion.Side views at different focus points and orientations. Collected by Claudia Ferguson-Smyth. Isle of Tiree, Scotland.. 02 Sep 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Staurastrum brachiatum Ralfs ex Ralfs
Zygospore at different focus points. Collected by Claudia Ferguson-Smyth. Isle of Tiree, Scotland.. 19 Sep 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Staurastrum brachiatum Ralfs ex Ralfs
Apical views at different focus points. Collected by Claudia Ferguson-Smyth. Isle of Tiree, Scotland.. 19 Sep 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Staurastrum brachiatum Ralfs ex Ralfs
Apical view with epiphytes, showing pores and isthmus. Collected by Claudia Ferguson-Smyth, Isle of Tiree, Scotland.. 14 Sep 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Staurastrum brachiatum Ralfs ex Ralfs
Loch Gower, South Ayrshire , Scotland.. 22 Apr 2009. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Staurastrum brachiatum Ralfs ex Ralfs
Apical views. Loch Gower, South Ayrshire , Scotland.. 22 Apr 2009. © C.F.Carter (chris.carter@6cvw.freeuk.com).

 

Sargassum horneri f. furcatodentatum Kuntze

Staurastrum brachiatum Ralfs ex Ralfs Apical views. Loch Gower, South Ayrshire , Scotland.
© C.F.Carter (chris.carter@6cvw.freeuk.com)

Publication details
Staurastrum brachiatum Ralfs ex Ralfs 1848: 131, pl. XXIII [23]: fig. 9a-e

Published in: Ralfs, J. (1848). The British Desmidieae. pp. [i]-xxii, [i], [1]-226, pls I-XXXV. London: Reeve, Benham & Reeve.
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Type species
The type species (lectotype) of the genus Staurastrum is Staurastrum paradoxum Meyen ex Ralfs.

Status of name
This name is of an entity that is currently accepted taxonomically.

Origin of species name
Adjective (Latin), branched at right angles.

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

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Brook, A.J., Williamson, D.B. & John, D.M. (2011). Phylum Chlorophyta. Suborder Desmidiineae. In: The freshwater algal flora of the British Isles. An identification guide to freshwater and terrestrial algae. Second edition. (John, D.M., Whitton, B.A. & Brook, A.J. Eds), pp. 636-741. Cambridge: Cambridge University Press.

Carter, C.F. & Williamson, D.B. (2018). A contribution to the desmid (Charophyta, Conjugatophyta) flora of Newfoundland. Algological Studies 154: 41-91, 24 figs.

Coesel, P.F.M. & Meesters, J. (2013). European flora of the desmid genera Staurastrum and Staurodesmus. pp. [1]-357, 5 text-figs, 120 pls. Zeist: KNNV Publishing.

Coesel, P.F.M. & Meesters, K.[J.] (2007). Desmids of the Lowlands Mesotaeniaceae and Desmidaceae of the European Lowlands. pp. [1]-351, 20 text-figs, 123 pls. Zeist: KNNV Publishing.

Gontcharov, A.A. & Melkonian, M. (2005). Molecular phylogeny of Staurastrum Meyen ex Ralfs and related genera (Zygnematophyceae, Streptophyta) based on coding and noncoding rDNA sequence comparisons. Journal of Phycology 41: 887-899.

Hirose, H., Yamagishi, T. & Akiyama, M. (1977). Illustrations of the Japanese fresh-water algae. pp. [8 col. pls], [1]-933, 244 pls in text. Tokyo: Uchida Rokakuho Publishing Co., Ltd. [in Japanese]

Kanetsuna, Y. & Yamagishi, T. (eds) (2018). Desmids of southeast Asia. pp. [1]-xiv, [1]-429, VIII colour photographic pls, 44 test-figs, 94 pls. Dera Dun - 248 001 (India): Bishen Singh Mahendra Pal Singh.

Kouwets, F.A.C. (1999). A check-list of desmids (Chlorophyta, Zygnemaphyceae) of France. Patrimoines Natureles 41: 1-148.

Palamar-Mordvintseva, G.M. (1982). Opredelitel' presnovodnykh vodoroslei SSSR [Key to Freshwater Algae of the USSR. Vol. 11 Part 2.] Zelenye vodorosli. Klass Kon'yugaty. Poryadok Desmidievye. Chlorophyta, Desminiales (2). pp. [1]-619 [620], 163 pls. Leningrad: Nauka Leningradskoe otdelenie. [in Russian]

Petlovany, O.A. & Tsarenko, P.M. (2015 '2014'). Desmidiales. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 4: Charophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 61-448. Ruggell: Koeltz Scientific Books.

Created: 11 April 2002 by M.D. Guiry

Verified by: 19 December 2018 by M.D. Guiry

Accesses: This record has been accessed by users 959 times since it was created.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 19 August 2019.

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