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Spirogyra crassa (Kützing) Kützing

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Viridiplantae
Infrakingdom Streptophyta infrakingdom
Phylum Charophyta
Class Conjugatophyceae (Zygnematophyceae)
Order Zygnematales
Family Zygnemataceae
Genus Spirogyra

Pictures

click on thumbnail for larger version.

Spirogyra crassa (Kützing) Kützing
Showing edge of spore. Collected by Howard Matcham, garden pond, Strettington near Chichester. 12 Nov 2014. © C.F. Carter(chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
Showing suture. Collected by Howard Matcham, garden pond, Strettington near Chichester. 12 Nov 2014. © C.F. Carter(chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
Showing suture. Collected by Howard Matcham, garden pond, Strettington near Chichester. 12 Nov 2014. © C.F. Carter(chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
Fertile material at low magnification. Collected by Howard Matcham, garden pond, Strettington near Chichester. 12 Nov 2014. © C.F. Carter(chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Vegetative cell at two focus levels. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Ladder conjugation. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Spore in apical view. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Nucleus. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

Spirogyra crassa (Kützing) Kützing
prox. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.. 27 Sep 2014. © C.F.Carter (chris.carter'at'6cvw.freeuk.com.

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11 Found - Displaying 1 through 10

 

Scytonema seagriefianum Welsh

Spirogyra crassa (Kützing) Kützing prox. Vegetative cell at two focus levels. Collected by Howard Matcham, vehicle ruts, Boxgrove, Nr Chichester, UK.
© C.F.Carter (chris.carter'at'6cvw.freeuk.com

Publication details
Spirogyra crassa (Kützing) Kützing 1843: 280, pl. 14: fig. 4

Published in: Kützing, F.T. (1843). Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange. Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. pp. [part 1]: [i]-xxxii, [1]-142, [part 2:] 143-458, 1, err.], pls 1-80. Leipzig: F.A. Brockhaus.
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Type species
The type species (lectotype) of the genus Spirogyra is Spirogyra porticalis (O.F.Müller) Dumortier.

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

Basionym
Zygnema crassa Kützing

Origin of species name
Adjective A (Latin), thick (Stearn 1973).

Homotypic Synonym(s)
Zygnema crassa Kützing 1834

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Day, S.A., Wickham, R.P., Entwisle, T.J. & Tyler, P.A. (1995). Bibliographic check-list of non-marine algae in Australia. Flora of Australia Supplementary Series 4: i-vii, 1-276.

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]

Johnson, L.R, (2011). Phylum Chlorophyta. Family Zygnemataceae. 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. 576-608. Cambridge: Cambridge University Press.

Kadlubowska, J.Z. (1984). Conjugatophyceae I Zygnemales = Chlorophyta VIII. In: Süsswasserflora von Mitteleuropa. (Ettl, H., Gerloff, J., Heynig, H. & Mollenhauer, D. Eds) Vol. 16, pp. 1-532. Stuttgart: Gustav Fischer.

Krieger, H. (1944). Systematische Teil [Lieferung 4]. In: Ordnung: Zygnemales. In: Kryptogamen-Flora von Deutschland und der Schweiz. Vol. 13. (Kolkwitz, R. & Krieger, H. Eds), pp. 295-499. Leipzig: Academische Verlagsgesellschaft Becker & Erler.

Lewis, S.H. & Entwisle, T.J. (2007). Zygnemales. In: Algae of Australia Batrachospermales, Thoreales, Oedogoniales and Zygnemaceae. (Entwisle, T.J., Skinner, S., Lewis, S.H. & Foard, H.J. Eds), pp. 112-155. Canberra & Melbourne: Australian Biological Resources Study & CSIRO Publishing.

Petlovany, O.A. (2015 '2014'). Zygnematales. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 4: Charophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 11-61. Ruggell: Koeltz Scientific Books.

Randhawa, M.S. (1959). Zygnemaceae Indian Council for Agricultural Research monographs on Algae. pp. [1]-478, 521 figs. New Delhi: Indian Council for Agricultural Research.

Transeau, E.N. (1951). The Zygnemataceae (fresh-water conjugate algae) with keys for the identification of genera and species, and seven hundred eighty-nine illustrations. pp. 1-327, 789 figs. Columbus: The Ohio State University Press.

Created: 11 April 2002 by M.D. Guiry

Verified by: 26 July 2018 by M.D. Guiry

Accesses: This record has been accessed by users 2932 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.

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

Godward, M.B.E. (1958). Meiosis in Spirogyra crassa. British Phycological Bulletin 1(6): 21.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 14 November 2018.

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