149,967 species and infraspecific names are in the database, 20,386 images, 57,648 bibliographic items, 380,221 distributional records.

Zygnema cruciatum (Vaucher) C.Agardh

Publication details
Zygnema cruciatum (Vaucher) C.Agardh 1817: 102

Published in: Agardh, C.A. (1817). Synopsis algarum Scandinaviae, adjecta dispositione universali algarum. pp. [i]-xl, [1]-135. Lundae [Lund]: Ex officina Berlingiana.
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Type species
This is the type species (holotype) of the genus Zygnema.

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

Basionym
Conjugata cruciata Vaucher

Origin of species name
Adjective (Latin), cross-shaped (Stearn 1973).

Homotypic Synonym(s)
Conjugata cruciata Vaucher

Heterotypic Synonym(s)
Zygnema dillwynii Kützing

General environment
This is a freshwater species.

Detailed distribution with sources
(as Zygnema cruciatum (Vaucher) C.Agardh)
Europe: Britain (Brook & Johnson 2002, Whitton et al. 2003, John, Whitton & Brook 2011), Latvia (Skuja 1928), Netherlands (Veen et al. 2015), Romania (Caraus 2002, Caraus 2012, Caraus 2017), Slovakia (Hindák & Hindáková 2016), Slovenia (Vrhovsek et al. 2006), Spain (Alvárez Cobelas 1984, Aboal 1988, Cambra Sánchez, Álvarez Cobelas & Aboal Sanjurjo 1998).

South-west Asia: India (Gupta 2012), Iraq (Maulood et al. 2013), Punjab (Anon 2012).

Asia: Russia (Far East) (Medvedeva & Nikulina 2014).

Australia and New Zealand: New South Wales (Day et al. 1995), New Zealand (Broady et al. 2012), Queensland (Day et al. 1995, Phillips 2002, Bostock & Holland 2010), Tasmania (Day et al. 1995), Victoria (Day et al. 1995).

Key references
Brook, A.J. & Johnson, L.R. (2002). Order Zygnematales. In: The Freshwater Algal Flora of the British Isles. An identification guide to freshwater and terrestrial algae. (John, D.M., Whitton, B.A. & Brook, A.J. Eds), pp. 479-593. Cambridge: Cambridge University Press.

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.

Jao, C.-C. (1988). Flora algarum sinicarum aquae dulcis. Tomus I. Zygnemataceae. pp. i-v, 1-288, 54 pls. Beijing: Science Press.

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. (1941). Systematische Teil [Lieferung 3]. In: Ordnung: Zygnemales. In: Kryptogamen-Flora von Deutschland und der Schweiz. Vol. 13. (Kolkwitz, R. & Krieger, H. Eds), pp. 197-294. 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: 07 December 2016 by M.D. Guiry

Accesses: This record has been accessed by users 2432 times since it was created.

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

Han, J.W., Yoon, M., Lee, K.P. & Kim, G.H. (2007). Isolation of total RNA from a freshwater green alga, Zygnema cruciatum, containing high levels of pigments. Algae 22(2): 125-129, 5 figs, 1 table.
Kim, G.H., Yoon, M., West, J.A., Klochkova, T.A. & Kim, S.-H. (2007). Possible surface carbohydrates involved in signaling during conjugation process in Zygnema cruciatum monitored with fluorescein isothiocyanate-lectins (Zygnemataceae, Chlorophyta). Phycological Research 55(2): 135-142.
Kim, J.-H. & Kim, Y.H. (2009). Morphological note on Zygnema cruciatum (Zygnematophyceae, Chlorophyta) in Korea. Algae 24(2): 57-60, 2 figs.

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Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 23 November 2017.

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