163,924 species and infraspecific names are in the database, 22,783 images, 63,106 bibliographic items, 484,278 distributional records.

Scenedesmus obtusus Meyen 1829

Publication details
Scenedesmus obtusus Meyen 1829: 775, pl. XLIII [43]: figs 30, 31

Published in: Meyen, F.J.F. (1829). Beobachtungen über einige niedere Algenformen. Nova Acta Physico-Medica Academiae Caesareae Leopoldino-Carolinae Naturae 14: 768-778, pl. XLIII [43].
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Type species
This is the type species (lectotype) of the genus Scenedesmus.

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

Type information
Type locality: near Potsdam, Havel (Index Nominum Algarum). Type: on Alcyonella stagnorum. (Index Nominum Algarum

Origin of species name
Adjective (Latin), obtuse, blunt (Stearn 1973).

Heterotypic Synonym(s)
Scenedesmus ovalternus Brébisson 1855
Scenedesmus alternans Reinsch 1866
Scenedesmus bijugus var. alternans (Reinsch) Borge 1906
Scenedesmus graevenitzii C.Bernard 1908
Scenedesmus ovalternus Chodat 1926
Scenedesmus obtusus var. alternans (Reinsch) Compère 1976

General environment
This is a freshwater species.

Detailed distribution with sources
(as Scenedesmus obtusus Meyen)
Europe: Baltic Sea (Hällfors 2004), Black Sea (BSPC Editorial Board 2014, Zotov 2018), Britain (John & Tsarenko 2002, Whitton & al. 2003, John, Whitton & Brook 2011, Pentecost & Haworth 2021), Bulgaria (Dochin 2020), Czech Republic (Hasler, Handák & Handákova 2007), France (Anon. 2017), Georgia (Barinova & Kukhaleishvili 2017), Germany (Mauch & Schmedtje 2003, Täuscher 2014, Täuscher 2016, Stutz & Mattern (eds) & al. 2018, Stutz & Mattern (eds) & al. 2018, Täuscher 2019), Netherlands (Veen & al. 2015), Portugal (Cambra Sánchez, Álvarez Cobelas & Aboal Sanjurjo 1998), Romania (Caraus 2017), Russia (Europe) (Fenchel & al. 1995, Patova & Demina 2007, Patova & Demina 2008), Scandinavia (Karlason & al. 2018), Slovakia (Hindák & Hindáková 2016), Spain (Alvárez Cobelas & Gallardo 1986, Cambra Sánchez, Álvarez Cobelas & Aboal Sanjurjo 1998, Fanés Treviño, Comas González & Sánchez Castillo 2009, Pérez, Maidana & Comas 2009, Pérez, Comas & Maidana 2010), Ukraine (Tsarenko 2011, Berezovskaya 2019).

North America: Québec (Poulin, Hamilton & Proulx 1995), Tennessee (Johansen & al. 2007).

Caribbean Islands: Cuba (Comas González 2009, Comas González & Moreira González 2010).

South America: Argentina (Tell 1985), Brazil (Assis & al. 2018, Ferragut et al. 2005, Menezes 2010, Hentschke & Torgan 2010, Ramos & al. 2015, Dunck & al. 2018, Tucci & al. 2019), Uruguay (Rosset & al. 2020).

Africa: Sudan (Reinhold 1937).

Middle East: Israel (Barinova, Tavassi & Nevo 2006, Barinova & Tavassi 2009, Barinova, Yeuda & Nevo 2010, Barinova & al. 2004), Turkey (Aysel 2005, Ersanli & Gönülol 2006, Soylu & Gonulol 2006, Taskin (ed.) & al. 2019).

Asia: Caspian Sea (Bagheri & Fallahi 2014), China (Liu & Hu & al. 2012), Russia (Far East) (Medvedeva & Nikulina 2014, Medvedeva & Nikulina 2019), Taiwan (Shao 2003-2014), Tajikistan (Barinova, Boboev & Hisoriev 2015, Barinova & Niyatbekov 2018).

Australia and New Zealand: New South Wales (Ling & Tyler 2000), New Zealand (Broady & al. 2012), Western Australia (Ling & Tyler 2000).

(as Scenedesmus ovalternus Brébisson)
Europe: Germany (Täuscher 2014).

South America: Brazil (Tucci & al. 2019).

Middle East: Iraq (Maulood & al. 2013), Turkey (Aysel 2005).

Asia: Taiwan (Shao 2003-2014, Shao 2003-2014).

(as Scenedesmus alternans Reinsch)
Europe: France (Anon. 2017), Germany (Täuscher 2014, Täuscher 2016), Ireland (Adams 1908), Netherlands (Veen & al. 2015), Romania (Caraus 2017).

South America: Brazil (Freitas & Loverde-Oliveira 2013, Dunck & al. 2018).

Middle East: Iraq (Maulood & al. 2013).

Asia: China (Cao et al 2005), Taiwan (Shao 2003-2014).

(as Scenedesmus bijugus var. alternans (Reinsch) Borge)
Europe: Black Sea (BSPC Editorial Board 2014, Zotov 2018), Germany (Stutz & Mattern (eds) & al. 2018).

North America: Laurentian Great Lakes (Prescott 1962), Québec (Poulin, Hamilton & Proulx 1995).

South America: Argentina (Tell 1985), Brazil (Bicudo & Martau 1974).

Middle East: Iran (Afsharzadeh & al. 2003), Iraq (Maulood & al. 2013).

South-west Asia: Bangladesh (Ahmed & al. 2008), India (Gupta 2012), Pakistan (Leghari et al. 2005, Leghari et al. 2005).

Asia: China (Hu & Wei 2006), Taiwan (Shao 2003-2014, Shao 2003-2014).

Australia and New Zealand: New Zealand (Broady & al. 2012), Northern Territory (Day & al. 1995, Ling & Tyler 2000), Queensland (Day & al. 1995, Ling & Tyler 2000).

(as Scenedesmus graevenitzii C.Bernard)
South America: Brazil (Menezes 2010).

(as Scenedesmus ovalternus Chodat)
Europe: Germany (Mauch & Schmedtje 2003, Täuscher 2016), Netherlands (Veen & al. 2015), Slovakia (Hindák & Hindáková 2016), Spain (Alvárez Cobelas & Gallardo 1986).

South America: Argentina (Tell 1985), Brazil (Bicudo et al. 1999, Ferragut et al. 2005, Menezes 2010).

Asia: China (Hu & Wei 2006, Liu & Hu & al. 2012).

Australia and New Zealand: Victoria (Ling & Tyler 2000), Western Australia (Ling & Tyler 2000).

(as Scenedesmus obtusus var. alternans (Reinsch) Compère)
Europe: Netherlands (Veen & al. 2015), Slovakia (Hindák & Hindáková 2016).

Asia: China (Liu & Hu & al. 2012), Taiwan (Shao 2003-2014).

Key references
Hentschke, G.S. & Torgan, L.C. (2010). Desmodesmus e Scenedesmus (Scenedesmaceae, Sphaeropleales, Chlorophyceae) em ambientes aquáticos na Planície Costeira do Rio Grande do Sul, Brasil. Rodriguésia 61: 585-601.

Komárek, J. & Fott, B. (1983). Chlorophyceae (Grünalgen) Ordnung: Chlorococcales. Das Phytoplankton des Süsswassers. In: Das Phytoplankton des Süsswassers (Die Binnengewässer) XVI. (Huber-Pestalozzi, G. Eds), pp. [1]-x, [1]-1044. Stuttgart: E. Schweizerbart'sche Verlangbuchhandlung (Nägele u. Obermiller).

Ramos, G.J.P., Bicudo, C.E. de M. & Moura, C.W. do N.M. (2015). Scenedesmaceae (Chlorophyta, Chlorophyceae) de duas áreas do Pantanal dos Marimbus (Baiano e Remanso), Chapada Diamantina, Estado da Bahia, Brasil. Hoehnea 42(3): 549-566.

Tsarenko, P.M. & John, D.M. (2011). Order Sphaeropleales sensu lato [Phylum Chlorophyta]. 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. 419-475. Cambridge: Cambridge University Press.

Tsarenko, P.M. (2011). Sphaeropleales. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 3: Chlorophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 280-355. Ruggell: A.R.A. Gantner Verlag K.-G..

Created: 11 April 2002 by M.D. Guiry

Verified by: 27 January 2020 by M.D. Guiry

Accesses: This record has been accessed by users 6260 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. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 26 October 2021.

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