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Cosmarium contractum </em>var.<em> retusum Desmid Species Outer Hebrides

Alage Outer Hebrides logo  Algae Outer Hebrides


Phylum: Charophyta   Family: Desmidiaceae

Cosmarium contractum var. retusum  (West & G.S. West) Krieger & Gerloff 1962

Cosmarium contractum is morphologically diverse and has created several varieties. There are also similarities with other species making identification sometimes difficult. It likes circumneutral waters such as loch-margins and pools. Because of the aforementioned identification difficulties, the status in the Outer Hebrides is uncertain

References: 
Coesel, P.F.M. & Meesters, K.J. (2007) Mesotaeniaceae and Desmidiaceae of the European Lowlands
Kouwets, F.A.C. (1999) A check-list of desmids (Chlorophyta, Zygnemaphyceae) of France
Tsarenko, P.M., Wasser, S.P. & Nevo, E. editors (2014) Algae of Ukraine, Volume 4: Charophyta

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