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Name derivation:

 

 

Classification:

Capsosira Kützing ex Bornet & Flahault, 1886;  3 of 3 described species are currently accepted (Guiry 2012)

Order Nostocales;  Family Stigonemataceae

Morphology:

Highly branched trichomes usually containing thick, sometimes laminated sheaths.

Similar genera:

 

Habitat:

Freshwater benthos, epilithic and epiphytic, apparently widespread in marshes and unpolluted running water.

References:

Bornet, É. and C. Flahault  1886 '1887'.  Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France.  Annales des Sciences Naturelles, Botanique, Septième série 5: 51-129.

Guiry, M.D. and G.M. Guiry  2012.  AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 14 December 2012.