Home / Greens / Colonial / Non-flagellated / Quadrigula
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Name derivation:
“Four rigid cells” or “Four watery cells” – Four Quad- rigid or watery –rigula
Classification:
Quadrigula Printz 1916; 7 of 9 species descriptions are currently accepted taxonomically (Guiry and guiry 2013). Order Sphaeropleales; Family Selenastraceae
Morphology:
Long cylindrical cells single, paired or in groups of four within sheaths form a colony that is unattached but within a mucus envelope. Pyrenoids are not present.
Similar genera:
Habitat:
Freshwater lakes in the northern hemisphere.
References:
Guiry, M.D. and G.M. Guiry 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 28 September 2013. Printz, H. 1916. Contributiones ad floram asiae interioris pertinentes. I. Die Chlorophyceen des südlichen Sibiriens und des Uriankailandes Kongelige Norske Videnskabernes Selskab Skrifter 1915(4): 1-59, pls I-VII.