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Sphaerozosma vertebratum <em>var.</em> latius Desmid Species Outer Hebrides

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Phylum: Charophyta   Family: Desmidiaceae

Sphaerozosma vertebratum var. latius West & G.S. West 1897

This variety occupies the same type of habitat as the nominate variety. It differs in that the cells are much broader than long. It's rather similar to Sphaerozosma aubertianum but has the sinuses closed for the most part whereas in S. aubertianum they are acutely open. Rarely recorded.

West, W., West, G.S. & Carter, N. (1923) A Monograph of the British Desmidiaceae, Volume 5.
Prescott, W.G., et al. (2001 reprint) A Synopsis of North American Desmids. Part II, Desmidiaceae: Placodermae, Section 5.
Kouwets, F.A.C. (1999) A check-list of desmids (Chlorophyta, Zygnemaphyceae) of France.