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Staurodesmus (Charophyceae)

Staurodesmus sp. from Loch Chon, Scotland, 2004
Photograph posted online

Staurodesmus sp. from Netherlands
Photograph by Marien van Westen on 'Desmid species (Desmidiaceae) in the Netherlands',
posted online

Staurodesmus sp. from Netherlands
Photograph by Alfred van Geest, Digicodes, posted online

Staurodesmus (a.k.a. Arthrodesmus previously)
Solid cellulose spines exclude cytoplasm

Staurodesmus (a.k.a. Arthrodesmus previously)
Solid cellulose spines exclude cytoplasm

Staurodesmus (a.k.a. Arthrodesmus previously)
Solid cellulose spines exclude cytoplasm
Photograph by Jonathan Dufresne, University of New Hampshire, USA

Staurodesmus sp. recently divided cells separating, still held in close proximity by extracellular mucilage. July 2010, Wheelwright Pond, Lee, NH USA

Staurodesmus sp., July 2010, Wheelwright Pond, NH USA

Staurodesmus aretasii (Bourrel.) Teil.
Modified from sketch by Thérézien, Y. and A. Couté (1977) from the collection of Manfred Bölter, University of Kiel, DE

Thérézien, Y. and A. Couté 1977. Algues d’eau douce des Îles Kerguelen et Crozet. Comite Nation Franc Rech Antarct 43: 1-91

Staurodesmus aretasii var. gracilicornis
Modified from sketch by Thérézien, Y. and A. Couté (1977) from the collection of Manfred Bölter, University of Kiel, DE

Thérézien, Y. and A. Couté 1977. Algues d’eau douce des Îles Kerguelen et Crozet. Comite Nation Franc Rech Antarct 43: 1-91

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