Photo of <em>Rhizosolenia setigera</em> by Gabriella Hannach, King County Environmental Lab Photo of <em>Rhizosolenia</em> by Gabriella Hannach, King County Environmental Lab
Photo credit: Gabriela Hannach, King County Environmental Lab
Phytoplankton of the month — December 2017


Rhizosolenia are centric diatoms, approximately 20-70μm in diameter for R. styliformis and 4-20μm in diameter for R. setigera. These long, thin cells are generally solitary or found in short chains. The ends of the cells are short and needle-like. Many small chloroplasts are located throughout the cell.

Rhizosolenia are found in temperate waters.

For more information see: A Taxonomic Guide to Some Common Marine Phytoplankton, by Rita Horner (Biopress Ltd. 2002

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