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Click on images for larger format |
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Name derivation: |
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"False Staurastrum" (a desmid) -- False Pseudo- |
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Classification: |
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Pseudostaurastrum R.Chodat 1921; 4 of 16 species descriptions are currently recognized taxonomically.Pseudostaurastrum is also used as a synonym of Isthmochloron (Tribophyceae). |
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Morphology: |
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Tetrahedral unicells with four "fingers" (projections) at the end of each arm. Produces uniflagellate zoospores (Ott and Oldham-Ott 2003). |
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Similar genera: |
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Staurastrum (Charophyceae) has a superficially similar outline. |
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Habitat: |
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Bog plankton; often associated with Sphagnum or sedges. In North America Pseudostaurastrum has been collected in Alaska and Minnesota USA (Ott and Oldham-Ott 2003). |
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References: |
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GRAHAM L. and WILCOX L. 2000. Algae. Prentice-Hall Ott, D.W., and C.K. Oldham-Ott 2003. Eustigmatophyte, Raphidophyte, and Tribophyte algae. In: Freshwater Algae of North America, J.D. Wehr and R.G. Sheath (Eds). Chapter 11. |
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