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Brackish water and freshwater species of the diatom genus Skeletonema . 2 Skeletonema potamos comb. nov.
Hasle, G.R.; Evensen, D.L. (1976). Brackish water and freshwater species of the diatom genus Skeletonema . 2 Skeletonema potamos comb. nov. J. Phycol. 12(1): 73-82
In: Journal of Phycology. Blackwell Science: New York. ISSN 0022-3646, more
Peer reviewed article  

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Keywords
    Skeletonema R.K. Greville, 1865 [WoRMS]; Skeletonema potamos (C.I.Weber) Hasle, 1976 [WoRMS]; Marine

Authors  Top 
  • Hasle, G.R.
  • Evensen, D.L.

Abstract
    Electron microscope investigations of the siliceous frustule show that the diatom described by Hustedt as Stephanodiscus subsalsus (A. Cleve) Hust. is not Skeletonema subsalsum (A. Cleve) Bethge (Melosira subsalsa A. Cleve) but is Microsiphona potamos Weber. This species is so similar to Skeletonema costatum (Grev.) Cleve and Skeletonema subsalsum that the combination Skeletonema potamos (Weber) Hasle is suggested. Present records classify Skeletonema potamos as a freshwater species of lakes and rivers. In Sandusky Bay, Lake Erie (U.S.A.) and in River Wümme, a tributary of the River Weser (Germany) it grows with Skeletonema subsalsum. In nature, and when grown in cultures at a salinity of 0%, the processes are extremely short; when grown at salinities of 2% or more, the processes are much longer.

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