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New Species and Combinations in the Diatom Genus Sellaphora (Sellaphoraceae) from Southeastern United States
Journal article   Peer reviewed

New Species and Combinations in the Diatom Genus Sellaphora (Sellaphoraceae) from Southeastern United States

Marina G Potapova and Karin C Ponader
Harvard papers in botany, v 13(1), pp 171-181
Jun 2008

Abstract

diatoms North America s Sellaphora Sellaphoraceae
Selected Sellaphora species from rivers and springs of the southeastern United States were studied by light (LM) and scanning electron (SEM) microscopy. Three new species are described here and two new combinations are made. Besides the traditional morphological characters, additional morphometric data were used to delineate species. Sellaphora hohnii is known only from Silver Springs, Florida, and S. rugula only from a tributary of the Savannah River, Georgia, while S. wallacei and S. meridionalis have wider distributions, but are currently known only from the Southeastern U.S. S. rexii is apparently a globally distributed species. All five species usually have low relative abundances in river samples.

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