Euastrum (Desmidiaceae, Zygnematophyceae) from the northern coast of Bahia, Brazil

Ivania Batista de Oliveira, Carlos Eduardo de Mattos Bicudo, Carlos Wallace do Nascimento Moura


This study aims to
identify the taxa belonging to the genus Euastrum present in three Environmental Protection Areas (EPAs) of the coastal
plain of the northern Bahia State (Litoral Norte, Lagoas de Guarajuba and Rio Capivara), contributing to the knowledge of
the biodiversity of the State and to the geographic distribution of taxa. The analyzed material came from 116 sampling
units randomly collected in three EPAs using 20 μm size plankton net and were fixed immediately in Transeau solution.
Qualitative analysis and illustrations were conducted with the aid of an optical microscope with digital camera attached.
Twenty-three taxa were identified; 17 of them are additions to the desmidioflora of Bahia. Based on this data, the number
of taxa recorded for the State raised to 35. Descriptions, illustrations and comparisons with related taxa are presented.



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