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Acta Botanica Brasilica

Print version ISSN 0102-3306

Abstract

NARDELLI, Margaret Seghetto et al. Coscinodiscophyceae and Fragilariophyceae (Diatomeae) in the Iguaçu River, Paraná, Brazil. Acta Bot. Bras. [online]. 2014, vol.28, n.1, pp.127-140. ISSN 0102-3306.  http://dx.doi.org/10.1590/S0102-33062014000100013.

A taxonomic survey was carried out on Coscinodiscophyceae and Fragilariophyceae found in the Iguaçu River catchment area within Iguaçu National Park, in the state of Paraná, Brazil. Between September 2007 and August 2008, we collected 24 samples from two stations on the Iguaçu River, upstream and downstream of the falls. We identified 37 taxa, including 22 specific and infraspecific taxa of Coscinodiscophyceae, together with 15 specific and infraspecific taxa of Fragilariophyceae. Melosira ruttneri Hustedt and Fragilaria alpestris Krasske ex Hustedt represent new records for Brazil.

Keywords : diatoms; lotic systems; southern Brazil; taxonomy.

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