Fottea, 2014 (vol. 14), issue 2

Fottea 14(2): 201-207, 2014 | 10.5507/fot.2014.015

The genus Stauroneis (Bacillariophyta) from the South Shetland Islands and James Ross Island (Antarctica).

Ralitsa Zidarova*,1, Kateřina Kopalová2,3, Bart Van de Vijver4,5
1 "St. Kliment Ohridski" Univeristy of Sofia, Faculty of Biology, Department of Botany, 8 Dragan Tzankov Blvd., 1164 Sofia, Bulgaria
2 Charles University in Prague, Faculty of Science, Department of Ecology, Viničná 7, 12844 Prague 2, Czech Republic
3 Academy of Sciences of the Czech Republic, Institute of Botany, Section of Plant Ecology, Dukelská 135, 37982 Třeboň, Czech Republic
4 Botanic Garden Meise, Department of Bryophyta & Thallophyta, Nieuwelaan 38, B-1860 Meise, Belgium
5 University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Antwerpen, Belgium

During a survey of the freshwater aquatic and limno-terrestrial diatom flora of the Maritime Antarctic Region, five taxa belonging to the genus Stauroneis that could not be identified were observed. Based on detailed LM and SEM observations, these five taxa have been described as new taxa: Stauroneis australobtusa sp. nov., S. acidojarensis sp. nov., S. delicata sp. nov., S. jamesrossensis sp. nov. and S. reichardtiopsis sp. nov. Comments are made on their taxonomic position and separation from other species in this genus. Brief notes on the ecology and distribution of the five taxa are added. A compiled list of all Stauroneis taxa present in the (sub-)Antarctic region is included in this paper and their Biogeography based on the compiled data is discussed.

Keywords: Stauroneis, Bacillariophyta, Antarctica, taxonomy, morphology, biogeography

Received: April 22, 2014; Accepted: June 15, 2014; Published: September 1, 2014

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