A new species of Staurosirella (Bacillariophyta) observed in a spring of the catchment of the Regional Natural Reserve of Jolan and Gazelle Peatlands, French Massif Central, France
Résumé
During a survey of headwater springs in France, an unknown Staurosirella taxon was observed that could not be identified using the currently available literature. Based on light and scanning electron microscopy observations, the taxon is described as a new species: Staurosirella lucectoriana. The new species is characterised by small isopolar, elliptical frustules, with a very small apical pore field, composed of only a few pores on one valve pole. Staurosirella lucectoriana is typically found in waters with high nitrate concentrations. A detailed comparison with morphologically similar species is provided.
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