2009.01.06: Austria, Vienna XXII. district, 153 m AMSL, bayou, winter.Flowering from july till september (october).Up front you can see domes grown by clusters of Carex species (German Seggenrieder) - a very typical feature of Lobau marshland habitats.Very common.German names: Europa-Schilf, Gewhnliches Schilf, Schilfrohr, Rohr.