2010.07.27 Vienna XXII. (Hausgraben - bayou 153 m AMSL).Inflorescence in the evening: flowers have withered by that time.German name: Lanzett-Froschlffel
2010.07.27 Vienna XXII. (Hausgraben - bayou 153 m AMSL).In Hausgraben habitat it is only occupying a small part of the stream, else Alisma plantago-aquatica is dominating.German name: Lanzett-Froschlffel
2010.07.30 Vienna XXII. (Hausgraben - bayou 153 m AMSL).Inflorescence in the morning (flowering; with leaf; heavily infested with plant lice).German name: Lanzett-Froschlffel