Occurrence: Occasionally in moderately acidic moor waters and littoral zones of moor lakes. Cosmopolitan, scattered throughout Central Europe.
Left: Original graphic by Prof. Lenzenweger. Right: Photomicrograph by Angelika-Maria Opitz (St. Ulrich am Pillersee, Austria), handed over by Prof. Lenzenweger.
Copyright by Prof. Rupert Lenzenweger, Ried im Innkreis, Austria.