Macrophytes of the River Danube Basin

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Breg and Brigach are the headwaters of the River Danube, originating from the Black Forest at 1078m, and 925m, respectively. They merge near the town of Donaueschingen, creating the River Danube. Determined by geological back- ground and the steep gradient between the springs and Donaueschingen, the two rivers are dominated by bryophytes.