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Bidens tripartita. Dreiteiliger Zweizahn Bidens tripartita im Naturschutzgebiet St Arnualer Wiesen discovery place Sankt Arnual own AnRo camera coord Location Cczero Asteroideae in Naturschutzgebiet St Arnualer Wiesen Bidens tripartita Asterales in Saarbrcken in August Bidens tripartita Asteroideae in the Northern Hemisphere