Zannichellia palustris L. [ Zannichellia repens Boenn.]
      
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6 1080472 Zannichellia palustris L. Potamogetonaceae
T.F.L. Nees von Esenbeck, F.KL. Spenner, A. Putterlick, J.X.R. Caspary, Gen. Fl. Germ., vol. 3 (Monocotyledones 2 Cyperaceae etc): , fig. 8-16 (1845)