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              Representative specimen 
          
             Section of Siberia and Far East 
          
             Dioscorea quinqueloba Thunb.    
          
          
             Herbarium of the State Migration Department. Expedition to Bira and Bidzhan, 1910. Amur provonce, headstream of Ungun. 17.VI.1910, N 101a. 
          
          
          
          
             Semjagin M.E. 
          
          
          
          
             17.VI.1910  
          
          
          
          
             Not confirmed 
          
          
          
             There is fiel label. 
          
          
          
             Raenko L.M., 2004  
          
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