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              Representative specimen 
          
             Section of Central and East Asia 
          
             Calystegia sepium (L.) R.Br.    
          
          
             China, prov. Szechuan, between Tashuivan and Lyuigupin, 02.IX.1893, leg. G.N.Potanin 
          
          
          
          
             Potanin G.N. 
          
          
          
          
             02.IX.1893 
          
          
          
             China [Asia] 
          
          
          
          
             The main label is printed, and supplemented with a stamped label with marked locality (in Russian) and date of collection. 
          
          
          
             Raenko L.M., 2005 
          
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