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              1908-1915  
           
           
          
             Siberia, Far East, Middle Asia  
           
           
          
             Dessiatoff N.A., Fedtschenko B.A., Knorring O.E., Krascheninnikov I.M., Kutscherovskaya, S.E., Minkvitz Z.A., Michelson A.I., Ptashitzki M.I., Rozhevitz R.Yu., Semjagin M.E. & others. 
           
           
          
             200'000-500'000 specimens  
           
           
          
             1908-1917 
           
           
          
             Collected in field expeditions of State Migration Department of the Russian Agricultural Ministry. 
           
           
          
             Sections of Siberia & Far East and Middle Asia. 
Stored in main funds.  
           
           
          
             Most of the specimens set up on special sheets with typographical heading "Hortus Botanicus Imperialis Petropolitanus. Herbarium of the State Migration Department" with the emblem of the Russian Empire on the top. 
 
Many specimens have draft "field label". 
 
           
           
          
             Lipshits S.Yu. & Vasilchenko I.T. 1968. Tsentralnyi Gerbariy SSSR: istoricheskiy ocherk [Central Herbarium of the USSR: historical abstract]. Leningrad, Nauka. 
           
           
          
             Roskov Yu.R., 2004  
           
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                  Dioscorea quinqueloba Thunb.   
                 
                
                     (Representative specimen)
                 
                 
                
                
                  
                   
                  
                 
                
                  Dioscorea quinqueloba Thunb.   
                 
                
                     (Representative specimen)
                 
                 
                
                
                  
                   
                  
                 
                
                  Fimbriosylis squarrosa Vahl    
                 
                
                     (Representative specimen)
                 
                 
                
                
                  
                   
                  
                 
                
                  Lathyrus luteus (L.) Gren.   
                 
                
                     (Representative specimen)
                 
                 
                
                
                  
                   
                  
                 
                
                  Lotus krylovii Schischk. & Serg.   
                 
                
                     (Representative specimen)
                 
                 
                
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