Plants photographed in Nature by Oleg Kosterin

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                           Polygonaceae

Aconogonon alpinum (All.) Schur.           Dzhungarian Alatau  
   (= Polygonum alpinum All.; = Aconogon alpinum)
Atraphaxis frurescens (L.) C. Koch.        Novosibirsk Province
Polygonum amphibium L.                     Tuva
   (= Persicaria amphibia (L.) S. F. Gray
Polygonum ellipticum Willd .ex Sprengel    W Sayan, Kamchatka
   (= Bistorta elliptica (Willd. ex Sprengel) Kom.
Rheum maximoviczii Losinsk.                Ghissar             
Rheum spiciforme Royle                     Dzhungarian Alatau  
   (= Rheum rhizostachyum Schrenk)
Rheum rhabarbarum L.                       Dahuria             
   (= Rheum undulatum L.)
Rheum wittrockii Lundstp.                  Dzhungarian Alatau  
Rumex acetsella L.                         Novosibirsk
   (= Acetosella vulgaris (Koch) Fourr.
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