Flora of the U.S.S.R/ 
initiated under the supervision and chief e ditorship of Academician V.L.  Komarov; scientific editors; stanwyn G. Shelter, Galina N. Fet 
 - Washington, D.C. :  Smithsonian Institution Libraries  1997- 
 - v. <22-23, 25-30> :ill. ;  25 cm 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification--Soviet Union--<br/>Plants--Identification
<br/><br/><label>Dewey Class. No.: </label>580.947 FLO