Nordborg, Gertrud <br/><br/>
Genus Sanguisorba section Poterium, the : Experimental studies and taxonomy 

 - Lund  Univ.  1967 
 - 166 s. : ill. 
<br/><br/><label>Subjects--Index Terms: </label>BOTANY ROSACEAE SANGUISORBA TAXONOMY 
<br/><br/><label>Dewey Class. No.: </label>583.73