Benson, Lyman <br/><br/>
Plant classification 

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 - New Delhi    1970 
 - xiv,669p. ill.   
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<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>Taxonomy  plant classification 
<br/><br/><label>Dewey Class. No.: </label>582