Rayle, David. <br/><br/>
Botany   a human concern 
David L. Rayle and Hale L. Wedberg. 
 - 2nd ed. 
 - Philadelphia   Saunders College  c1980. 
 - vii, 358 p., [4] leaves of plates :  ill. ;  28 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>072167481X 003056753X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.
<br/><br/><label>Dewey Class. No.: </label>Cir 581 R21 1980