Rayle, David. <br/><br/>
Botany :a human concern / 
David Rayle and Lee Wedberg. 
 - Boston :  Houghton Mifflin,  c1975. 
 - x, 401 p. :  ill. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0395201128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.