Solbrig, Otto Thomas. <br/><br/>
Principles and methods of plant biosystematics 
[by] Otto T. Solbrig. 
 - New York :  Macmillan,  1970. 
 - xiii, 226 p. :  ill. , maps, ports. ;  24 cm. 
 - Macmillan biology series. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>[                ] (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Classification.