Clarke, Robert Connell,  1953- <br/><br/>
Cannabis  evolution and ethnobotany /  [electronic resource] : 
Robert C. Clarke, Mark D. Merlin. 
 - Berkeley :  University of California Press,  2013. 
 - xv, 434 p. :  ill., map. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780520954571(ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cannabis.<br/>Cannabis--Evolution.<br/>Cannabis--Utilization.<br/>Human-plant relationships.