Benson, Lyman. <br/><br/>
The native cacti of California 

 - Stanford, Cal. :  Stanford University,  1969 
 - 243 p.  : ilus. ; láms. 
<br/><br/><label>LCCN: </label>14860 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cactáceas.
<br/><br/><label>Dewey Class. No.: </label>583.47  / B45