Gleason, Henry A.,  1882-1975. <br/><br/>
The natural geography of plants / 
by Henry A. Gleason and Arthur Cronquist. 
 - New York :  Columbia University Press,  1964 [reprinted 1965]. 
 - viii, 420 p. :  illus., maps.  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phytogeography.<br/>Botany--North America.
<br/><br/><label>Dewey Class. No.: </label>581.9  / GLN 1965