Gleason, Henry Allan,  1882- <br/><br/>
The natural geography of plants  / 
Henry A. Gleason and Arthur Cr onquist. 
 - New York :  Columbia University Press ,  1964. 
 - viii,420p.:  ill., maps ;  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phytogeography.<br/>Botany--North America
<br/><br/><label>Dewey Class. No.: </label>581.9