Gleason, Henry Allan. <br/><br/>
Manual of vascular plants of Northeastern United States and adjacent Canada 

 - Princeton :  Van Nostrand,  1963 
 - 810 p. 
<br/><br/><label>LCCN: </label>12641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botánica--Canadá.<br/>Botánica--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>581.973  / G54