Britton, Nathaniel Lord <br/><br/>
An illustrated flora of the northern United States and Canada; from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian 

 - 1st ed 
 - Mineola, N.Y:  Dover Publications,  1970 
 - 3 v.680p illus. 24 cm 
<br/><br/><label>ISBN: </label>9780486226422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants - Canada - Identification
<br/><br/><label>Dewey Class. No.: </label>581.097 BRI.1