Wild flowers of the United States 
Harold William Rickett ; general editor, William C. Steere ; collaborators: Rogers McVaugh ... et al. 
 - New York  McGraw-Hill  1966 
 - 6 v. in 14 pts. : ill. ; 33 cm. 
<br/><br/> 'Publication of the New York Botanical Garden.' 
<br/><br/>v. 1. The Northeastern States. 2 v.--v. 2. The Southeastern States. 2 v.--v. 3. Texas. 2 v.--v. 4. The Southwestern States. 3 v.--v. 5. The Northwestern States. 2 v.--v. 6. The central mountains and plains. 3 v. 
<br/><br/><label>LCCN: </label>66-017920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wild flowers--United States--Pictorial works