Foster, Steven <br/><br/>
A Field guide to midicinal plants  eastern and central north America 
text and photographs by Steven Foster; line drawings by, Roge Tory Peterson; Jim Blackfeather Rose and Lee Allen Peterson. 
 - 6th ed. 
 - Boston  Houghton Mifflin  1990 
 - xii,366p., ill.; 18cm.- (The peterson field guide series, 40). 
<br/><br/><label>Dewey Class. No.: </label>581.6340973  / F71F