Durand, Herbert. <br/><br/>
Field book of common ferns  for identifying fifty conspicuous species of Eastern America, with directions for their culture. 
by Herbert Durand. 
 - New York  Putman  1949. 
 - 233 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns