Taylor, Thomas M. C. <br/><br/>
Pacific Northwest ferns and their allies 

 - Toronto :  University of Toronto,  1970 
 - 247 p.  : ilus. 
<br/><br/><label>LCCN: </label>44488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helechos.
<br/><br/><label>Dewey Class. No.: </label>587.31  / T3