Zwinger, Ann, <br/><br/>
Land above the trees :  a guide to American alpine tundra / 
by Ann H. Zwinger and Beatrice E. Willard ; with line drawings by Ann H. Zwinger and photos by Herman Zwinger and Beatrice Willard. 
 - [First edition] 
 - xviii, 489 pages  illustrations (part color)  26 cm. 
<br/><br/>Bibliography: p. 455-466. 
<br/><br/><label>ISBN: </label>0060148233 
<br/><br/><label>LCCN: </label>72079702 //r962 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mountain ecology--United States.<br/>Tundra ecology--United States.<br/>Mountain plants--United States.
<br/><br/><label>LC Class. No.: </label>QH541.5.M65  / Z85 
<br/><br/><label>Dewey Class. No.: </label>574.5/264