Plant conservation/ 
edited by David Ehrenfeld. 
 - Cambridge, Mass.:  Blackwell Science,  1995. 
 - 224 p. :   ill. ;   28 cm. 
 - Readings from conservation biology. .
<br/><br/>p. 223-224. 
<br/><br/><label>ISBN: </label>0865424500  RM88.14 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant conservation.