Miller-Rushing, Abraham J <br/><br/>
Photographs and herbarium specimens as tools to document phenological changes in response to global warming.  [electronic resource] 

 -  American journal of botany  Nov 2006 
 - 1667-74 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9122 
<br/><br/><label>Standard No.: </label>10.3732/ajb.93.11.1667  doi