Lersten, Nels R <br/><br/>
Volume title 

 - Ohio  Department of Plant Biology  1993 
<br/><br/><label>Subjects--Uniform Titles: </label>--POST GRADUATE REFERENCE
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Botany
<br/><br/><label>Dewey Class. No.: </label>580  / LER-V