Dittmer Howard J <br/><br/>
Phylogeny and form in the plant kingdom 

 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>50086 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant evolution<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I:66, K4