Davis P H <br/><br/>
Principles of angiosperm taxonomy 
Davis P H; Heywood V H 
 -  1963 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>50878 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Flowering plant<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I5:11, K3;1