Davis, Peter Hadlund <br/><br/>
Principles of angiosperm taxonomy 

 - Princeton  Van Nostrand  1963 
 - xx,556p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>LC Class. No.: </label>QK95.D3