Plant diversity; an evolutionary approach 
[by] Robert F. Scagel [and others] 
 - Belmont, Calif.  Wadsworth Pub. Co.  [1969] 
 - xii, 460 p.  illus.  26 cm. 
 - The Wadsworth botany series .
<br/><br/>Bibliography: p. 425-431. 
<br/><br/><label>LCCN: </label>69014779  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>Plants--Evolution.
<br/><br/><label>LC Class. No.: </label>QK47  / .P59 
<br/><br/><label>Dewey Class. No.: </label>581