Scharpf, Robert F.,  1931- <br/><br/>
Dwarf mistletoe on sugar pine, 
by Robert F. Scharpf and Frank G. Hawksworth. 
 - [Washington,  U.S. Govt. Print. Off.]  1968. 
 - 4 p.  illus.  24 cm. 
<br/><br/> Caption title. 
<br/><br/>Bibliography: p. 4. 
<br/><br/><label>LCCN: </label>agr68000322  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Western dwarf mistletoe.<br/>Sugar pine--Diseases and pests.<br/>Arceuthobium campylopodum.<br/>Pinus lambertiana--Diseases.
<br/><br/><label>National Agricultural Library Call No.: </label>A423.9 F764 no. 113