Greene, Edward Lee,  1843-1915. <br/><br/>
The genus ptelea in the western and southwestern United States and Mexico, 
by Edward L. Greene. 
 - Washington,  Govt. print off.,  1906. 
 - v, 49-78 p., 1 l.  25 cm. 
 - Smithsonian institution.  United States National museum.  Contributions from the United States National herbarium.  vol. X, pt. 2 .
<br/><br/><label>LCCN: </label>agr06001562  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Mexico.<br/>Botany--West (U.S.)
<br/><br/><label>LC Class. No.: </label>QK1  / .U5 v. 10