The genus ptelea in the western and southwestern United States and Mexico
By: by Edward L. Greene.
Series: Smithsonian institution.  United States National museum.  Contributions from the United States National herbarium.; vol. X, pt. 2
Publisher: Govt. print off.
Published: 1906
Place of publication: Washington
Language: eng
Number of pages: 78
Subjects: Botany -- Mexico.; Botany -- West (U.S.)