The genus ptelea in the western and southwestern United States and Mexico,
Greene, Edward Lee, 1843-1915.
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 .
agr06001562
Botany--Mexico.
Botany--West (U.S.)
QK1 / .U5 v. 10
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 .
agr06001562
Botany--Mexico.
Botany--West (U.S.)
QK1 / .U5 v. 10