Paul Carpenter Standley

The Mexican and Central American Species of Ficus

Flora of the District of Columbia and Vicinity. By A.S. Hitchcock and Paul C. Standley, With the Assistance of the Botanists of Washington

Type Localities of Plants First Described from New Mexico

Flora of New Mexico. by E. O. Wooton and Paul C. Standley

Grasses and Grass-Like Plants of New Mexico

Flora Of New Mexico