Dates of introduction of trees and shrubs to California.
Compiled by Harry M. Butterfield.

APA Citation

Butterfield, H. M. (Harry Morton). (1964). Dates of introduction of trees and shrubs to California. [Davis, Calif.]: Landscape Horticulture, U.C.D..

MLA Citation

Butterfield, H. M. (Harry Morton), 1887-. Dates of Introduction of Trees And Shrubs to California. [Davis, Calif.]: Landscape Horticulture, U.C.D., 1964.

Warning: These citations may not always be complete (especially for serials).