Press. Archer, W. Andrew, ed. ... A manual of southwestern desert trees and shrubs. Univ. ... 19.54. Froiland, Sven G. 1962. The genus Salix (willows) in the Black Hills of South Dakota. U.S. Dep. Agrie. Tech. Bull. ... Rhodora 44: 193- 211. illus.
|Title||:||Atlas of United States Trees: Conifers and important hardwoods, by E.L. Little, Jr|
|Author||:||United States. Forest Service, Elbert Luther Little, Leslie A. Viereck|