1972. Alaska trees and shrubs. U.S. Dep. Agric, Agric. Handb. 410. 

 265 p., illus. (maps). 



Viereck, Leslie A., and Elbert L. Little, Jr. 

 1974. Guide to Alaska trees. U.S. Dep. Agric, Agric. Handb. 472, 98 

 p., illus. (maps). 



Arizona 



See also: Little, Elbert L., Jr. 1950 N. Mex.; 1951 N. Mex. 



Benson, Lyman. 



1969. The cacti of Arizona. 3d ed., 218 p., illus. (part col., maps). Univ. 

 Ariz. Press, Tucson. 



Dodge, Natt N. 



1936. Trees of Grand Canyon National Park. Grand Canyon Nat. Hist. 

 Assoc. Nat. Hist. Bull. 3, 69 p., illus. Grand Canyon National Park, 

 Ariz. 

 Nelson, Richard C, and Sharon Nelson. 



1976. Easy field guide to common trees of Arizona, [n. p.] illus. Tecolote 

 Press, Glenwood, N. Mex. 

 Pinkava, Donald J., and Elinor Lehto. 



1970. A vegetative key to the cultivated woody plants of the Salt River 

 Valley, Arizona. Photography by Larry Mishler. 72 p., illus. Ariz. 

 State Univ., Tempe. 



Soil Conservation Society of America. 



1973. Landscaping with native Arizona plants. Natural Vegetation 

 Committee, Arizona Chapter, Soil Conservation Society of America, 

 Ervin M. Schmutz, Chairman. 194 p., illus. Univ. Ariz. Press, Tuc- 

 son. 



Marshall, W. Taylor. 



1953. Arizona's cactuses. Rev. Desert Botanical Garden of Arizona Sci. 

 Bull. 1, 116 p., illus. (First printed 1950.) 



Arkansas 



Lindahl, J. C. 



1938. Trees of Hot Springs National Park and vicinity. Hot Springs 

 Nat. Hist. Assoc, Nat. Hist. J. 4, 52 p., illus. (Mimeographed.) 

 Moore, D wight Munson. 



1972. Trees of Arkansas. 3d rev. ed. 142 p., illus. Ark. For. Comm., 

 Little Rock. 

 Tucker, Gary Edward. 



1976. A guide to the woody flora of Arkansas. Ph. D. thesis.Univ. Ark. , 

 Fayette ville. 356 p., illus. (maps.). 



California 



See also: Griffin, James R., and William B. Critchfield 1972 C. 



29 



