Critchfield, William B., and Elbert L. Little Jr. 
1966. Geographic distribution of the pines of the 
world. U.S. Dep. Agric. Misc. Publ. 991, 97 p., il- 
lus. (maps). 
Elias, Thomas C. 
1980. The complete trees of North America; field 
guide and natural history, 948 p., illus. (maps). 
Evans, T. C. 
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Virginia. U.S. Dep. Agric. For. Serv., Appalachian 
For. Exp. Stn., For. Surv. Release 10, 32 p., illus. 
(maps). 
Fowells, H. A., compiler. 
1965. Silvics of forest trees of the United States. 
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(maps). 
Griffin, James R., and William B. Critchfield. 
1972. The distribution of forest trees in California. 
U.S. Dep. Agric. For. Serv. Res. Pap. PSW-82, 
114 p., illus. (maps) (1973). (Reprinted with Sup- 
plement, 118 p., illus., maps. 1976.) 
Little, Elbert L., Jr. 
1949. Important forest trees of the United States. 
U.S. Dep. Agric. Yearbook 1949: 763-814, illus. 
(Reprinted 1950 as Yearbook Separate 2156.) 
Little, Elbert L., Jr. 
1951. Mapping ranges of the trees of the United 
States. Rhodora 53: 195-203. 
Little, Elbert L., Jr. 
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SELECTED REFERENCES 
Little, Elbert L., Jr. 
1971. Atlas of United States trees. Volume 1. Coni- 
fers and important hardwoods. U.S. Dep. Agric. 
Misc. Publ. 1146, 9 p., illus. (313 maps, folio). 
Little, Elbert L., Jr. 
1976. Atlas of United States trees. Volume 3. Minor 
western hardwoods. U.S. Dep. Agric. Misc. Publ. 
1134, 13 p., illus. (290 maps). 
Little, Elbert L., Jr. 
1977. Atlas of United States trees. Volume 4. Minor 
eastern hardwoods. U.S. Dep. Agric. Misc. Publ. 
1342, 16 p., illus. (230 maps). 
Little, Elbert L., Jr. 
1978a. Atlas of United States trees. Volume 5. 
Florida. U.S. Dep. Agric. Misc. Publ. 1361, 22 p., 
illus. (268 maps). 
Little, Elbert L., Jr. 
1978b. Important forest trees of the United States. 
U.S. Dep. Agric., Agri. Handb. 519, 70 p., illus. 
(maps). 
Little, Elbert L., Jr. 
1979. Checklist of United States trees (native and 
naturalized). U.S. Dep. Agric., Agric. Handb. 541, 
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Little, Elbert L., Jr., and Barbara H. Honkala. 
1976. Trees and shrubs of the United States: a bib- 
liography for identification. U.S. Dep. Agric. 
Misc. Publ. 1336, 56 p. 
Munns, E. N. 
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the United States. U.S. Dep. Agric. Misc. Publ. 
287, 176 p., illus. (maps). 
Phipps, J. B., and M. Muniyamina. 
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in Ontario. Canad. J. Bot. 58: 1621-1699, illus. 
(maps). 
Roberts, E. V., and J. W. Cruikshank. 
1941a. The distribution of commercial forest trees 
in North Carolina. U.S. Dep. Agric. For. Serv., 
Appalachian For. Exp. Stn., For. Surv. Release 8, 
27 p., illus. (maps). 
Roberts, E. V., and J. W. Cruikshank. 
1941b. The distribution of commercial forest trees 
in South Carolina. U.S. Dep. Agric. For. Serv., 
Appalachian For. Exp. Stn., For. Surv. Release 9, 
20 p., illus. (maps). 
Sternitzke, Herbert S., and William A. Duerr. 
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Surv. Release 64, 19 p., illus. (maps). 
Sudworth, George B. 
1913. Forest atlas. Geographic distribution of North 
American trees. Part I. Pines. U.S. Dep. Agric., 
For. Serv. 36 maps (folio). 
Viereck, Leslie A., and Elbert L. Little, Jr. 
1975. Atlas of United States trees. Volume 2. Alaska 
trees and common shrubs. U.S. Dep. Agric. Misc. 
Publ. 1293, 19 p., illus. (105 maps). 
Zanoni, Thomas A. 
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(Juniperus, Cupressaceae)—a century later. Phy- 
tologia 38: 433-454. 
