Botany
Brockman, Frank C. Trees of Mount Rainier National Park. 49 pp. Univ. of Washington Press. Seattle, 1949. (Popular.) Excellent guide to identification of trees which also occur in Olympic National Park. Written by former chief park naturalist.
Lyons, Chester P. Trees, Shrubs and Flowers to Know in Washington. 211 pp. J. M. Dent. Vancouver, Canada, 1956. (Popular.) Well illustrated aid to identification of most of the plants in the park.
Sharpe, Grant and Wenonah Sharpe. 101 Wildflowers of Olympic National park. 40 pp. Univ. of Washington Press. Seattle, 1954. (Popular.) Excellent inexpensive guide to the most conspicuous flowers the visitor will see. Written by a former ranger-naturalist.