morphology

Hall, E. R. 1981a. The Mammals of North America, second edition. Vols. I & II. John Wiley & Sons, New York, New York. 1181 pp.

• morphology
• taxonomy
• HABITAT
• distribution

Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.

• morphology
• orchid
• taxonomy
• distribution
• HABITAT

Needham, J.G. and M.J. Westfall, Jr. 1954. A Manual of the Dragonflies of North America (Anisoptera). University of California Press, Berkeley, California. 615 pp.

• morphology
• systematics
• taxonomy
• Crossosomataceae
• dragonfly

Hitchcock, A.S. 1951. Manual of the grasses of the United States. 2nd edition revised by Agnes Chase. [Reprinted, 1971, in 2 vols., by Dover Publications, Incorporated, New York.]

• key
• morphology
• taxonomy
• distribution
• GRASSES
• HABITAT

Rickett, H. W. 1973. Wild flowers of the United States: Vol. 6 (3 parts). The central mountains and plains. McGraw-Hill Book Company, New York. 784 pp. + plates.

• taxonomy
• wildflowers
• distribution
• HABITAT
• morphology

Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1984. Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. Vol. 4, Subclass Asteridae (except Asteraceae). New York Botanical Garden, Bronx. 573 pp.

• key
• morphology
• Western Rocky Mountains
• Asteridae
• distribution
• HABITAT

Pyle, R. M. 1981. The Audubon Society Field Guide to North American Butterflies. Alfred A. Knopf, New York, New York. 916 pp. + color plates.

• taxonomy
• life cycle
• morphology
• HABITAT
• distribution
• butterfly

Gould, F.W. 1975. The grasses of Texas. Texas A & M Univ. Press, College Station, TX. 653 pp.

• taxonomy
• Texas
• morphology
• flowering season
• GRASSES
• distribution

Correll, D.S., and H.B. Correll. 1972. Aquatic and wetland plants of southwestern United States. 2 volumes. Stanford Univ. Press, Stanford, California. 1777 pp.

• taxonomy
• wetland
• morphology
• HABITAT
• key
• distribution

Linzey, A. V., and D. W. Linzey. 1971. Mammals of the Great Smoky Mountains National Park. The University of Tennessee Press, Knoxville, Tennessee. 114 pp.

• morphology
• feeding habits
• Great Smoky Mountains National Park
• HABITAT