taxonomy

Hobbs, Jr., H. H. 1976a. Crayfishes (Astacidae) of North and Middle America. Biological Methods Branch, Environmental Protection Agency, Cincinnati, Ohio. 173 pp.

Sibley, Charles G. and Burt L. Monroe, Jr. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven, Connecticut and London. 1111pp.

• bird
• distribution
• taxonomy

Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, P. M. Mikkelsen, R. J. Neves, C. F. E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F. G. Thompson, M. Vecchione, and J. D. Williams. 1998. Common and scientific names

Barneby, R.C. 1989. Fabales. In A. Cronquist, A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren (eds.). Intermountain flora: Vascular plants of the Intermountain West, U.S.A. Vol. 3, Part B. New York Botanical Garden, Bronx. 279 pp.

Frost, D. R. 1985. Amphibian species of the world. A taxonomic and geographical reference. Allen Press, Inc., and The Association of Systematics Collections, Lawrence, Kansas. v + 732 pp.

• distribution
• taxonomy
• checklist

Martin, W.C., and C.R. Hutchins. 1980-1981. A flora of New Mexico. 1980, Vol. 1; 1981, Vol. 2. J. Cramer, in der A.R. Gantner Verlag, K.G., Vaduz, Liechtenstein. 2591 pp.

• taxonomy
• HABITAT
• range
• flora

Kartesz, J.T., and R. Kartesz. 1980. A synonymized checklist of the vascular flora of the United States, Canada and Greenland. Vol. 2. The biota of North America. Univ. of North Carolina Press, Chapel Hill. 500 pp.

• taxonomy
• checklist

Rollins, R.C., and E.A. Shaw. 1973. The genus Lesquerella (Cruciferae) in North America. Harvard Univ. Press. Cambridge, MA. 288 pp.

• taxonomy
• systematics
• distribution map
• Lesquerella
• Cruciferae

Smith, H.M. 1992. Adaptive convergence in the lizard superspecies Sceloporus undulatus. Bull. of the Maryland Herp. Soc., 28(4):123-149.

• taxonomy
• Scleoporus arenicolus
• Sceloporus graciosus
• Sceloporus undulatus

Barneby, R.C., and R. Spellenberg. 1987. A new species of Astragalus (Leguminosae) from northwestern New Mexico and adjacent Arizona. Brittonia 39: 188-191.

• taxonomy
• Astragalus chuskanus
• Fabaceae
• new species