Volume 63, Number 3 (2003)
Front Matter
Articles
Genetic analysis of the rare species Salix arizonica (Salicaceae) and associated willows in Arizona and Utah
Julie T. Thompson, Renée Van Buren, and Kimball T. Harper
Plant community patterns in unburned and burned blackbrush (Coleogne ramosissima Torr.) shrublands in the Mojave Desert
Matthew L. Brooks and John R. Matchett
Geobotany of the Niobrara chalk barrens in Colorado: a study of edaphic endemism
Sylvia Kelso, Nathan W. Bower, Kirsten E. Heckmann, Paul M. Beardsley, and Darren G. Greve
Recurrence of Mexican long-tongued bats (Choeronycteris mexicana) at historical sites in Arizona and New Mexico
Paul M. Cryan and Michael A. Bogan
Distributional information on birds from egg sets collected by Henry Rogers Durkee in 1870 in southwestern Wyoming
Douglas B. McNair and James P. Dean
Insect-mediated pollination in slickspot peppergrass, Lepidium papilliferum L. (Brassicaceae), and its implications for population viability
Ian C. Robertson and Danielle Klemash
Aquatic Oligochaeta (Annelida: Lumbriculidae, Haplotaxidae, Naididae, Tubificidae) of Utah
Douglas R. Spencer and Richard L. Denton
Northern Saw-whet Owl (Aegolius acadicus) migration in the Pacific Northwest
Graham G. Frye and Richard P. Gerhardt
Dispersal of sagebrush-steppe seeds by the western harvester ant (Pogonomyrmex occidentalis)
John F. Mull
Breeding populations of Swainson's Hawks, Red-Tailed Hawks, and Golden Eagles in north central Oregon: 1975–1982 and 1999
Stewart W. Janes
Roosting behavior of the Mexican free-tailed bat (Tadarida brasiliensis) in a highway overpass
Mario P. Sgro and Kenneth T. Wilkins
Assortative mating in insects: sexual selection vs. sampling artifact
Ruth Bernstein and Stephen Bernstein
Estimates of the incidence of mistletoes in pinyon-juniper woodlands of the Coconino National Forest, Arizona
Carolyn M. Daugherty and Robert L. Mathiasen
Notes
Occurrence of the California red-legged frog (Rana aurora draytonii) in Nevada, USA
Jamie Kristine Reaser
Fall diet of Chukars (Alectoris chukar) in eastern Oregon and discovery of ingested lead pellets
Hanspeter Walter and Kerry P. Reese
Range expansions of raccoons in western Utah and central Nevada
Jan F. Kamler, Warren B. Ballard, Brent R. Helliker, and San Stiver
End Matter
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