Western North American Naturalist

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What North American bees are associated with milkweed (Asclepias) flowers?
Joseph S. Wilson

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Accidental mass mortality of migrating mule deer
Vernon C. Bleich and Becky M. Pierce

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"Pando" lives: molecular genetic evidence of a giant aspen clone in central Utah
Jennifer DeWoody, Carol A. Rowe, Valerie D. Hipkins, and Karen E. Mock

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Melanism in endangered Mohave tui chub Siphateles bicolor mohavensis Snyder 1918 (Cypriniformes: Cyprinidae)
Sujan M. Henkanaththegedara and Craig A. Stockwell

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Effects of cattle grazing on North American arid ecosystems: a quantitative review
Allison Jones

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Cone and seed production in Pinus ponderosa: a review
Pamela G. Krannitz and Thomas E. Duralia

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Leeches of the Snake River in Idaho and Oregon: paleodrainage implications of Mooreobdella microstoma
Peter Hovingh, William H. Clark, and John Keebaugh

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Ringtail (Bassariscus astutus) ecology and behavior in central New Mexico, USA
Robert L. Harrison

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Soil compaction from human trampling, biking, and off-road motor vehicle activity in a blackbrush (Coleogyne ramosissima) shrubland
Simon A. Lei

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Black-tailed and white-tailed jackrabbits in the American West: history, ecology, ecological significance, and survey methods
Matthew T. Simes, Kathleen M. Longshore, Kenneth E. Nussear, Greg L. Beatty, David E. Brown, and Todd C. Esque