Western North American Naturalist

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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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New altitudinal records for, and ecomorphic variation in, two freshwater sponges (Porifera: Spongillidae: Spongilla lacustris and Ephydatia muelleri) from a Colorado, USA, alpine lake
Scott J. Herrmann, Del Wayne R. Nimmo, and Lynn M. Herrmann-Hoesing

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

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Discovery of the yellow-bellied marmot (Marmota flaviventris) in the Jemez Mountains, New Mexico: examining competing hypotheses for range extension
Jennifer K. Frey, Erik A. Beever, Charles D. Hathcock, Robert R. Parmenter, and Marie L. Westover

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

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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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Examining ecological consequences of feral horse grazing using exclosures
Erik A. Beever and Peter F. Brussard