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Front Matter, Vol. 45 No. 2

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Utah flora: Saxifragaceae
Sherel Goodrich

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Utah's rare plants revisited
Stanley L. Welsh and L. Matthew Chatterley

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New records and comprehensive list of the algal taxa of Utah Lake, Utah, USA
Samuel R. Rushforth and Lorin E. Squires

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Host-parasite studies of Trichophrya infesting cutthroat trout (Salmo clarki) and longnose suckers (Catostomus catostomus) from Yellowstone Lake, Wyoming
R. A. Heckmann and T. Carroll

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New synonymy and new species of bark beetles (Coleoptera: Scolytidae)
Stephen L. Wood

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New Nevada entities and combinations in Eriogonum (Polygonaceae)
James L. Reveal

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Growth and reproduction of the flannelmouth sucker, Catostomus latipinnis, in the Upper Colorado River Basin, 1975–76
Charles W. McAda and Richard S. Wydoski

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Burrowing Owl foods in Conata Basin, South Dakota
James G. MacCracken, Daniel W. Uresk, and Richard M. Hansen

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Addendum to the distribution of two herptiles in Idaho
Timothy D. Reynolds and William F. Laurance

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Nesting and predatory behavior of some Tachysphex from the western United States (Hymenoptera: Sphecidae)
Nancy B. Elliott and Frank E. Kurczewski

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Pollinators of Astragalus monoensis Barneby (Fabaceae): new host records; potential impact of sheep grazing
Evan A. Sugden

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Vegetational and geomorphic change on snow avalanche paths, Glacier National Park, Montana, USA
David R. Butler

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Effectiveness of the seed wing of Pinus flexilis in wind dispersal
Ronald M. Lanner

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Habitat relationships of the blackbrush community (Coleogyne ramosissima) of southwestern Utah
James Callison and Jack D. Brotherson

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Size selection of food by cutthroat trout, Salmo clarki, in an Idaho stream
William D. Skinner

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Aspects of the biology of the flathead chub (Hybopsis gracilis) in Montana
William Gould

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End Matter, Vol. 45 No. 2

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Full Issue, Vol. 45 No. 2