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Front Matter, Vol. 46 No. 1

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Dynamic landforms and plant communities in a pluvial lake basin
James A. Young, Raymond A. Evans, Bruce A. Roundy, and John A. Brown

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Vegetation and flora of Pine Butte Fen, Teton County, Montana
Peter Lesica

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Effects of suspended sediment on leaf processing by Hesperophylax occidentalis (Trichoptera: Limnephilidae) and Pteronarcys californica (Plecoptera: Pteronarcidae)
C. Evan Hornig and Merlyn A. Brusven

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Effects of watershed alteration on the brook trout population of a small Black Hills stream
Timothy Modde, Henry G. Drewes, and Mark A. Rumble

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Floristic analysis of the southwestern United States
Steven P. McLaughlin

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Utah flora: Apiaceae (Umbelliferae)
Sherel Goodrich

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Quercus (Fagaceae) in the Utah flora
Stanley L. Welsh

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Seasonal phenology and possible migration of the Mourning Cloak butterfly, Nymphalis antiopa (Lepidoptera: Nymphalidae) in California
Arthur M. Shapiro

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Seasonal microhabitat relationships of Blue Grouse in southeastern Idaho
Dean F. Stauffer and Steven R. Peterson

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Fall diet of Blue Grouse in Oregon
John A. Crawford, Walt Van Dyke, S. Mark Meyers, and Thomas F. Haensly

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Status and distribution of California Gull nesting colonies in Wyoming
Scott L. Findholt

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New genus and species of leafhopper in the tribe Tinobregmini (Homoptera: Cicadellidae: Coelidiinae)
M. W. Nielson

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New oriental genus of leafhoppers in the tribe Coelidiini with descriptions of new species (Homoptera: Cicadellidae: Coelidiinae)
M. W. Nielson

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Ecological differences of C₃ and C₄ plant species from central Utah in habitats and mineral composition
C. Morden, Jack D. Brotherson, and Bruce N. Smith

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Response of winterfat (Ceratoides lanata) communities to release from grazing pressure
Lars L. Rasmussen and Jack D. Brotherson

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Isozymes of an autopolyploid shrub, Atriplex canescens (Chenopodiaceae)
E. Durant McArthur, Stewart C. Sanderson, and D. Carl Freeman

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Winter nutritive content of black sagebrush (Artemisia nova) grown in a uniform garden
Barbara Behan and Bruce L. Welch

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Winter food habits of the pine marten in Colorado
Christine C. Gordon

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Foliage age as a factor in food utilization by the western spruce budworm, Choristoneura occidentalis
Elizabeth A. Blake and Michael R. Wagner

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Apple maggot (Rhagoletis pomonella) adaptation for cherries in Utah
Clive D. Jorgensen, Darin B. Allred, and Richard L. Westcott

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New records for Monotropa hypopithys (Ericaceae) from Colorado
William Jennings, Loraine Yeatts, and Velma Richards

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Tree densities on pinyon-juniper woodland sites in Nevada and California
Susan Koniak

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End Matter, Vol. 46 No. 1

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Full Issue, Vol. 46 No. 1