Bibliography and Citations

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Pocewicz A, Morgan P, Eigenbrode SD.  2009.  Local and landscape effects on butterfly density in northern Idaho grasslands and forests.  Journal of Insect Conservation.  13(6):593–601.  Available from http://www.academia.edu/13060023/Local_and_landscape_effects_on_butterfly_density_in_northern_Idaho_grasslands_and_forests
Pocewicz ALynne.  2006.  Modeling landscape change and evaluating ecological effects of landscape composition and configuration in northern Idaho [dissertation].  Natural Resources.  :144.
Pocewicz A, Copeland H, Kiesecker J.  2011.  Potential impacts of energy development on shrublands in western North America.  Natural Resources and Environmental Issues.  17(1)  Available from http://digitalcommons.usu.edu/nrei/vol17/iss1/14
Poche RM, Ruffner GA.  1975.  Roosting behavior of male Euderma maculatum from Utah.  Great Basin Naturalist.  35(1):121-122.  Available from https://ojs.lib.byu.edu/spc/index.php/wnan/article/view/29752
Poche RM.  1975.  New record of Euderma maculatum from Arizona.  Journal of Mammalogy.  56(4):931-933.
Poff B, Koestner KA, Neary DG, Henderson V.  2011.  Threats to riparian ecosystems in western North America: an analysis of existing literature.  Journal of the American Water Resources Association.  47(6):1241-1254.  Available from http://www.fs.fed.us/rm/pubs_other/rmrs_2011_poff_b001.pdf
Poglayen-Neuwall I., Toweill D.E.  1988.  Bassariscus astutus.  Mammalian Species.  327:1-8.
Pogue MG, Harp CE.  2003.  Revised status of Schinia unimacula Smith including morphological comparisons with Schinia obliqua Smith (Lepidoptera: Noctuidae: Heliothinae).  Zootaxa.  226(1):1-8.  Available from http://www.mapress.com/j/zt/issue/view/zootaxa.226.1
Pogue MG.  2001.  Revised status of Rolandylis Gibeaux (Lepidoptera: Tortricidae: Cochylini), with descriptions of two new species from North America.  Proceedings of the Entomological Society of Washington.  103(4):788-796.  Available from http://biostor.org/reference/57138
Pohl R.W, Mitchell W.W.  1965.  Cytogeography of the rhizomatous American species of Muhlenbergia.  Brittonia.  17:107-112.
Pohl R.W.  1969.  Muhlenbergia, Subgenus Mulhenbergia (Gramineae) in North America.  American Midland Naturalist.  82(2):512-542.
Pohl GR, Patterson B, Pelham JP.  2016.  Annotated taxonomic checklist of the Lepidoptera of North America, North of Mexico.  2020:Checklist.
Polgar CA, Primack RB, Williams EH, Stichter S, Hitchcock C.  2013.  Climate effects on the flight period of Lycaenid butterflies in Massachusetts.  Biological Conservation.  160:25-31.
Polhemus D.A, Polhemus J.T.  1997.  Basins and ranges: the biogeography of aquatic true bugs (Insecta: Heteroptera) in the Great Basin.  
Pollet IL, Shutler D, Chardine J, Ryder JP.  2012.  Ring-billed gull (Larus delawarensis).  Birds of North America Online.  (033)  Available from http://bna.birds.cornell.edu/bna/species/033
Pont AC, Meier R.  2002.  The Sepsidae (Diptera) of Europe. Fauna Entomologica Scandinavica.  37.   Brill.    Available from http://www.brill.com/sepsidae-diptera-europe
Ponzetti J.M, McCune B., Pyke D.A.  2007.  Biotic soil crusts in relation to topography, cheatgrass and fire in the Columbia Basin, Washington.  Bryologist.  110(4):706-722.
Ponzetti J., McCune B..  2000.  Biotic soil crusts of the Columbia River Basin: Landscape level variation in community composition.  American Journal of Botany.  87:13.
Ponzetti J.M, McCune B..  2001.  Biotic soil crusts of Oregon's shrub steppe: community composition in relation to soil chemistry, climate, and livestock activity.  Bryologist.  104(2):212-225.
Pool R.J.  1941.  Flowers and flowering plants. Second Edition.  
Poole RW.  1987.  A taxonomic revision of the New World moth genus Pero (Lepidoptera: Geometridae). Technical Bulletin; no. 1698.  [Washington (DC]): USDA Agricultural Research Service.    Available from http://naldc.nal.usda.gov/naldc/catalog.xhtml?id=CAT89231793&start=0&searchText=A+taxonomic+revision+of+the+New+World+moth+genus+Pero+%28Lepidoptera%3A+Geometridae%29&searchField=&sortField=
Poole J., Riskind D..  1988.  Living on the edge.  Texas Parks and Wildlife.  46(6):2-11.
Poole AF, Bierregaard RO, Martell MS.  2002.  Osprey (Pandion haliaetus).  Birds of North America Online.  (683)  Available from http://bna.birds.cornell.edu/bna/species/683/
Poole E.L.  1930.  Winter nesting of the barn owl.  Auk.  47:84.
Poole J.M.  1992.  Results of field surveys for Allotropa virgata on the Beaverhead and Deerlodge National Forests.