Bibliography and Citations

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Popovich S.J.  1993.  Effects upon Castilleja chlorotica from a tree felling/skidding and post-sale site preparation, a preliminary report.  
Popovich S.J.  1994.  Noteworthy collections: Sporobolus asper.  Madrono.  41:149-150.
Popovich S..  1994.  List of new Astragalus oniciformis sites, 1993-1994.  
Popovich SJ.  2009.  Review of Lepidium papilliferum (slickspot peppergrass) Inside Desert 2000-2002 survey data analyses.    Available from http://www.regulations.gov/#!documentDetail;D=FWS-R1-ES-2008-0096-0034
Popovich S..  1994.  Field Survey for Astragalus oniciformis along the eastern edge of the Great Rift lava fields.  
Popovich S..  1994.  Astragalus oniciformis: Study site and methodology information.  
Popper K.J, Pelren E.C, Crawford J.A.  1996.  Summer nocturnal roost sites of blue grouse in northeastern Oregon.  Great Basin Naturalist.  56:177-179.
Porcher, Jr. R.D.  1974.  Some notes and distribution records for Orchidaceae from the South Carolina coastal plain.  Journal of the Elisha Mitchell Scientific Society.  90(2):73-74.
Porcher, Jr. R.D.  1973.  Additions to the recorded distributions of Orchidaceae from the South Carolina coastal plain.  Bulletin of the South Carolina Academy of Science.  35:123.
Porcher, Jr. R.D.  1972.  New county records for Orchidaceae from the South Carolina coastal plain.  Journal of Elisha Mitchell Scientific Society.  88(4):218-219.
Porley RD, Blockeel TL.  1999.  New national and regional bryophyte records, 1.  Journal of Bryology.  21:161-162.
Porsild A.E.  1938.  The cranberry in Canada.  Canadian Field-Naturalist.  52:116-117.
Porsild A.E.  1939.  Nymphaea tetragona Georgi in Canada.   The Canadian Field-Naturalist.  53:48-50.
Porter C.L.  1964.  A flora of Wyoming. Part 3.  
Porter C.L.  1963.  A flora of Wyoming. Part 2.  
Porter C.L.  1956.  The genus Peteria (Leguminosae).  Rhodora.  58:344-354.
Porter C.L.  1962.  A flora of Wyoming, part 1.  
Porter C.L.  1967.  Taxonomy of flowering plants. Edition Second.  San Francisco (California): W. H. Freeman and Co..  
Porter SD, Jorgensen CD.  1988.  Longevity of harvester ant colonies in southern Idaho.  Journal of Range Management.  41(2):104-107.  Available from http://www.jstor.org/stable/3898942
Porter C.L.  1967.  A flora of Wyoming. Part 5.  
Porter J.M, Johnson L.A.  2000.  A phylogenetic classification of Polemonianceae.  Aliso.  19(1):55-91.
Porter C.L.  1965.  A flora of Wyoming. Part 4.  
Ports MA.  2004.  Biogeographic and taxonomic relationships among the mountain snails (Gastropoda: Oreohelicidae) of the central Great Basin.  Western North American Naturalist.  64(2):145–154.  Available from https://ojs.lib.byu.edu/spc/index.php/wnan/article/view/27856
Ports M.A, Bradley P.V.  1994.  Zoogeography and habitat affinities of bats from northeastern Nevada.  
Ports M.A, George S.B.  1990.  Sorex preblei in the Northern Great Basin.  Great Basin Naturalist.  50(1):93-95.