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Author Title [ Type(Desc)] Year
Filters: Author is John A. Christy  [Clear All Filters]
Book Chapter
Christy JA.  2012.  Habitat Changes in the Region, 1850-2010. Biodiversity Guide for the Greater Portland-Vancouver Region. :17-21.
Christy JA.  2002.  Historic vegetation of the Tualatin River Basin.. Exploring the Tualatin River Basin: a Nature and Recreation Guide.. :144.
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Christy JA.  2014.  Limbella and Platylomella. Flora of North America. 28:317-319.
Journal Article
Christy JA, McCain CN, Greene SE, Lippert J.D..  2014.  Fire effects in a montane wetland, central Cascade Range, Oregon. Madroño. 61:201-217.
Christy JA, Alverson ER.  2011.  Historical Vegetation of the Willamette Valley, Oregon, circa 1850. Northwest Science. 85(2):93-107.
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Christy JA, Alverson ER, Thomas D.W..  2015.  Huperzia miyoshiana (Makino) Ching new to Oregon, U.S.A.. American Fern Journal. 105:56-58.
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Peck JLE, Christy JA.  2006.  Putting the stewardship concept into practice: Commercial moss harvest in Northwestern Oregon, USA. Forest Ecology and Management. 225(1-3):225-233.
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Report
Christy JA, Wagner DH, Kofranek D.  2019.  Checklist of Mosses of Oregon, 2019. Institute for Natural Resources, Portland, Oregon. :39.
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Kagan JS, Christy JA, Murray MP, Titus JA.  2004.  Classification of Native Vegetation of Oregon.
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Christy JA, Garvey M.  2015.  Existing vegetation and site observations at Killin Wetland, Washington County, Oregon. Oregon Biodiversity Information Center Report.
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McCain CN, Christy JA.  2005.  Field Guide to Riparian Plant Communities in Northwestern Oregon.
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Adamus PR, Christy JA, Jones A., McCune M, Bauer J..  2010.  A Geodatabase and Digital Characterization of Wetlands Mapped in the Willamette Valley With Particular Reference to Prediction of Their Hydrogeomorphic (HGM) Class. :14+GISappendices.
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Christy JA, Gaddis PK.  2015.  Historical and existing vascular and bryophyte flora, former Blue Heron Paper Mill, Willamette Falls, Oregon City, Oregon. Oregon Biodiversity Information Center Report.
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O. Hickman E, Christy JA.  2011.  Historical vegetation of central southwest Oregon, based on GLO survey notes : final report to USDI Bureau of Land Management, Medford District.
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O. Hickman E, Christy JA.  2014.  Historical vegetation of the Tiller area, Douglas County, Oregon, based on GLO survey notes.. Report to Douglas County Commissioners, Roseburg, Oregon.. :80.
Christy JA.  2015.  History, Current Conditions, and Wetland Restoration at Killin Wetlands Natural Area, Washington County, Oregon. INR Report.
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Christy JA.  2004.  Native Freshwater Wetland Plant Associations of Northwestern Oregon.
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Brophy LS, Cornu C.E., Adamus PR, Christy JA, Doumbia J.A., Tully R.L..  2011.  New tools for tidal wetland restoration: development of a reference conditions database and a temperature sensor method for detecting tidal inundation in least-disturbed tidal wetlands of Oregon, USA.. :199.
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Christy JA.  2012.  Rare Plant Associations, Oregon Dunes National Recreation Area, Sutton Recreation Area, and Heceta Sand Dunes ACEC/ONA.
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Christy JA.  2005.  Sphagnum Fens on the Oregon Coast: Diminishing Habitat and Need for Management. :38.
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Christy JA, Kimpo A, Marttala V, Gaddis PK, Christy NL.  2009.  Urbanizing Flora of Portland, Oregon, 1806-2008.. :1-319.
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Brophy LS, Cornu C.E., Adamus PR, Christy JA, Doumbia J.A., Tully R.L..  2011.  User’s guide to the temperature sensor method for determining tidal inundation regime..
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Christy JA.  2016.  Wet meadow plant associations, Double O Unit, Malheur National Wildlife Refuge, Harney County, Oregon. Oregon Biodiversity Information Center Report.
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Christy JA.  2013.  Wet Meadow Plant Associations, Malheur National Wildlife Refuge, Harney County, Oregon. :73.
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Christy JA.  2014.  Wet meadow plant associations, Malheur National Wildlife Refuge, Harney County, Oregon [Year 2 report].. Report to U.S. Fish and Wildlife Service. :59.