Found 8 results
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Filters: Author is John A. Christy and First Letter Of Title is H  [Clear All Filters]
2015
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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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, 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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2014
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.
2012
Christy JA.  2012.  Habitat Changes in the Region, 1850-2010. Biodiversity Guide for the Greater Portland-Vancouver Region. :17-21.
2011
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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Christy JA, Alverson ER.  2011.  Historical Vegetation of the Willamette Valley, Oregon, circa 1850. Northwest Science. 85(2):93-107.
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2002
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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