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Creator:: Christy, John A., Kimpo, Angela, Marttala, Vernon, Gaddis, Philip K., and Christy, Nancy L.
Abstract:: Second printing with corrections and additions, December 2009.
Resource Type:: Technical Report
Full Text:: Kimpo, Vernon Marttala, Philip K. Gaddis, Nancy L. Christy Occasional Paper 3 of the Native Plant

Creator:: Kagan, James S., Brunner, Rachel L., and Christy, John A.
Abstract:: This classification is an update of the 2004 classification of native vegetation of Oregon by Kagan, Christy, Murray and Titus. As before, this classification lists the native plant associations known to occur in Oregon, and includes both successional and climax vegetation types that were part of the presettlement landscape of...
Resource Type:: Technical Report
Full Text:: VEGETATION OF OREGON – 2019 James S. Kagan, Rachel L. Brunner, and John A. Christy: Oregon Biodiversity

Creator:: Christy, John A.
Abstract:: Report by Portland State University's Oregon Biodiversity Information Center (ORBIC), part of the Oregon University System's Institute for Natural Resources.
Resource Type:: Technical Report
Full Text:: serriola prickly lettuce 25 19.1 Poa pratensis Kentucky bluegrass 18 13.7 Veronica anagallis-aquatica

Creator:: USDA Forest Service Pacific Northwest Region, McCain, Cindy, Christy, John A., Oregon Natural Heritage Information Center, and Institute for Natural Resources
Abstract:: This field guide combines classifications of common streamside plant communities and native freshwater wetland communities in Northwest Oregon. It is a condensed version of two separate works which are both available on the CD that accompanies this book. The information is also available for reference or to download as a...
Resource Type:: Technical Report

Creator:: Christy, John A., Oregon Natural Heritage Information Center, and Institute for Natural Resources
Abstract:: This guide provides keys, descriptions, and stand tables for 122 native freshwater plant associations (14 forest and woodland, 28 shrub, 78 herbaceous, 2 nonvascular) in northwestern Oregon, based on analysis of data from 1,992 plots distributed throughout the study area. Descriptions are provided for eight other plant associations for which...
Resource Type:: Technical Report
Full Text:: , Jennifer Lippert, Warren Pavlat, Evelyn Everett, L. Rankin, Kim McMahan, Marie Palumbo, Saxton, 1991); Mt

Creator:: Christy, John A.
Abstract:: This report summarizes vegetation data collected in July 2015 in wet meadow and marshy habitats on the Double O Unit of Malheur National Wildlife Refuge (MNWR). Because vegetation sampled at the Double O was wetter and more alkaline than wet meadows sampled at the south end of the refuge in...
Resource Type:: Technical Report
Full Text:: grass 16 19.3 Rumex crispus curly dock 7 8.4 Veronica anagallis-aquatica water speedwell 1 1.2

Creator:: Kagan, James S., Christy, John A., Murray, Michael P., Titus, Jonathan A., Oregon Natural Heritage Information Center, and Institute for Natural Resources
Abstract:: This classification lists the native plant associations known to occur in Oregon, and includes both successional and climax vegetation types that were an important part of the presettlement landscape of Oregon. It serves as an index to the diversity, distribution and relative rarity of the state's native plant associations, and...
Resource Type:: Technical Report

Creator:: Titus, John H., Christy, John A., VanderSchaaf, Dick, Kagan, James S., and Alverson, Edward R.
Abstract:: As part of the Willamette Basin Geographic Initiative Program, the Environmental Protection Agency (EPA) funded The Nature Conservancy of Oregon to inventory, classify, and map native wetland and riparian plant communities and their threatened biota in the Willamette Valley. Between October 1994 and September 1996, we evaluated 172 wetland and...
Resource Type:: Technical Report

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