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One of the Oregon Biodiversity Information Center's main tasks is to list and rank rare, threatened, and endangered species in Oregon. Using our biodiversity
database of species occurrences throughout the state and by consulting with agencies, specialists, academics, and citizen scientists, ORBIC reviews and publishes this list every two to three
years.
Species ranks are important for natural resource management, prioritization of restoration or conservation efforts, and to highlight species that need more
research or protection. The ranks that ORBIC produces are shared internationally through the NatureServe network
of natural heritage programs and conservation centers, allowing information to be shared among several countries in the western hemisphere.
Definitions of ranks, lists, and abbreviations used in the RTE publications can be found on the RTE Definitions page.
Rare, Threatened, and Endangered Species of Oregon Publications
Versions of our Rare, Threatened, and Endangered Species publication that are available as PDF format are listed below with links to those documents. Paper copies of older editions of the book may be available.
Rare, Threatened and Endangered
Species of Oregon. October 2010, 109 pp.
Available online: (pdf 1.6
mb).
The 2010 edition of the RTE book is available for printing from Odin Ink, an on-demand printing company. Printed books are $7.25, plus shipping and handling, through Odin Ink.
To order a printed copy of the 2010 RTE book, you can call Odin Ink at 503-226-2631 x230 to place your order, or
order online.
If you call, they have a copy of our PDF so you will only
need to tell them the title, "Rare, Threatened and Endangered Species of Oregon, October 2010 edition".
If you are in Portland, you can also visit Odin Ink at the Portland State University Bookstore in the urban plaza at SW 4th and SW Hall (1715 SW 5th Avenue Portland, OR 97201). They can print
a copy in the bookstore in a few minutes.
Rare, Threatened and Endangered
Species of Oregon. March 2007, 100 pp.
Available online: (pdf 1.34
mb).
Rare, Threatened and Endangered
Species of Oregon. May 2004, 105 pp. Available online: (pdf 1.32
mb).
Rare, Threatened and Endangered
Plants and Animals of Oregon. February 2001, 92 pp. Available online: (pdf 389
kb).
Species Lists in Spreadsheet Format
These spreadsheets contain the same information in the RTE publication, but in an easily sortable format. Files
are Microsoft Office and Open Office compatible.
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